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 #ifndef CERT_SYSTEM_STORE_CURRENT_USER
103 #define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
106 #include <openssl/engine.h>
107 #include <openssl/pem.h>
108 #include <openssl/x509v3.h>
110 #include "e_capi_err.h"
111 #include "e_capi_err.c"
114 static const char *engine_capi_id = "capi";
115 static const char *engine_capi_name = "CryptoAPI ENGINE";
117 typedef struct CAPI_CTX_st CAPI_CTX;
118 typedef struct CAPI_KEY_st CAPI_KEY;
120 static void capi_addlasterror(void);
121 static void capi_adderror(DWORD err);
123 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
125 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
126 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
127 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
128 void capi_free_key(CAPI_KEY *key);
130 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
132 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
134 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
135 UI_METHOD *ui_method, void *callback_data);
136 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
137 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
138 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
139 unsigned char *to, RSA *rsa, int padding);
140 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
141 unsigned char *to, RSA *rsa, int padding);
142 static int capi_rsa_free(RSA *rsa);
144 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
146 static int capi_dsa_free(DSA *dsa);
148 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
149 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
150 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
152 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
153 #ifdef OPENSSL_CAPIENG_DIALOG
154 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
157 typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
158 LPCWSTR, DWORD, DWORD,
160 typedef HWND (WINAPI *GETCONSWIN)(void);
162 /* This structure contains CAPI ENGINE specific data:
163 * it contains various global options and affects how
164 * other functions behave.
167 #define CAPI_DBG_TRACE 2
168 #define CAPI_DBG_ERROR 1
173 /* Parameters to use for container lookup */
177 /* Certificate store name to use */
179 LPSTR ssl_client_store;
180 /* System store flags */
183 /* Lookup string meanings in load_private_key */
184 /* Substring of subject: uses "storename" */
185 #define CAPI_LU_SUBSTR 1
186 /* Friendly name: uses storename */
187 #define CAPI_LU_FNAME 2
188 /* Container name: uses cspname, keytype */
189 #define CAPI_LU_CONTNAME 3
191 /* Info to dump with dumpcerts option */
192 /* Issuer and serial name strings */
193 #define CAPI_DMP_SUMMARY 0x1
195 #define CAPI_DMP_FNAME 0x2
196 /* Full X509_print dump */
197 #define CAPI_DMP_FULL 0x4
198 /* Dump PEM format certificate */
199 #define CAPI_DMP_PEM 0x8
200 /* Dump pseudo key (if possible) */
201 #define CAPI_DMP_PSKEY 0x10
202 /* Dump key info (if possible) */
203 #define CAPI_DMP_PKEYINFO 0x20
206 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
208 CERTDLG certselectdlg;
209 GETCONSWIN getconswindow;
213 static CAPI_CTX *capi_ctx_new();
214 static void capi_ctx_free(CAPI_CTX *ctx);
215 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
216 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
218 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
219 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
220 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
221 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
222 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
223 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
224 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
225 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
226 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
227 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
228 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
229 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
230 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
231 #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
233 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
234 {CAPI_CMD_LIST_CERTS,
236 "List all certificates in store",
237 ENGINE_CMD_FLAG_NO_INPUT},
238 {CAPI_CMD_LOOKUP_CERT,
240 "Lookup and output certificates",
241 ENGINE_CMD_FLAG_STRING},
242 {CAPI_CMD_DEBUG_LEVEL,
244 "debug level (1=errors, 2=trace)",
245 ENGINE_CMD_FLAG_NUMERIC},
246 {CAPI_CMD_DEBUG_FILE,
248 "debugging filename)",
249 ENGINE_CMD_FLAG_STRING},
252 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
253 ENGINE_CMD_FLAG_NUMERIC},
257 ENGINE_CMD_FLAG_NO_INPUT},
258 {CAPI_CMD_SET_CSP_IDX,
261 ENGINE_CMD_FLAG_NUMERIC},
262 {CAPI_CMD_SET_CSP_NAME,
