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 * ====================================================================
57 #include <openssl/crypto.h>
58 #include <openssl/buffer.h>
59 #include <openssl/bn.h>
61 #ifdef OPENSSL_SYS_WIN32
62 # ifndef OPENSSL_NO_CAPIENG
64 # include <openssl/rsa.h>
69 # define _WIN32_WINNT 0x0400
72 # include <wincrypt.h>
74 # undef X509_EXTENSIONS
75 # undef X509_CERT_PAIR
77 /* Definitions which may be missing from earlier version of headers */
78 # ifndef CERT_STORE_OPEN_EXISTING_FLAG
79 # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
82 # ifndef CERT_STORE_CREATE_NEW_FLAG
83 # define CERT_STORE_CREATE_NEW_FLAG 0x00002000
86 # ifndef CERT_SYSTEM_STORE_CURRENT_USER
87 # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
90 # include <openssl/engine.h>
91 # include <openssl/pem.h>
92 # include <openssl/x509v3.h>
94 # include "e_capi_err.h"
95 # include "e_capi_err.c"
97 static const char *engine_capi_id = "capi";
98 static const char *engine_capi_name = "CryptoAPI ENGINE";
100 typedef struct CAPI_CTX_st CAPI_CTX;
101 typedef struct CAPI_KEY_st CAPI_KEY;
103 static void capi_addlasterror(void);
104 static void capi_adderror(DWORD err);
106 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
108 static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
109 static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
110 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
111 void capi_free_key(CAPI_KEY * key);
113 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
116 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
118 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
119 UI_METHOD *ui_method, void *callback_data);
120 static int capi_rsa_sign(int dtype, const unsigned char *m,
121 unsigned int m_len, unsigned char *sigret,
122 unsigned int *siglen, const RSA *rsa);
123 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
124 unsigned char *to, RSA *rsa, int padding);
125 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
126 unsigned char *to, RSA *rsa, int padding);
127 static int capi_rsa_free(RSA *rsa);
129 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
131 static int capi_dsa_free(DSA *dsa);
133 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
134 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
135 EVP_PKEY **pkey, STACK_OF(X509) **pother,
136 UI_METHOD *ui_method,
137 void *callback_data);
139 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
140 # ifdef OPENSSL_CAPIENG_DIALOG
141 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
144 typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
145 LPCWSTR, DWORD, DWORD, void *);
146 typedef HWND(WINAPI *GETCONSWIN) (void);
149 * This structure contains CAPI ENGINE specific data: it contains various
150 * global options and affects how other functions behave.
153 # define CAPI_DBG_TRACE 2
154 # define CAPI_DBG_ERROR 1
159 /* Parameters to use for container lookup */
163 /* Certificate store name to use */
165 LPSTR ssl_client_store;
166 /* System store flags */
168 /* Lookup string meanings in load_private_key */
169 /* Substring of subject: uses "storename" */
170 # define CAPI_LU_SUBSTR 1
171 /* Friendly name: uses storename */
172 # define CAPI_LU_FNAME 2
173 /* Container name: uses cspname, keytype */
174 # define CAPI_LU_CONTNAME 3
176 /* Info to dump with dumpcerts option */
177 /* Issuer and serial name strings */
178 # define CAPI_DMP_SUMMARY 0x1
180 # define CAPI_DMP_FNAME 0x2
181 /* Full X509_print dump */
182 # define CAPI_DMP_FULL 0x4
183 /* Dump PEM format certificate */
184 # define CAPI_DMP_PEM 0x8
185 /* Dump pseudo key (if possible) */
186 # define CAPI_DMP_PSKEY 0x10
187 /* Dump key info (if possible) */
188 # define CAPI_DMP_PKEYINFO 0x20
190 int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
191 CERTDLG certselectdlg;
192 GETCONSWIN getconswindow;
195 static CAPI_CTX *capi_ctx_new();
196 static void capi_ctx_free(CAPI_CTX * ctx);
197 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
199 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
201 # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
202 # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
