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 * ====================================================================
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
75 * This module uses several "new" interfaces, among which is
76 * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
77 * one of possible values you can pass to function in question. By
78 * checking if it's defined we can see if wincrypt.h and accompanying
79 * crypt32.lib are in shape. Yes, it's rather "weak" test and if
80 * compilation fails, then re-configure with -DOPENSSL_NO_CAPIENG.
82 #ifdef CERT_KEY_PROV_INFO_PROP_ID
83 # define __COMPILE_CAPIENG
84 #endif /* CERT_KEY_PROV_INFO_PROP_ID */
85 #endif /* OPENSSL_NO_CAPIENG */
86 #endif /* OPENSSL_SYS_WIN32 */
88 #ifdef __COMPILE_CAPIENG
90 #undef X509_EXTENSIONS
93 /* Definitions which may be missing from earlier version of headers */
94 #ifndef CERT_STORE_OPEN_EXISTING_FLAG
95 #define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
98 #ifndef CERT_STORE_CREATE_NEW_FLAG
99 #define CERT_STORE_CREATE_NEW_FLAG 0x00002000
102 #include <openssl/engine.h>
103 #include <openssl/pem.h>
104 #include <openssl/x509v3.h>
106 #include "e_capi_err.h"
107 #include "e_capi_err.c"
110 static const char *engine_capi_id = "capi";
111 static const char *engine_capi_name = "CryptoAPI ENGINE";
113 typedef struct CAPI_CTX_st CAPI_CTX;
114 typedef struct CAPI_KEY_st CAPI_KEY;
116 static void capi_addlasterror(void);
117 static void capi_adderror(DWORD err);
119 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
121 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
122 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
123 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
124 void capi_free_key(CAPI_KEY *key);
126 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
128 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
130 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
131 UI_METHOD *ui_method, void *callback_data);
132 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
133 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
134 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
135 unsigned char *to, RSA *rsa, int padding);
136 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
137 unsigned char *to, RSA *rsa, int padding);
138 static int capi_rsa_free(RSA *rsa);
140 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
142 static int capi_dsa_free(DSA *dsa);
144 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
145 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
146 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
148 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
149 #ifdef OPENSSL_CAPIENG_DIALOG
150 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
153 typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
154 LPCWSTR, DWORD, DWORD,
156 typedef HWND (WINAPI *GETCONSWIN)(void);
158 /* This structure contains CAPI ENGINE specific data:
159 * it contains various global options and affects how
160 * other functions behave.
163 #define CAPI_DBG_TRACE 2
164 #define CAPI_DBG_ERROR 1
169 /* Parameters to use for container lookup */
173 /* Certificate store name to use */
175 LPSTR ssl_client_store;
176 /* System store flags */
179 /* Lookup string meanings in load_private_key */
180 /* Substring of subject: uses "storename" */
181 #define CAPI_LU_SUBSTR 1
182 /* Friendly name: uses storename */
183 #define CAPI_LU_FNAME 2
184 /* Container name: uses cspname, keytype */
185 #define CAPI_LU_CONTNAME 3
187 /* Info to dump with dumpcerts option */
188 /* Issuer and serial name strings */
189 #define CAPI_DMP_SUMMARY 0x1
191 #define CAPI_DMP_FNAME 0x2
192 /* Full X509_print dump */
193 #define CAPI_DMP_FULL 0x4
194 /* Dump PEM format certificate */
195 #define CAPI_DMP_PEM 0x8
196 /* Dump pseudo key (if possible) */
197 #define CAPI_DMP_PSKEY 0x10
198 /* Dump key info (if possible) */
199 #define CAPI_DMP_PKEYINFO 0x20