264 "Set CSP name, (default CSP used if not specified)",
265 ENGINE_CMD_FLAG_STRING},
266 {CAPI_CMD_SET_CSP_TYPE,
268 "Set CSP type, (default RSA_PROV_FULL)",
269 ENGINE_CMD_FLAG_NUMERIC},
270 {CAPI_CMD_LIST_CONTAINERS,
272 "list container names",
273 ENGINE_CMD_FLAG_NO_INPUT},
274 {CAPI_CMD_LIST_OPTIONS,
276 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
277 "32=private key info)",
278 ENGINE_CMD_FLAG_NUMERIC},
279 {CAPI_CMD_LOOKUP_METHOD,
281 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
282 ENGINE_CMD_FLAG_NUMERIC},
283 {CAPI_CMD_STORE_NAME,
285 "certificate store name, default \"MY\"",
286 ENGINE_CMD_FLAG_STRING},
287 {CAPI_CMD_STORE_FLAGS,
289 "Certificate store flags: 1 = system store",
290 ENGINE_CMD_FLAG_NUMERIC},
295 static int capi_idx = -1;
296 static int rsa_capi_idx = -1;
297 static int dsa_capi_idx = -1;
298 static int cert_capi_idx = -1;
300 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
307 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
310 ctx = ENGINE_get_ex_data(e, capi_idx);
311 out = BIO_new_fp(stdout, BIO_NOCLOSE);
314 case CAPI_CMD_LIST_CSPS:
315 ret = capi_list_providers(ctx, out);
318 case CAPI_CMD_LIST_CERTS:
319 ret = capi_list_certs(ctx, out, NULL);
322 case CAPI_CMD_LOOKUP_CERT:
323 ret = capi_list_certs(ctx, out, p);
326 case CAPI_CMD_LIST_CONTAINERS:
327 ret = capi_list_containers(ctx, out);
330 case CAPI_CMD_STORE_NAME:
332 OPENSSL_free(ctx->storename);
333 ctx->storename = BUF_strdup(p);
334 CAPI_trace(ctx, "Setting store name to %s\n", p);
337 case CAPI_CMD_STORE_FLAGS:
340 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
341 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
345 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
346 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
348 CAPI_trace(ctx, "Setting flags to %d\n", i);
351 case CAPI_CMD_DEBUG_LEVEL:
352 ctx->debug_level = (int)i;
353 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
356 case CAPI_CMD_DEBUG_FILE:
357 ctx->debug_file = BUF_strdup(p);
358 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
361 case CAPI_CMD_KEYTYPE:
363 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
366 case CAPI_CMD_SET_CSP_IDX:
367 ret = capi_ctx_set_provname_idx(ctx, i);
370 case CAPI_CMD_LIST_OPTIONS:
374 case CAPI_CMD_LOOKUP_METHOD:
377 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
380 ctx->lookup_method = i;
383 case CAPI_CMD_SET_CSP_NAME:
384 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
387 case CAPI_CMD_SET_CSP_TYPE:
392 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
401 static RSA_METHOD capi_rsa_method =
403 "CryptoAPI RSA method",
406 capi_rsa_priv_enc, /* priv_enc */
407 capi_rsa_priv_dec, /* priv_dec */
411 capi_rsa_free, /* finish */
412 RSA_FLAG_SIGN_VER, /* flags */
414 capi_rsa_sign, /* rsa_sign */
418 static DSA_METHOD capi_dsa_method =
420 "CryptoAPI DSA method",
421 capi_dsa_do_sign, /* dsa_do_sign */
422 0, /* dsa_sign_setup */
423 0, /* dsa_do_verify */
427 capi_dsa_free, /* finish */
430 0, /* dsa_paramgen */
434 static int capi_init(ENGINE *e)
437 const RSA_METHOD *ossl_rsa_meth;
438 const DSA_METHOD *ossl_dsa_meth;
439 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
440 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
442 ctx = capi_ctx_new();
443 if (!ctx || (capi_idx < 0))
446 ENGINE_set_ex_data(e, capi_idx, ctx);
447 /* Setup RSA_METHOD */
448 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
449 ossl_rsa_meth = RSA_PKCS1_SSLeay();
450 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
451 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
452 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
453 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
455 /* Setup DSA Method */
456 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
457 ossl_dsa_meth = DSA_OpenSSL();
458 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
459 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
460 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
462 #ifdef OPENSSL_CAPIENG_DIALOG
464 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
465 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
467 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
469 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
470 if (cryptui && !OPENSSL_isservice())
471 ctx->client_cert_select = cert_select_dialog;
479 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
485 static int capi_destroy(ENGINE *e)
487 ERR_unload_CAPI_strings();
491 static int capi_finish(ENGINE *e)
494 ctx = ENGINE_get_ex_data(e, capi_idx);
496 ENGINE_set_ex_data(e, capi_idx, NULL);
501 /* CryptoAPI key application data. This contains
502 * a handle to the private key container (for sign operations)
503 * and a handle to the key (for decrypt operations).