203 # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
204 # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
205 # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
206 # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
207 # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
208 # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
209 # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
210 # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
211 # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
212 # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
213 # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
214 # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
216 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
217 {CAPI_CMD_LIST_CERTS,
219 "List all certificates in store",
220 ENGINE_CMD_FLAG_NO_INPUT},
221 {CAPI_CMD_LOOKUP_CERT,
223 "Lookup and output certificates",
224 ENGINE_CMD_FLAG_STRING},
225 {CAPI_CMD_DEBUG_LEVEL,
227 "debug level (1=errors, 2=trace)",
228 ENGINE_CMD_FLAG_NUMERIC},
229 {CAPI_CMD_DEBUG_FILE,
231 "debugging filename)",
232 ENGINE_CMD_FLAG_STRING},
235 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
236 ENGINE_CMD_FLAG_NUMERIC},
240 ENGINE_CMD_FLAG_NO_INPUT},
241 {CAPI_CMD_SET_CSP_IDX,
244 ENGINE_CMD_FLAG_NUMERIC},
245 {CAPI_CMD_SET_CSP_NAME,
247 "Set CSP name, (default CSP used if not specified)",
248 ENGINE_CMD_FLAG_STRING},
249 {CAPI_CMD_SET_CSP_TYPE,
251 "Set CSP type, (default RSA_PROV_FULL)",
252 ENGINE_CMD_FLAG_NUMERIC},
253 {CAPI_CMD_LIST_CONTAINERS,
255 "list container names",
256 ENGINE_CMD_FLAG_NO_INPUT},
257 {CAPI_CMD_LIST_OPTIONS,
259 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
260 "32=private key info)",
261 ENGINE_CMD_FLAG_NUMERIC},
262 {CAPI_CMD_LOOKUP_METHOD,
264 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
265 ENGINE_CMD_FLAG_NUMERIC},
266 {CAPI_CMD_STORE_NAME,
268 "certificate store name, default \"MY\"",
269 ENGINE_CMD_FLAG_STRING},
270 {CAPI_CMD_STORE_FLAGS,
272 "Certificate store flags: 1 = system store",
273 ENGINE_CMD_FLAG_NUMERIC},
278 static int capi_idx = -1;
279 static int rsa_capi_idx = -1;
280 static int dsa_capi_idx = -1;
281 static int cert_capi_idx = -1;
283 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
288 if (capi_idx == -1) {
289 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
292 ctx = ENGINE_get_ex_data(e, capi_idx);
293 out = BIO_new_fp(stdout, BIO_NOCLOSE);
295 case CAPI_CMD_LIST_CSPS:
296 ret = capi_list_providers(ctx, out);
299 case CAPI_CMD_LIST_CERTS:
300 ret = capi_list_certs(ctx, out, NULL);
303 case CAPI_CMD_LOOKUP_CERT:
304 ret = capi_list_certs(ctx, out, p);
307 case CAPI_CMD_LIST_CONTAINERS:
308 ret = capi_list_containers(ctx, out);
311 case CAPI_CMD_STORE_NAME:
313 OPENSSL_free(ctx->storename);
314 ctx->storename = BUF_strdup(p);
315 CAPI_trace(ctx, "Setting store name to %s\n", p);
318 case CAPI_CMD_STORE_FLAGS:
320 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
321 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
323 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
324 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
326 CAPI_trace(ctx, "Setting flags to %d\n", i);
329 case CAPI_CMD_DEBUG_LEVEL:
330 ctx->debug_level = (int)i;
331 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
334 case CAPI_CMD_DEBUG_FILE:
335 ctx->debug_file = BUF_strdup(p);
336 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
339 case CAPI_CMD_KEYTYPE:
341 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
344 case CAPI_CMD_SET_CSP_IDX:
345 ret = capi_ctx_set_provname_idx(ctx, i);
348 case CAPI_CMD_LIST_OPTIONS:
352 case CAPI_CMD_LOOKUP_METHOD:
353 if (i < 1 || i > 3) {
354 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
357 ctx->lookup_method = i;
360 case CAPI_CMD_SET_CSP_NAME:
361 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
364 case CAPI_CMD_SET_CSP_TYPE:
369 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
378 static RSA_METHOD capi_rsa_method = {
379 "CryptoAPI RSA method",
382 capi_rsa_priv_enc, /* priv_enc */
383 capi_rsa_priv_dec, /* priv_dec */
387 capi_rsa_free, /* finish */
388 RSA_FLAG_SIGN_VER, /* flags */
390 capi_rsa_sign, /* rsa_sign */