202 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
204 CERTDLG certselectdlg;
205 GETCONSWIN getconswindow;
209 static CAPI_CTX *capi_ctx_new();
210 static void capi_ctx_free(CAPI_CTX *ctx);
211 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
212 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
214 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
215 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
216 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
217 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
218 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
219 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
220 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
221 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
222 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
223 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
224 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
225 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
226 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
227 #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
229 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
230 {CAPI_CMD_LIST_CERTS,
232 "List all certificates in store",
233 ENGINE_CMD_FLAG_NO_INPUT},
234 {CAPI_CMD_LOOKUP_CERT,
236 "Lookup and output certificates",
237 ENGINE_CMD_FLAG_STRING},
238 {CAPI_CMD_DEBUG_LEVEL,
240 "debug level (1=errors, 2=trace)",
241 ENGINE_CMD_FLAG_NUMERIC},
242 {CAPI_CMD_DEBUG_FILE,
244 "debugging filename)",
245 ENGINE_CMD_FLAG_STRING},
248 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
249 ENGINE_CMD_FLAG_NUMERIC},
253 ENGINE_CMD_FLAG_NO_INPUT},
254 {CAPI_CMD_SET_CSP_IDX,
257 ENGINE_CMD_FLAG_NUMERIC},
258 {CAPI_CMD_SET_CSP_NAME,
260 "Set CSP name, (default CSP used if not specified)",
261 ENGINE_CMD_FLAG_STRING},
262 {CAPI_CMD_SET_CSP_TYPE,
264 "Set CSP type, (default RSA_PROV_FULL)",
265 ENGINE_CMD_FLAG_NUMERIC},
266 {CAPI_CMD_LIST_CONTAINERS,
268 "list container names",
269 ENGINE_CMD_FLAG_NO_INPUT},
270 {CAPI_CMD_LIST_OPTIONS,
272 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
273 "32=private key info)",
274 ENGINE_CMD_FLAG_NUMERIC},
275 {CAPI_CMD_LOOKUP_METHOD,
277 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
278 ENGINE_CMD_FLAG_NUMERIC},
279 {CAPI_CMD_STORE_NAME,
281 "certificate store name, default \"MY\"",
282 ENGINE_CMD_FLAG_STRING},
283 {CAPI_CMD_STORE_FLAGS,
285 "Certificate store flags: 1 = system store",
286 ENGINE_CMD_FLAG_NUMERIC},
291 static int capi_idx = -1;
292 static int rsa_capi_idx = -1;
293 static int dsa_capi_idx = -1;
294 static int cert_capi_idx = -1;
296 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
303 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
306 ctx = ENGINE_get_ex_data(e, capi_idx);
307 out = BIO_new_fp(stdout, BIO_NOCLOSE);
310 case CAPI_CMD_LIST_CSPS:
311 ret = capi_list_providers(ctx, out);
314 case CAPI_CMD_LIST_CERTS:
315 ret = capi_list_certs(ctx, out, NULL);
318 case CAPI_CMD_LOOKUP_CERT:
319 ret = capi_list_certs(ctx, out, p);
322 case CAPI_CMD_LIST_CONTAINERS:
323 ret = capi_list_containers(ctx, out);
326 case CAPI_CMD_STORE_NAME:
328 OPENSSL_free(ctx->storename);
329 ctx->storename = BUF_strdup(p);
330 CAPI_trace(ctx, "Setting store name to %s\n", p);
333 case CAPI_CMD_STORE_FLAGS:
336 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
337 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
341 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
342 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
344 CAPI_trace(ctx, "Setting flags to %d\n", i);
347 case CAPI_CMD_DEBUG_LEVEL:
348 ctx->debug_level = (int)i;
349 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
352 case CAPI_CMD_DEBUG_FILE:
353 ctx->debug_file = BUF_strdup(p);
354 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
357 case CAPI_CMD_KEYTYPE:
359 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
362 case CAPI_CMD_SET_CSP_IDX:
363 ret = capi_ctx_set_provname_idx(ctx, i);
366 case CAPI_CMD_LIST_OPTIONS:
370 case CAPI_CMD_LOOKUP_METHOD:
373 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
376 ctx->lookup_method = i;
379 case CAPI_CMD_SET_CSP_NAME:
380 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
383 case CAPI_CMD_SET_CSP_TYPE:
388 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
397 static RSA_METHOD capi_rsa_method =
399 "CryptoAPI RSA method",
402 capi_rsa_priv_enc, /* priv_enc */
403 capi_rsa_priv_dec, /* priv_dec */
407 capi_rsa_free, /* finish */
408 RSA_FLAG_SIGN_VER, /* flags */
410 capi_rsa_sign, /* rsa_sign */
414 static DSA_METHOD capi_dsa_method =
416 "CryptoAPI DSA method",
417 capi_dsa_do_sign, /* dsa_do_sign */
418 0, /* dsa_sign_setup */
419 0, /* dsa_do_verify */
423 capi_dsa_free, /* finish */
426 0, /* dsa_paramgen */
430 static int capi_init(ENGINE *e)
433 const RSA_METHOD *ossl_rsa_meth;
434 const DSA_METHOD *ossl_dsa_meth;
435 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
436 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
438 ctx = capi_ctx_new();
439 if (!ctx || (capi_idx < 0))
442 ENGINE_set_ex_data(e, capi_idx, ctx);
443 /* Setup RSA_METHOD */
444 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
445 ossl_rsa_meth = RSA_PKCS1_SSLeay();
446 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
447 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
448 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
449 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
451 /* Setup DSA Method */
452 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
453 ossl_dsa_meth = DSA_OpenSSL();
454 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
455 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
456 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
458 #ifdef OPENSSL_CAPIENG_DIALOG
460 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
461 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
463 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
465 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
466 if (cryptui && !OPENSSL_isservice())
467 ctx->client_cert_select = cert_select_dialog;
475 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
481 static int capi_destroy(ENGINE *e)
483 ERR_unload_CAPI_strings();
487 static int capi_finish(ENGINE *e)
490 ctx = ENGINE_get_ex_data(e, capi_idx);
492 ENGINE_set_ex_data(e, capi_idx, NULL);
497 /* CryptoAPI key application data. This contains
498 * a handle to the private key container (for sign operations)
499 * and a handle to the key (for decrypt operations).
504 /* Associated certificate context (if any) */
505 PCCERT_CONTEXT pcert;
511 static int bind_capi(ENGINE *e)
513 if (!ENGINE_set_id(e, engine_capi_id)
514 || !ENGINE_set_name(e, engine_capi_name)
515 || !ENGINE_set_init_function(e, capi_init)
516 || !ENGINE_set_finish_function(e, capi_finish)
517 || !ENGINE_set_destroy_function(e, capi_destroy)
518 || !ENGINE_set_RSA(e, &capi_rsa_method)
519 || !ENGINE_set_DSA(e, &capi_dsa_method)
520 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
521 || !ENGINE_set_load_ssl_client_cert_function(e,
522 capi_load_ssl_client_cert)
523 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
524 || !ENGINE_set_ctrl_function(e, capi_ctrl))
526 ERR_load_CAPI_strings();
532 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
533 static int bind_helper(ENGINE *e, const char *id)
535 if(id && (strcmp(id, engine_capi_id) != 0))
541 IMPLEMENT_DYNAMIC_CHECK_FN()
542 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
544 static ENGINE *engine_capi(void)
546 ENGINE *ret = ENGINE_new();
557 void ENGINE_load_capi(void)
559 /* Copied from eng_[openssl|dyn].c */
560 ENGINE *toadd = engine_capi();
569 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
572 /* Reverse buffer in place: since this is a keyblob structure
573 * that will be freed up after conversion anyway it doesn't
574 * matter if we change it.