508 /* Associated certificate context (if any) */
509 PCCERT_CONTEXT pcert;
515 static int bind_capi(ENGINE *e)
517 if (!ENGINE_set_id(e, engine_capi_id)
518 || !ENGINE_set_name(e, engine_capi_name)
519 || !ENGINE_set_init_function(e, capi_init)
520 || !ENGINE_set_finish_function(e, capi_finish)
521 || !ENGINE_set_destroy_function(e, capi_destroy)
522 || !ENGINE_set_RSA(e, &capi_rsa_method)
523 || !ENGINE_set_DSA(e, &capi_dsa_method)
524 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
525 || !ENGINE_set_load_ssl_client_cert_function(e,
526 capi_load_ssl_client_cert)
527 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
528 || !ENGINE_set_ctrl_function(e, capi_ctrl))
530 ERR_load_CAPI_strings();
536 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
537 static int bind_helper(ENGINE *e, const char *id)
539 if(id && (strcmp(id, engine_capi_id) != 0))
545 IMPLEMENT_DYNAMIC_CHECK_FN()
546 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
548 static ENGINE *engine_capi(void)
550 ENGINE *ret = ENGINE_new();
561 void ENGINE_load_capi(void)
563 /* Copied from eng_[openssl|dyn].c */
564 ENGINE *toadd = engine_capi();
573 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
576 /* Reverse buffer in place: since this is a keyblob structure
577 * that will be freed up after conversion anyway it doesn't
578 * matter if we change it.
580 for(i = 0; i < binlen / 2; i++)
584 bin[i] = bin[binlen - i - 1];
585 bin[binlen - i - 1] = c;
588 if (!BN_bin2bn(bin, binlen, bn))
593 /* Given a CAPI_KEY get an EVP_PKEY structure */
595 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
597 unsigned char *pubkey = NULL;
602 EVP_PKEY *ret = NULL;
603 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
605 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
610 pubkey = OPENSSL_malloc(len);
615 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
617 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
622 bh = (BLOBHEADER *)pubkey;
623 if (bh->bType != PUBLICKEYBLOB)
625 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
628 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
632 unsigned char *rsa_modulus;
633 rp = (RSAPUBKEY *)(bh + 1);
634 if (rp->magic != 0x31415352)
637 BIO_snprintf(magstr, 10, "%lx", rp->magic);
638 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
639 ERR_add_error_data(2, "magic=0x", magstr);
642 rsa_modulus = (unsigned char *)(rp + 1);
643 rkey = RSA_new_method(eng);
650 if (!rkey->e || !rkey->n)
653 if (!BN_set_word(rkey->e, rp->pubexp))
656 rsa_modlen = rp->bitlen / 8;
657 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
660 RSA_set_ex_data(rkey, rsa_capi_idx, key);
662 if (!(ret = EVP_PKEY_new()))
665 EVP_PKEY_assign_RSA(ret, rkey);
669 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
674 dp = (DSSPUBKEY *)(bh + 1);
675 if (dp->magic != 0x31535344)
678 BIO_snprintf(magstr, 10, "%lx", dp->magic);
679 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
680 ERR_add_error_data(2, "magic=0x", magstr);
683 dsa_plen = dp->bitlen / 8;
684 btmp = (unsigned char *)(dp + 1);
685 dkey = DSA_new_method(eng);
691 dkey->pub_key = BN_new();
692 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
694 if (!lend_tobn(dkey->p, btmp, dsa_plen))
697 if (!lend_tobn(dkey->q, btmp, 20))
700 if (!lend_tobn(dkey->g, btmp, dsa_plen))
703 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
707 DSA_set_ex_data(dkey, dsa_capi_idx, key);
709 if (!(ret = EVP_PKEY_new()))
712 EVP_PKEY_assign_DSA(ret, dkey);
718 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
719 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
720 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
727 OPENSSL_free(pubkey);
739 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
744 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
745 UI_METHOD *ui_method, void *callback_data)
750 ctx = ENGINE_get_ex_data(eng, capi_idx);
754 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
758 key = capi_find_key(ctx, key_id);
763 ret = capi_get_pkey(eng, key);
771 /* CryptoAPI RSA operations */
773 int capi_rsa_priv_enc(int flen, const unsigned char *from,
774 unsigned char *to, RSA *rsa, int padding)
776 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
780 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
781 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
791 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
793 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
795 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
798 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
801 /* Convert the signature type to a CryptoAPI algorithm ID */
813 alg = CALG_SSL3_SHAMD5;
818 BIO_snprintf(algstr, 10, "%lx", dtype);
819 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