394 static DSA_METHOD capi_dsa_method = {
395 "CryptoAPI DSA method",
396 capi_dsa_do_sign, /* dsa_do_sign */
397 0, /* dsa_sign_setup */
398 0, /* dsa_do_verify */
402 capi_dsa_free, /* finish */
405 0, /* dsa_paramgen */
409 static int capi_init(ENGINE *e)
412 const RSA_METHOD *ossl_rsa_meth;
413 const DSA_METHOD *ossl_dsa_meth;
416 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
420 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
422 /* Setup RSA_METHOD */
423 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
424 ossl_rsa_meth = RSA_PKCS1_SSLeay();
425 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
426 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
427 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
428 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
430 /* Setup DSA Method */
431 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
432 ossl_dsa_meth = DSA_OpenSSL();
433 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
434 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
435 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
438 ctx = capi_ctx_new();
442 ENGINE_set_ex_data(e, capi_idx, ctx);
444 # ifdef OPENSSL_CAPIENG_DIALOG
446 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
447 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
450 (CERTDLG) GetProcAddress(cryptui,
451 "CryptUIDlgSelectCertificateFromStore");
454 (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
455 if (cryptui && !OPENSSL_isservice())
456 ctx->client_cert_select = cert_select_dialog;
463 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
469 static int capi_destroy(ENGINE *e)
471 ERR_unload_CAPI_strings();
475 static int capi_finish(ENGINE *e)
478 ctx = ENGINE_get_ex_data(e, capi_idx);
480 ENGINE_set_ex_data(e, capi_idx, NULL);
485 * CryptoAPI key application data. This contains a handle to the private key
486 * container (for sign operations) and a handle to the key (for decrypt
491 /* Associated certificate context (if any) */
492 PCCERT_CONTEXT pcert;
498 static int bind_capi(ENGINE *e)
500 if (!ENGINE_set_id(e, engine_capi_id)
501 || !ENGINE_set_name(e, engine_capi_name)
502 || !ENGINE_set_init_function(e, capi_init)
503 || !ENGINE_set_finish_function(e, capi_finish)
504 || !ENGINE_set_destroy_function(e, capi_destroy)
505 || !ENGINE_set_RSA(e, &capi_rsa_method)
506 || !ENGINE_set_DSA(e, &capi_dsa_method)
507 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
508 || !ENGINE_set_load_ssl_client_cert_function(e,
509 capi_load_ssl_client_cert)
510 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
511 || !ENGINE_set_ctrl_function(e, capi_ctrl))
513 ERR_load_CAPI_strings();
519 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
520 static int bind_helper(ENGINE *e, const char *id)
522 if (id && (strcmp(id, engine_capi_id) != 0))
529 IMPLEMENT_DYNAMIC_CHECK_FN()
530 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
532 static ENGINE *engine_capi(void)
534 ENGINE *ret = ENGINE_new();
537 if (!bind_capi(ret)) {
544 void ENGINE_load_capi(void)
546 /* Copied from eng_[openssl|dyn].c */
547 ENGINE *toadd = engine_capi();
556 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
560 * Reverse buffer in place: since this is a keyblob structure that will
561 * be freed up after conversion anyway it doesn't matter if we change
564 for (i = 0; i < binlen / 2; i++) {
567 bin[i] = bin[binlen - i - 1];
568 bin[binlen - i - 1] = c;
571 if (!BN_bin2bn(bin, binlen, bn))
576 /* Given a CAPI_KEY get an EVP_PKEY structure */
578 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
580 unsigned char *pubkey = NULL;
585 EVP_PKEY *ret = NULL;
586 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
587 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
592 pubkey = OPENSSL_malloc(len);
597 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
598 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
603 bh = (BLOBHEADER *) pubkey;
604 if (bh->bType != PUBLICKEYBLOB) {
605 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
608 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
611 unsigned char *rsa_modulus;
612 rp = (RSAPUBKEY *) (bh + 1);
613 if (rp->magic != 0x31415352) {
615 BIO_snprintf(magstr, 10, "%lx", rp->magic);