576 for(i = 0; i < binlen / 2; i++)
580 bin[i] = bin[binlen - i - 1];
581 bin[binlen - i - 1] = c;
584 if (!BN_bin2bn(bin, binlen, bn))
589 /* Given a CAPI_KEY get an EVP_PKEY structure */
591 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
593 unsigned char *pubkey = NULL;
598 EVP_PKEY *ret = NULL;
599 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
601 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
606 pubkey = OPENSSL_malloc(len);
611 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
613 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
618 bh = (BLOBHEADER *)pubkey;
619 if (bh->bType != PUBLICKEYBLOB)
621 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
624 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
628 unsigned char *rsa_modulus;
629 rp = (RSAPUBKEY *)(bh + 1);
630 if (rp->magic != 0x31415352)
633 BIO_snprintf(magstr, 10, "%lx", rp->magic);
634 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
635 ERR_add_error_data(2, "magic=0x", magstr);
638 rsa_modulus = (unsigned char *)(rp + 1);
639 rkey = RSA_new_method(eng);
646 if (!rkey->e || !rkey->n)
649 if (!BN_set_word(rkey->e, rp->pubexp))
652 rsa_modlen = rp->bitlen / 8;
653 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
656 RSA_set_ex_data(rkey, rsa_capi_idx, key);
658 if (!(ret = EVP_PKEY_new()))
661 EVP_PKEY_assign_RSA(ret, rkey);
665 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
670 dp = (DSSPUBKEY *)(bh + 1);
671 if (dp->magic != 0x31535344)
674 BIO_snprintf(magstr, 10, "%lx", dp->magic);
675 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
676 ERR_add_error_data(2, "magic=0x", magstr);
679 dsa_plen = dp->bitlen / 8;
680 btmp = (unsigned char *)(dp + 1);
681 dkey = DSA_new_method(eng);
687 dkey->pub_key = BN_new();
688 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
690 if (!lend_tobn(dkey->p, btmp, dsa_plen))
693 if (!lend_tobn(dkey->q, btmp, 20))
696 if (!lend_tobn(dkey->g, btmp, dsa_plen))
699 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
703 DSA_set_ex_data(dkey, dsa_capi_idx, key);
705 if (!(ret = EVP_PKEY_new()))
708 EVP_PKEY_assign_DSA(ret, dkey);
714 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
715 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
716 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
723 OPENSSL_free(pubkey);
735 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
740 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
741 UI_METHOD *ui_method, void *callback_data)
746 ctx = ENGINE_get_ex_data(eng, capi_idx);
750 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
754 key = capi_find_key(ctx, key_id);
759 ret = capi_get_pkey(eng, key);
767 /* CryptoAPI RSA operations */
769 int capi_rsa_priv_enc(int flen, const unsigned char *from,
770 unsigned char *to, RSA *rsa, int padding)
772 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
776 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
777 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
787 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
789 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
791 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
794 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
797 /* Convert the signature type to a CryptoAPI algorithm ID */
809 alg = CALG_SSL3_SHAMD5;
814 BIO_snprintf(algstr, 10, "%lx", dtype);
815 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
816 ERR_add_error_data(2, "NID=0x", algstr);
823 /* Create the hash object */
824 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
826 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
830 /* Set the hash value to the value passed */
832 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
834 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
840 /* Finally sign it */
841 slen = RSA_size(rsa);
842 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
844 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
851 /* Inplace byte reversal of signature */
852 for(i = 0; i < slen / 2; i++)
856 sigret[i] = sigret[slen - i - 1];
857 sigret[slen - i - 1] = c;
865 CryptDestroyHash(hash);
870 int capi_rsa_priv_dec(int flen, const unsigned char *from,
871 unsigned char *to, RSA *rsa, int padding)
874 unsigned char *tmpbuf;
877 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
879 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
882 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
885 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
889 if(padding != RSA_PKCS1_PADDING)
892 BIO_snprintf(errstr, 10, "%d", padding);
893 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
894 ERR_add_error_data(2, "padding=", errstr);
898 /* Create temp reverse order version of input */
899 if(!(tmpbuf = OPENSSL_malloc(flen)) )
901 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
904 for(i = 0; i < flen; i++)
905 tmpbuf[flen - i - 1] = from[i];
907 /* Finally decrypt it */
908 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
910 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
912 OPENSSL_free(tmpbuf);
915 else memcpy(to, tmpbuf, flen);
917 OPENSSL_free(tmpbuf);
922 static int capi_rsa_free(RSA *rsa)
925 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
926 capi_free_key(capi_key);