820 ERR_add_error_data(2, "NID=0x", algstr);
827 /* Create the hash object */
828 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
830 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
834 /* Set the hash value to the value passed */
836 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
838 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
844 /* Finally sign it */
845 slen = RSA_size(rsa);
846 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
848 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
855 /* Inplace byte reversal of signature */
856 for(i = 0; i < slen / 2; i++)
860 sigret[i] = sigret[slen - i - 1];
861 sigret[slen - i - 1] = c;
869 CryptDestroyHash(hash);
874 int capi_rsa_priv_dec(int flen, const unsigned char *from,
875 unsigned char *to, RSA *rsa, int padding)
878 unsigned char *tmpbuf;
881 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
883 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
886 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
889 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
893 if(padding != RSA_PKCS1_PADDING)
896 BIO_snprintf(errstr, 10, "%d", padding);
897 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
898 ERR_add_error_data(2, "padding=", errstr);
902 /* Create temp reverse order version of input */
903 if(!(tmpbuf = OPENSSL_malloc(flen)) )
905 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
908 for(i = 0; i < flen; i++)
909 tmpbuf[flen - i - 1] = from[i];
911 /* Finally decrypt it */
912 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
914 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
916 OPENSSL_free(tmpbuf);
919 else memcpy(to, tmpbuf, flen);
921 OPENSSL_free(tmpbuf);
926 static int capi_rsa_free(RSA *rsa)
929 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
930 capi_free_key(capi_key);
931 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
935 /* CryptoAPI DSA operations */
937 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
945 unsigned char csigbuf[40];
947 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
949 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
951 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
955 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
961 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
965 /* Create the hash object */
966 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
968 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
973 /* Set the hash value to the value passed */
974 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
976 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
982 /* Finally sign it */
983 slen = sizeof(csigbuf);
984 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
986 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
997 if (!ret->r || !ret->s)
999 if (!lend_tobn(ret->r, csigbuf, 20)
1000 || !lend_tobn(ret->s, csigbuf + 20, 20))
1011 OPENSSL_cleanse(csigbuf, 40);
1012 CryptDestroyHash(hash);
1016 static int capi_dsa_free(DSA *dsa)
1019 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1020 capi_free_key(capi_key);
1021 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1025 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
1029 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1031 out = BIO_new_file(ctx->debug_file, "a+");
1032 BIO_vprintf(out, format, argptr);
1036 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1039 va_start(args, format);
1040 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1044 static void capi_addlasterror(void)
1046 capi_adderror(GetLastError());
1049 static void capi_adderror(DWORD err)
1052 BIO_snprintf(errstr, 10, "%lX", err);
1053 ERR_add_error_data(2, "Error code= 0x", errstr);
1056 static char *wide_to_asc(LPWSTR wstr)
1063 len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
1064 sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
1067 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1070 str = OPENSSL_malloc(sz);
1073 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1076 if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
1079 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1085 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1089 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1090 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len))
1092 err = GetLastError();
1093 if (err == ERROR_NO_MORE_ITEMS)
1095 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1099 name = OPENSSL_malloc(len);
1100 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len))
1102 err = GetLastError();
1103 if (err == ERROR_NO_MORE_ITEMS)
1105 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1110 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1115 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1119 LPSTR provname = NULL;