616 CAPIerr(CAPI_F_CAPI_GET_PKEY,
617 CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
618 ERR_add_error_data(2, "magic=0x", magstr);
621 rsa_modulus = (unsigned char *)(rp + 1);
622 rkey = RSA_new_method(eng);
629 if (!rkey->e || !rkey->n)
632 if (!BN_set_word(rkey->e, rp->pubexp))
635 rsa_modlen = rp->bitlen / 8;
636 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
639 RSA_set_ex_data(rkey, rsa_capi_idx, key);
641 if (!(ret = EVP_PKEY_new()))
644 EVP_PKEY_assign_RSA(ret, rkey);
647 } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
651 dp = (DSSPUBKEY *) (bh + 1);
652 if (dp->magic != 0x31535344) {
654 BIO_snprintf(magstr, 10, "%lx", dp->magic);
655 CAPIerr(CAPI_F_CAPI_GET_PKEY,
656 CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
657 ERR_add_error_data(2, "magic=0x", magstr);
660 dsa_plen = dp->bitlen / 8;
661 btmp = (unsigned char *)(dp + 1);
662 dkey = DSA_new_method(eng);
668 dkey->pub_key = BN_new();
669 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
671 if (!lend_tobn(dkey->p, btmp, dsa_plen))
674 if (!lend_tobn(dkey->q, btmp, 20))
677 if (!lend_tobn(dkey->g, btmp, dsa_plen))
680 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
684 DSA_set_ex_data(dkey, dsa_capi_idx, key);
686 if (!(ret = EVP_PKEY_new()))
689 EVP_PKEY_assign_DSA(ret, dkey);
693 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
694 CAPIerr(CAPI_F_CAPI_GET_PKEY,
695 CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
696 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
702 OPENSSL_free(pubkey);
713 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
718 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
719 UI_METHOD *ui_method, void *callback_data)
724 ctx = ENGINE_get_ex_data(eng, capi_idx);
727 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
731 key = capi_find_key(ctx, key_id);
736 ret = capi_get_pkey(eng, key);
744 /* CryptoAPI RSA operations */
746 int capi_rsa_priv_enc(int flen, const unsigned char *from,
747 unsigned char *to, RSA *rsa, int padding)
749 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
753 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
754 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
764 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
766 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
768 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
770 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
773 /* Convert the signature type to a CryptoAPI algorithm ID */
784 alg = CALG_SSL3_SHAMD5;
789 BIO_snprintf(algstr, 10, "%lx", dtype);
790 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
791 ERR_add_error_data(2, "NID=0x", algstr);
796 /* Create the hash object */
797 if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
798 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
802 /* Set the hash value to the value passed */
804 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
805 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
810 /* Finally sign it */
811 slen = RSA_size(rsa);
812 if (!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
813 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
818 /* Inplace byte reversal of signature */
819 for (i = 0; i < slen / 2; i++) {
822 sigret[i] = sigret[slen - i - 1];
823 sigret[slen - i - 1] = c;
831 CryptDestroyHash(hash);
836 int capi_rsa_priv_dec(int flen, const unsigned char *from,
837 unsigned char *to, RSA *rsa, int padding)
840 unsigned char *tmpbuf;
843 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
845 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
847 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
849 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
853 if (padding != RSA_PKCS1_PADDING) {
855 BIO_snprintf(errstr, 10, "%d", padding);
856 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
857 ERR_add_error_data(2, "padding=", errstr);
861 /* Create temp reverse order version of input */
862 if (!(tmpbuf = OPENSSL_malloc(flen))) {
863 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
866 for (i = 0; i < flen; i++)
867 tmpbuf[flen - i - 1] = from[i];
869 /* Finally decrypt it */
870 if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) {