927 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
931 /* CryptoAPI DSA operations */
933 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
941 unsigned char csigbuf[40];
943 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
945 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
947 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
951 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
957 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
961 /* Create the hash object */
962 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
964 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
969 /* Set the hash value to the value passed */
970 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
972 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
978 /* Finally sign it */
979 slen = sizeof(csigbuf);
980 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
982 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
993 if (!ret->r || !ret->s)
995 if (!lend_tobn(ret->r, csigbuf, 20)
996 || !lend_tobn(ret->s, csigbuf + 20, 20))
1007 OPENSSL_cleanse(csigbuf, 40);
1008 CryptDestroyHash(hash);
1012 static int capi_dsa_free(DSA *dsa)
1015 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1016 capi_free_key(capi_key);
1017 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1021 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
1025 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1027 out = BIO_new_file(ctx->debug_file, "a+");
1028 BIO_vprintf(out, format, argptr);
1032 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1035 va_start(args, format);
1036 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1040 static void capi_addlasterror(void)
1042 capi_adderror(GetLastError());
1045 static void capi_adderror(DWORD err)
1048 BIO_snprintf(errstr, 10, "%lX", err);
1049 ERR_add_error_data(2, "Error code= 0x", errstr);
1052 static char *wide_to_asc(LPWSTR wstr)
1059 len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
1060 sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
1063 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1066 str = OPENSSL_malloc(sz);
1069 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1072 if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
1075 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1081 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1085 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1086 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len))
1088 err = GetLastError();
1089 if (err == ERROR_NO_MORE_ITEMS)
1091 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1095 name = OPENSSL_malloc(len);
1096 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len))
1098 err = GetLastError();
1099 if (err == ERROR_NO_MORE_ITEMS)
1101 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1106 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1111 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1115 LPSTR provname = NULL;
1116 CAPI_trace(ctx, "capi_list_providers\n");
1117 BIO_printf(out, "Available CSPs:\n");
1118 for(idx = 0; ; idx++)
1120 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1125 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1126 OPENSSL_free(provname);
1131 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1135 DWORD err, idx, flags, buflen = 0, clen;
1137 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1138 if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1140 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1141 capi_addlasterror();
1144 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1146 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1147 capi_addlasterror();
1150 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1153 cname = OPENSSL_malloc(buflen);
1156 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1160 for (idx = 0;;idx++)
1166 flags = CRYPT_FIRST;
1169 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1171 err = GetLastError();
1172 if (err == ERROR_NO_MORE_ITEMS)
1174 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1178 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1179 if (!cname[0] && (clen == buflen))
1181 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1184 BIO_printf(out, "%d. %s\n", idx, cname);
1192 OPENSSL_free(cname);
1193 CryptReleaseContext(hprov, 0);
1198 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1201 CRYPT_KEY_PROV_INFO *pinfo;
1203 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1205 pinfo = OPENSSL_malloc(len);
1208 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1211 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1213 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1214 capi_addlasterror();
1215 OPENSSL_free(pinfo);
1221 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1223 char *provname = NULL, *contname = NULL;
1226 BIO_printf(out, " No Private Key\n");
1229 provname = wide_to_asc(pinfo->pwszProvName);
1230 contname = wide_to_asc(pinfo->pwszContainerName);
1231 if (!provname || !contname)
1234 BIO_printf(out, " Private Key Info:\n");
1235 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1236 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1239 OPENSSL_free(provname);