1120 CAPI_trace(ctx, "capi_list_providers\n");
1121 BIO_printf(out, "Available CSPs:\n");
1122 for(idx = 0; ; idx++)
1124 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1129 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1130 OPENSSL_free(provname);
1135 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1139 DWORD err, idx, flags, buflen = 0, clen;
1141 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1142 if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1144 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1145 capi_addlasterror();
1148 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1150 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1151 capi_addlasterror();
1154 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1157 cname = OPENSSL_malloc(buflen);
1160 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1164 for (idx = 0;;idx++)
1170 flags = CRYPT_FIRST;
1173 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1175 err = GetLastError();
1176 if (err == ERROR_NO_MORE_ITEMS)
1178 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1182 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1183 if (!cname[0] && (clen == buflen))
1185 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1188 BIO_printf(out, "%d. %s\n", idx, cname);
1196 OPENSSL_free(cname);
1197 CryptReleaseContext(hprov, 0);
1202 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1205 CRYPT_KEY_PROV_INFO *pinfo;
1207 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1209 pinfo = OPENSSL_malloc(len);
1212 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1215 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1217 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1218 capi_addlasterror();
1219 OPENSSL_free(pinfo);
1225 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1227 char *provname = NULL, *contname = NULL;
1230 BIO_printf(out, " No Private Key\n");
1233 provname = wide_to_asc(pinfo->pwszProvName);
1234 contname = wide_to_asc(pinfo->pwszContainerName);
1235 if (!provname || !contname)
1238 BIO_printf(out, " Private Key Info:\n");
1239 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1240 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1243 OPENSSL_free(provname);
1245 OPENSSL_free(contname);
1248 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1253 CAPI_trace(ctx, "capi_cert_get_fname\n");
1254 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1256 wfname = OPENSSL_malloc(dlen);
1257 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1259 char *fname = wide_to_asc(wfname);
1260 OPENSSL_free(wfname);
1263 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1264 capi_addlasterror();
1266 OPENSSL_free(wfname);
1271 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1275 unsigned long flags = ctx->dump_flags;
1276 if (flags & CAPI_DMP_FNAME)
1279 fname = capi_cert_get_fname(ctx, cert);
1282 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1283 OPENSSL_free(fname);
1286 BIO_printf(out, " <No Friendly Name>\n");
1289 p = cert->pbCertEncoded;
1290 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1292 BIO_printf(out, " <Can't parse certificate>\n");
1293 if (flags & CAPI_DMP_SUMMARY)
1295 BIO_printf(out, " Subject: ");
1296 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1297 BIO_printf(out, "\n Issuer: ");
1298 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1299 BIO_printf(out, "\n");
1301 if (flags & CAPI_DMP_FULL)
1302 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1304 if (flags & CAPI_DMP_PKEYINFO)
1306 CRYPT_KEY_PROV_INFO *pinfo;
1307 pinfo = capi_get_prov_info(ctx, cert);
1308 capi_dump_prov_info(ctx, out, pinfo);
1310 OPENSSL_free(pinfo);
1313 if (flags & CAPI_DMP_PEM)
1314 PEM_write_bio_X509(out, x);
1318 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1323 storename = ctx->storename;
1326 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1328 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1329 ctx->store_flags, storename);
1332 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1333 capi_addlasterror();
1338 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1344 PCCERT_CONTEXT cert = NULL;
1346 storename = ctx->storename;
1349 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1351 hstore = capi_open_store(ctx, storename);
1356 cert = capi_find_cert(ctx, id, hstore);
1362 capi_dump_cert(ctx, out, cert);
1363 CertFreeCertificateContext(cert);
1369 LPWSTR fname = NULL;
1370 cert = CertEnumCertificatesInStore(hstore, cert);
1373 BIO_printf(out, "Certificate %d\n", idx);
1374 capi_dump_cert(ctx, out, cert);
1378 CertCloseStore(hstore, 0);
1382 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1384 PCCERT_CONTEXT cert = NULL;
1387 switch(ctx->lookup_method)