871 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
873 OPENSSL_free(tmpbuf);
876 memcpy(to, tmpbuf, flen);
878 OPENSSL_free(tmpbuf);
883 static int capi_rsa_free(RSA *rsa)
886 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
887 capi_free_key(capi_key);
888 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
892 /* CryptoAPI DSA operations */
894 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
902 unsigned char csigbuf[40];
904 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
906 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
908 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
911 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
916 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
920 /* Create the hash object */
921 if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
922 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
927 /* Set the hash value to the value passed */
928 if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
929 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
934 /* Finally sign it */
935 slen = sizeof(csigbuf);
936 if (!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
937 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
946 if (!ret->r || !ret->s)
948 if (!lend_tobn(ret->r, csigbuf, 20)
949 || !lend_tobn(ret->s, csigbuf + 20, 20)) {
959 OPENSSL_cleanse(csigbuf, 40);
960 CryptDestroyHash(hash);
964 static int capi_dsa_free(DSA *dsa)
967 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
968 capi_free_key(capi_key);
969 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
973 static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
978 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
980 out = BIO_new_file(ctx->debug_file, "a+");
981 BIO_vprintf(out, format, argptr);
985 static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
988 va_start(args, format);
989 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
993 static void capi_addlasterror(void)
995 capi_adderror(GetLastError());
998 static void capi_adderror(DWORD err)
1001 BIO_snprintf(errstr, 10, "%lX", err);
1002 ERR_add_error_data(2, "Error code= 0x", errstr);
1005 static char *wide_to_asc(LPWSTR wstr)
1012 len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
1013 sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
1015 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1018 str = OPENSSL_malloc(sz);
1020 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1023 if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
1025 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1031 static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
1036 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1037 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len)) {
1038 err = GetLastError();
1039 if (err == ERROR_NO_MORE_ITEMS)
1041 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1045 name = OPENSSL_malloc(len);
1046 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len)) {
1047 err = GetLastError();
1048 if (err == ERROR_NO_MORE_ITEMS)
1050 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1055 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name,
1061 static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
1065 LPSTR provname = NULL;
1066 CAPI_trace(ctx, "capi_list_providers\n");
1067 BIO_printf(out, "Available CSPs:\n");
1068 for (idx = 0;; idx++) {
1069 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1074 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1075 OPENSSL_free(provname);
1080 static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
1084 DWORD err, idx, flags, buflen = 0, clen;
1086 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
1088 if (!CryptAcquireContextA
1089 (&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
1090 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
1091 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1092 capi_addlasterror();
1095 if (!CryptGetProvParam
1096 (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
1097 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1098 capi_addlasterror();
1099 CryptReleaseContext(hprov, 0);
1102 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1105 cname = OPENSSL_malloc(buflen);