1241 OPENSSL_free(contname);
1244 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1249 CAPI_trace(ctx, "capi_cert_get_fname\n");
1250 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1252 wfname = OPENSSL_malloc(dlen);
1253 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1255 char *fname = wide_to_asc(wfname);
1256 OPENSSL_free(wfname);
1259 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1260 capi_addlasterror();
1262 OPENSSL_free(wfname);
1267 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1271 unsigned long flags = ctx->dump_flags;
1272 if (flags & CAPI_DMP_FNAME)
1275 fname = capi_cert_get_fname(ctx, cert);
1278 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1279 OPENSSL_free(fname);
1282 BIO_printf(out, " <No Friendly Name>\n");
1285 p = cert->pbCertEncoded;
1286 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1288 BIO_printf(out, " <Can't parse certificate>\n");
1289 if (flags & CAPI_DMP_SUMMARY)
1291 BIO_printf(out, " Subject: ");
1292 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1293 BIO_printf(out, "\n Issuer: ");
1294 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1295 BIO_printf(out, "\n");
1297 if (flags & CAPI_DMP_FULL)
1298 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1300 if (flags & CAPI_DMP_PKEYINFO)
1302 CRYPT_KEY_PROV_INFO *pinfo;
1303 pinfo = capi_get_prov_info(ctx, cert);
1304 capi_dump_prov_info(ctx, out, pinfo);
1306 OPENSSL_free(pinfo);
1309 if (flags & CAPI_DMP_PEM)
1310 PEM_write_bio_X509(out, x);
1314 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1319 storename = ctx->storename;
1322 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1324 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1325 ctx->store_flags, storename);
1328 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1329 capi_addlasterror();
1334 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1340 PCCERT_CONTEXT cert = NULL;
1342 storename = ctx->storename;
1345 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1347 hstore = capi_open_store(ctx, storename);
1352 cert = capi_find_cert(ctx, id, hstore);
1358 capi_dump_cert(ctx, out, cert);
1359 CertFreeCertificateContext(cert);
1365 LPWSTR fname = NULL;
1366 cert = CertEnumCertificatesInStore(hstore, cert);
1369 BIO_printf(out, "Certificate %d\n", idx);
1370 capi_dump_cert(ctx, out, cert);
1374 CertCloseStore(hstore, 0);
1378 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1380 PCCERT_CONTEXT cert = NULL;
1383 switch(ctx->lookup_method)
1385 case CAPI_LU_SUBSTR:
1386 return CertFindCertificateInStore(hstore,
1387 X509_ASN_ENCODING, 0,
1388 CERT_FIND_SUBJECT_STR_A, id, NULL);
1392 cert = CertEnumCertificatesInStore(hstore, cert);
1395 fname = capi_cert_get_fname(ctx, cert);
1398 if (strcmp(fname, id))
1402 OPENSSL_free(fname);
1412 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1415 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1416 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1417 contname, provname, ptype);
1418 if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, 0))
1420 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1421 capi_addlasterror();
1424 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1426 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1427 capi_addlasterror();
1428 CryptReleaseContext(key->hprov, 0);
1431 key->keyspec = keyspec;
1440 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1442 CAPI_KEY *key = NULL;
1443 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1444 char *provname = NULL, *contname = NULL;
1445 pinfo = capi_get_prov_info(ctx, cert);
1448 provname = wide_to_asc(pinfo->pwszProvName);
1449 contname = wide_to_asc(pinfo->pwszContainerName);
1450 if (!provname || !contname)
1452 key = capi_get_key(ctx, contname, provname,
1453 pinfo->dwProvType, pinfo->dwKeySpec);
1457 OPENSSL_free(pinfo);
1459 OPENSSL_free(provname);
1461 OPENSSL_free(contname);
1465 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1467 PCCERT_CONTEXT cert;
1469 CAPI_KEY *key = NULL;
1470 switch (ctx->lookup_method)
1472 case CAPI_LU_SUBSTR:
1474 hstore = capi_open_store(ctx, NULL);
1477 cert = capi_find_cert(ctx, id, hstore);
1480 key = capi_get_cert_key(ctx, cert);
1481 CertFreeCertificateContext(cert);
1483 CertCloseStore(hstore, 0);
1486 case CAPI_LU_CONTNAME:
1487 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1495 void capi_free_key(CAPI_KEY *key)
1499 CryptDestroyKey(key->key);
1500 CryptReleaseContext(key->hprov, 0);
1502 CertFreeCertificateContext(key->pcert);
1507 /* Initialize a CAPI_CTX structure */
1509 static CAPI_CTX *capi_ctx_new()
1512 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1515 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1518 ctx->cspname = NULL;
1519 ctx->csptype = PROV_RSA_FULL;
1520 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1521 ctx->keytype = AT_KEYEXCHANGE;
1522 ctx->storename = NULL;
1523 ctx->ssl_client_store = NULL;
1524 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1525 CERT_STORE_READONLY_FLAG |
1526 CERT_SYSTEM_STORE_CURRENT_USER;
1527 ctx->lookup_method = CAPI_LU_SUBSTR;
1528 ctx->debug_level = 0;
1529 ctx->debug_file = NULL;
1530 ctx->client_cert_select = cert_select_simple;
1534 static void capi_ctx_free(CAPI_CTX *ctx)