1389 case CAPI_LU_SUBSTR:
1390 return CertFindCertificateInStore(hstore,
1391 X509_ASN_ENCODING, 0,
1392 CERT_FIND_SUBJECT_STR_A, id, NULL);
1396 cert = CertEnumCertificatesInStore(hstore, cert);
1399 fname = capi_cert_get_fname(ctx, cert);
1402 if (strcmp(fname, id))
1406 OPENSSL_free(fname);
1416 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1419 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1420 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1421 contname, provname, ptype);
1422 if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, 0))
1424 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1425 capi_addlasterror();
1428 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1430 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1431 capi_addlasterror();
1432 CryptReleaseContext(key->hprov, 0);
1435 key->keyspec = keyspec;
1444 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1446 CAPI_KEY *key = NULL;
1447 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1448 char *provname = NULL, *contname = NULL;
1449 pinfo = capi_get_prov_info(ctx, cert);
1452 provname = wide_to_asc(pinfo->pwszProvName);
1453 contname = wide_to_asc(pinfo->pwszContainerName);
1454 if (!provname || !contname)
1456 key = capi_get_key(ctx, contname, provname,
1457 pinfo->dwProvType, pinfo->dwKeySpec);
1461 OPENSSL_free(pinfo);
1463 OPENSSL_free(provname);
1465 OPENSSL_free(contname);
1469 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1471 PCCERT_CONTEXT cert;
1473 CAPI_KEY *key = NULL;
1474 switch (ctx->lookup_method)
1476 case CAPI_LU_SUBSTR:
1478 hstore = capi_open_store(ctx, NULL);
1481 cert = capi_find_cert(ctx, id, hstore);
1484 key = capi_get_cert_key(ctx, cert);
1485 CertFreeCertificateContext(cert);
1487 CertCloseStore(hstore, 0);
1490 case CAPI_LU_CONTNAME:
1491 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1499 void capi_free_key(CAPI_KEY *key)
1503 CryptDestroyKey(key->key);
1504 CryptReleaseContext(key->hprov, 0);
1506 CertFreeCertificateContext(key->pcert);
1511 /* Initialize a CAPI_CTX structure */
1513 static CAPI_CTX *capi_ctx_new()
1516 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1519 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1522 ctx->cspname = NULL;
1523 ctx->csptype = PROV_RSA_FULL;
1524 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1525 ctx->keytype = AT_KEYEXCHANGE;
1526 ctx->storename = NULL;
1527 ctx->ssl_client_store = NULL;
1528 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1529 CERT_STORE_READONLY_FLAG |
1530 CERT_SYSTEM_STORE_CURRENT_USER;
1531 ctx->lookup_method = CAPI_LU_SUBSTR;
1532 ctx->debug_level = 0;
1533 ctx->debug_file = NULL;
1534 ctx->client_cert_select = cert_select_simple;
1538 static void capi_ctx_free(CAPI_CTX *ctx)
1540 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1544 OPENSSL_free(ctx->cspname);
1545 if (ctx->debug_file)
1546 OPENSSL_free(ctx->debug_file);
1548 OPENSSL_free(ctx->storename);
1549 if (ctx->ssl_client_store)
1550 OPENSSL_free(ctx->ssl_client_store);
1554 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1556 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1560 if (!CryptAcquireContextA(&hprov, NULL, pname, type,
1561 CRYPT_VERIFYCONTEXT))
1563 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1564 capi_addlasterror();
1567 CryptReleaseContext(hprov, 0);
1569 ctx->cspname = BUF_strdup(pname);
1570 ctx->csptype = type;
1574 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1578 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1580 return capi_ctx_set_provname(ctx, pname, type, 0);
1583 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1587 /* Special case: empty list: match anything */
1588 if (sk_X509_NAME_num(ca_dn) <= 0)
1590 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1592 nm = sk_X509_NAME_value(ca_dn, i);
1593 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1601 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1602 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1603 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1605 STACK_OF(X509) *certs = NULL;
1609 int i, client_cert_idx;
1611 PCCERT_CONTEXT cert = NULL, excert = NULL;
1614 ctx = ENGINE_get_ex_data(e, capi_idx);
1619 storename = ctx->ssl_client_store;
1623 hstore = capi_open_store(ctx, storename);
1626 /* Enumerate all certificates collect any matches */
1629 cert = CertEnumCertificatesInStore(hstore, cert);
1632 p = cert->pbCertEncoded;
1633 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1636 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1639 if (cert_issuer_match(ca_dn, x)
1640 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
1642 key = capi_get_cert_key(ctx, cert);
1648 /* Match found: attach extra data to it so
1649 * we can retrieve the key later.