1107 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1111 for (idx = 0;; idx++) {
1116 flags = CRYPT_FIRST;
1119 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags)) {
1120 err = GetLastError();
1121 if (err == ERROR_NO_MORE_ITEMS)
1123 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1127 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
1128 cname, clen, idx, flags);
1129 if (!cname[0] && (clen == buflen)) {
1130 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1133 BIO_printf(out, "%d. %s\n", idx, cname);
1141 OPENSSL_free(cname);
1142 CryptReleaseContext(hprov, 0);
1147 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1150 CRYPT_KEY_PROV_INFO *pinfo;
1152 if (!CertGetCertificateContextProperty
1153 (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1155 pinfo = OPENSSL_malloc(len);
1157 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1160 if (!CertGetCertificateContextProperty
1161 (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
1162 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
1163 CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1164 capi_addlasterror();
1165 OPENSSL_free(pinfo);
1171 static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
1172 CRYPT_KEY_PROV_INFO * pinfo)
1174 char *provname = NULL, *contname = NULL;
1176 BIO_printf(out, " No Private Key\n");
1179 provname = wide_to_asc(pinfo->pwszProvName);
1180 contname = wide_to_asc(pinfo->pwszContainerName);
1181 if (!provname || !contname)
1184 BIO_printf(out, " Private Key Info:\n");
1185 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname,
1187 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname,
1191 OPENSSL_free(provname);
1193 OPENSSL_free(contname);
1196 char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1201 CAPI_trace(ctx, "capi_cert_get_fname\n");
1202 if (!CertGetCertificateContextProperty
1203 (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1205 wfname = OPENSSL_malloc(dlen);
1206 if (CertGetCertificateContextProperty
1207 (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
1208 char *fname = wide_to_asc(wfname);
1209 OPENSSL_free(wfname);
1212 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1213 capi_addlasterror();
1215 OPENSSL_free(wfname);
1219 void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
1223 unsigned long flags = ctx->dump_flags;
1224 if (flags & CAPI_DMP_FNAME) {
1226 fname = capi_cert_get_fname(ctx, cert);
1228 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1229 OPENSSL_free(fname);
1231 BIO_printf(out, " <No Friendly Name>\n");
1234 p = cert->pbCertEncoded;
1235 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1237 BIO_printf(out, " <Can't parse certificate>\n");
1238 if (flags & CAPI_DMP_SUMMARY) {
1239 BIO_printf(out, " Subject: ");
1240 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1241 BIO_printf(out, "\n Issuer: ");
1242 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1243 BIO_printf(out, "\n");
1245 if (flags & CAPI_DMP_FULL)
1246 X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
1248 if (flags & CAPI_DMP_PKEYINFO) {
1249 CRYPT_KEY_PROV_INFO *pinfo;
1250 pinfo = capi_get_prov_info(ctx, cert);
1251 capi_dump_prov_info(ctx, out, pinfo);
1253 OPENSSL_free(pinfo);
1256 if (flags & CAPI_DMP_PEM)
1257 PEM_write_bio_X509(out, x);
1261 HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
1266 storename = ctx->storename;
1269 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1271 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1272 ctx->store_flags, storename);
1274 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1275 capi_addlasterror();
1280 int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
1286 PCCERT_CONTEXT cert = NULL;
1288 storename = ctx->storename;
1291 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1293 hstore = capi_open_store(ctx, storename);
1297 cert = capi_find_cert(ctx, id, hstore);
1302 capi_dump_cert(ctx, out, cert);
1303 CertFreeCertificateContext(cert);
1305 for (idx = 0;; idx++) {
1306 LPWSTR fname = NULL;
1307 cert = CertEnumCertificatesInStore(hstore, cert);
1310 BIO_printf(out, "Certificate %d\n", idx);
1311 capi_dump_cert(ctx, out, cert);