1536 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1540 OPENSSL_free(ctx->cspname);
1541 if (ctx->debug_file)
1542 OPENSSL_free(ctx->debug_file);
1544 OPENSSL_free(ctx->storename);
1545 if (ctx->ssl_client_store)
1546 OPENSSL_free(ctx->ssl_client_store);
1550 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1552 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1556 if (!CryptAcquireContextA(&hprov, NULL, pname, type,
1557 CRYPT_VERIFYCONTEXT))
1559 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1560 capi_addlasterror();
1563 CryptReleaseContext(hprov, 0);
1565 ctx->cspname = BUF_strdup(pname);
1566 ctx->csptype = type;
1570 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1574 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1576 return capi_ctx_set_provname(ctx, pname, type, 0);
1579 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1583 /* Special case: empty list: match anything */
1584 if (sk_X509_NAME_num(ca_dn) <= 0)
1586 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1588 nm = sk_X509_NAME_value(ca_dn, i);
1589 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1597 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1598 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1599 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1601 STACK_OF(X509) *certs = NULL;
1605 int i, client_cert_idx;
1607 PCCERT_CONTEXT cert = NULL, excert = NULL;
1610 ctx = ENGINE_get_ex_data(e, capi_idx);
1615 storename = ctx->ssl_client_store;
1619 hstore = capi_open_store(ctx, storename);
1622 /* Enumerate all certificates collect any matches */
1625 cert = CertEnumCertificatesInStore(hstore, cert);
1628 p = cert->pbCertEncoded;
1629 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1632 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1635 if (cert_issuer_match(ca_dn, x)
1636 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
1638 key = capi_get_cert_key(ctx, cert);
1644 /* Match found: attach extra data to it so
1645 * we can retrieve the key later.
1647 excert = CertDuplicateCertificateContext(cert);
1648 key->pcert = excert;
1649 X509_set_ex_data(x, cert_capi_idx, key);
1652 certs = sk_X509_new_null();
1654 sk_X509_push(certs, x);
1662 CertFreeCertificateContext(cert);
1664 CertCloseStore(hstore, 0);
1670 /* Select the appropriate certificate */
1672 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1674 /* Set the selected certificate and free the rest */
1676 for(i = 0; i < sk_X509_num(certs); i++)
1678 x = sk_X509_value(certs, i);
1679 if (i == client_cert_idx)
1683 key = X509_get_ex_data(x, cert_capi_idx);
1689 sk_X509_free(certs);
1694 /* Setup key for selected certificate */
1696 key = X509_get_ex_data(*pcert, cert_capi_idx);
1697 *pkey = capi_get_pkey(e, key);
1698 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1705 /* Simple client cert selection function: always select first */
1707 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1712 #ifdef OPENSSL_CAPIENG_DIALOG
1714 /* More complex cert selection function, using standard function
1715 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1718 /* Definitions which are in cryptuiapi.h but this is not present in older
1719 * versions of headers.
1722 #ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1723 #define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1724 #define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1727 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1728 #define dlg_prompt L"Select a certificate to use for authentication"
1729 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1730 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1732 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1736 PCCERT_CONTEXT cert;
1741 if (sk_X509_num(certs) == 1)
1743 ctx = ENGINE_get_ex_data(e, capi_idx);
1744 /* Create an in memory store of certificates */
1745 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1746 CERT_STORE_CREATE_NEW_FLAG, NULL);
1749 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1750 capi_addlasterror();
1753 /* Add all certificates to store */
1754 for(i = 0; i < sk_X509_num(certs); i++)
1756 x = sk_X509_value(certs, i);
1757 key = X509_get_ex_data(x, cert_capi_idx);
1759 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1760 CERT_STORE_ADD_NEW, NULL))
1762 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1763 capi_addlasterror();
1768 hwnd = GetForegroundWindow();
1770 hwnd = GetActiveWindow();
1771 if (!hwnd && ctx->getconswindow)
1772 hwnd = ctx->getconswindow();
1773 /* Call dialog to select one */
1774 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1775 dlg_columns, 0, NULL);
1777 /* Find matching cert from list */
1780 for(i = 0; i < sk_X509_num(certs); i++)
1782 x = sk_X509_value(certs, i);
1783 key = X509_get_ex_data(x, cert_capi_idx);
1784 if (CertCompareCertificate(
1785 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1787 key->pcert->pCertInfo))
1797 CertCloseStore(dstore, 0);
1803 #else /* !__COMPILE_CAPIENG */
1804 #include <openssl/engine.h>
1805 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1807 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
1808 IMPLEMENT_DYNAMIC_CHECK_FN()
1810 void ENGINE_load_capi(void){}