1651 excert = CertDuplicateCertificateContext(cert);
1652 key->pcert = excert;
1653 X509_set_ex_data(x, cert_capi_idx, key);
1656 certs = sk_X509_new_null();
1658 sk_X509_push(certs, x);
1666 CertFreeCertificateContext(cert);
1668 CertCloseStore(hstore, 0);
1674 /* Select the appropriate certificate */
1676 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1678 /* Set the selected certificate and free the rest */
1680 for(i = 0; i < sk_X509_num(certs); i++)
1682 x = sk_X509_value(certs, i);
1683 if (i == client_cert_idx)
1687 key = X509_get_ex_data(x, cert_capi_idx);
1693 sk_X509_free(certs);
1698 /* Setup key for selected certificate */
1700 key = X509_get_ex_data(*pcert, cert_capi_idx);
1701 *pkey = capi_get_pkey(e, key);
1702 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1709 /* Simple client cert selection function: always select first */
1711 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1716 #ifdef OPENSSL_CAPIENG_DIALOG
1718 /* More complex cert selection function, using standard function
1719 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1722 /* Definitions which are in cryptuiapi.h but this is not present in older
1723 * versions of headers.
1726 #ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1727 #define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1728 #define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1731 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1732 #define dlg_prompt L"Select a certificate to use for authentication"
1733 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1734 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1736 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1740 PCCERT_CONTEXT cert;
1745 if (sk_X509_num(certs) == 1)
1747 ctx = ENGINE_get_ex_data(e, capi_idx);
1748 /* Create an in memory store of certificates */
1749 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1750 CERT_STORE_CREATE_NEW_FLAG, NULL);
1753 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1754 capi_addlasterror();
1757 /* Add all certificates to store */
1758 for(i = 0; i < sk_X509_num(certs); i++)
1760 x = sk_X509_value(certs, i);
1761 key = X509_get_ex_data(x, cert_capi_idx);
1763 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1764 CERT_STORE_ADD_NEW, NULL))
1766 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1767 capi_addlasterror();
1772 hwnd = GetForegroundWindow();
1774 hwnd = GetActiveWindow();
1775 if (!hwnd && ctx->getconswindow)
1776 hwnd = ctx->getconswindow();
1777 /* Call dialog to select one */
1778 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1779 dlg_columns, 0, NULL);
1781 /* Find matching cert from list */
1784 for(i = 0; i < sk_X509_num(certs); i++)
1786 x = sk_X509_value(certs, i);
1787 key = X509_get_ex_data(x, cert_capi_idx);
1788 if (CertCompareCertificate(
1789 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1791 key->pcert->pCertInfo))
1801 CertCloseStore(dstore, 0);
1807 #else /* !__COMPILE_CAPIENG */
1808 #include <openssl/engine.h>
1809 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1811 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
1812 IMPLEMENT_DYNAMIC_CHECK_FN()
1814 void ENGINE_load_capi(void){}