1315 CertCloseStore(hstore, 0);
1319 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
1322 PCCERT_CONTEXT cert = NULL;
1325 switch (ctx->lookup_method) {
1326 case CAPI_LU_SUBSTR:
1327 return CertFindCertificateInStore(hstore,
1328 X509_ASN_ENCODING, 0,
1329 CERT_FIND_SUBJECT_STR_A, id, NULL);
1332 cert = CertEnumCertificatesInStore(hstore, cert);
1335 fname = capi_cert_get_fname(ctx, cert);
1337 if (strcmp(fname, id))
1341 OPENSSL_free(fname);
1351 static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const char *contname,
1352 char *provname, DWORD ptype, DWORD keyspec)
1356 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1357 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1358 contname, provname, ptype);
1359 if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1360 dwFlags = CRYPT_MACHINE_KEYSET;
1361 if (!CryptAcquireContextA
1362 (&key->hprov, contname, provname, ptype, dwFlags)) {
1363 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1364 capi_addlasterror();
1367 if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
1368 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1369 capi_addlasterror();
1370 CryptReleaseContext(key->hprov, 0);
1373 key->keyspec = keyspec;
1382 static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
1384 CAPI_KEY *key = NULL;
1385 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1386 char *provname = NULL, *contname = NULL;
1387 pinfo = capi_get_prov_info(ctx, cert);
1390 provname = wide_to_asc(pinfo->pwszProvName);
1391 contname = wide_to_asc(pinfo->pwszContainerName);
1392 if (!provname || !contname)
1394 key = capi_get_key(ctx, contname, provname,
1395 pinfo->dwProvType, pinfo->dwKeySpec);
1399 OPENSSL_free(pinfo);
1401 OPENSSL_free(provname);
1403 OPENSSL_free(contname);
1407 CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
1409 PCCERT_CONTEXT cert;
1411 CAPI_KEY *key = NULL;
1412 switch (ctx->lookup_method) {
1413 case CAPI_LU_SUBSTR:
1415 hstore = capi_open_store(ctx, NULL);
1418 cert = capi_find_cert(ctx, id, hstore);
1420 key = capi_get_cert_key(ctx, cert);
1421 CertFreeCertificateContext(cert);
1423 CertCloseStore(hstore, 0);
1426 case CAPI_LU_CONTNAME:
1427 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1434 void capi_free_key(CAPI_KEY * key)
1438 CryptDestroyKey(key->key);
1439 CryptReleaseContext(key->hprov, 0);
1441 CertFreeCertificateContext(key->pcert);
1445 /* Initialize a CAPI_CTX structure */
1447 static CAPI_CTX *capi_ctx_new()
1450 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1452 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1455 ctx->cspname = NULL;
1456 ctx->csptype = PROV_RSA_FULL;
1457 ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
1458 ctx->keytype = AT_KEYEXCHANGE;
1459 ctx->storename = NULL;
1460 ctx->ssl_client_store = NULL;
1461 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1462 CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
1463 ctx->lookup_method = CAPI_LU_SUBSTR;
1464 ctx->debug_level = 0;
1465 ctx->debug_file = NULL;
1466 ctx->client_cert_select = cert_select_simple;
1470 static void capi_ctx_free(CAPI_CTX * ctx)
1472 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1476 OPENSSL_free(ctx->cspname);
1477 if (ctx->debug_file)
1478 OPENSSL_free(ctx->debug_file);
1480 OPENSSL_free(ctx->storename);
1481 if (ctx->ssl_client_store)
1482 OPENSSL_free(ctx->ssl_client_store);
1486 static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
1489 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1492 if (!CryptAcquireContextA(&hprov, NULL, pname, type,
1493 CRYPT_VERIFYCONTEXT)) {
1494 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
1495 CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1496 capi_addlasterror();
1499 CryptReleaseContext(hprov, 0);
1502 OPENSSL_free(ctx->cspname);
1503 ctx->cspname = BUF_strdup(pname);
1504 ctx->csptype = type;
1508 static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
1513 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1515 res = capi_ctx_set_provname(ctx, pname, type, 0);
1516 OPENSSL_free(pname);
1520 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1524 /* Special case: empty list: match anything */
1525 if (sk_X509_NAME_num(ca_dn) <= 0)
1527 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
1528 nm = sk_X509_NAME_value(ca_dn, i);
1529 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1535 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1536 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
1537 EVP_PKEY **pkey, STACK_OF(X509) **pother,
1538 UI_METHOD *ui_method,
1539 void *callback_data)
1541 STACK_OF(X509) *certs = NULL;
1545 int i, client_cert_idx;
1547 PCCERT_CONTEXT cert = NULL, excert = NULL;
1550 ctx = ENGINE_get_ex_data(e, capi_idx);
1555 storename = ctx->ssl_client_store;
1559 hstore = capi_open_store(ctx, storename);
1562 /* Enumerate all certificates collect any matches */
1564 cert = CertEnumCertificatesInStore(hstore, cert);
1567 p = cert->pbCertEncoded;
1568 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1570 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1573 if (cert_issuer_match(ca_dn, x)
1574 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
1575 key = capi_get_cert_key(ctx, cert);
1581 * Match found: attach extra data to it so we can retrieve the
1584 excert = CertDuplicateCertificateContext(cert);
1585 key->pcert = excert;
1586 X509_set_ex_data(x, cert_capi_idx, key);
1589 certs = sk_X509_new_null();
1591 sk_X509_push(certs, x);
1598 CertFreeCertificateContext(cert);
1600 CertCloseStore(hstore, 0);
1605 /* Select the appropriate certificate */
1607 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1609 /* Set the selected certificate and free the rest */
1611 for (i = 0; i < sk_X509_num(certs); i++) {
1612 x = sk_X509_value(certs, i);
1613 if (i == client_cert_idx)
1616 key = X509_get_ex_data(x, cert_capi_idx);
1622 sk_X509_free(certs);
1627 /* Setup key for selected certificate */
1629 key = X509_get_ex_data(*pcert, cert_capi_idx);
1630 *pkey = capi_get_pkey(e, key);
1631 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1637 /* Simple client cert selection function: always select first */
1639 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1644 # ifdef OPENSSL_CAPIENG_DIALOG
1647 * More complex cert selection function, using standard function
1648 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1652 * Definitions which are in cryptuiapi.h but this is not present in older
1653 * versions of headers.
1656 # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1657 # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1658 # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1661 # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1662 # define dlg_prompt L"Select a certificate to use for authentication"
1663 # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1664 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1666 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1670 PCCERT_CONTEXT cert;
1675 if (sk_X509_num(certs) == 1)
1677 ctx = ENGINE_get_ex_data(e, capi_idx);
1678 /* Create an in memory store of certificates */
1679 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1680 CERT_STORE_CREATE_NEW_FLAG, NULL);
1682 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1683 capi_addlasterror();
1686 /* Add all certificates to store */
1687 for (i = 0; i < sk_X509_num(certs); i++) {
1688 x = sk_X509_value(certs, i);
1689 key = X509_get_ex_data(x, cert_capi_idx);
1691 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1692 CERT_STORE_ADD_NEW, NULL)) {
1693 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1694 capi_addlasterror();
1699 hwnd = GetForegroundWindow();
1701 hwnd = GetActiveWindow();
1702 if (!hwnd && ctx->getconswindow)
1703 hwnd = ctx->getconswindow();
1704 /* Call dialog to select one */
1705 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1706 dlg_columns, 0, NULL);
1708 /* Find matching cert from list */
1710 for (i = 0; i < sk_X509_num(certs); i++) {
1711 x = sk_X509_value(certs, i);
1712 key = X509_get_ex_data(x, cert_capi_idx);
1713 if (CertCompareCertificate
1714 (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
1715 key->pcert->pCertInfo)) {
1724 CertCloseStore(dstore, 0);
1732 # include <openssl/engine.h>
1733 # ifndef OPENSSL_NO_DYNAMIC_ENGINE
1735 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
1740 IMPLEMENT_DYNAMIC_CHECK_FN()