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
74 #undef X509_EXTENSIONS
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"
98 static const char *engine_capi_id = "capi";
99 static const char *engine_capi_name = "CryptoAPI ENGINE";
101 typedef struct CAPI_CTX_st CAPI_CTX;
102 typedef struct CAPI_KEY_st CAPI_KEY;
104 static void capi_addlasterror(void);
105 static void capi_adderror(DWORD err);
107 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
109 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
110 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
111 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
112 void capi_free_key(CAPI_KEY *key);
114 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
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, unsigned int m_len,
121 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
122 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
123 unsigned char *to, RSA *rsa, int padding);
124 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
125 unsigned char *to, RSA *rsa, int padding);
126 static int capi_rsa_free(RSA *rsa);
128 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
130 static int capi_dsa_free(DSA *dsa);
132 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
133 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
134 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
136 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
137 #ifdef OPENSSL_CAPIENG_DIALOG
138 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
141 typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
142 LPCWSTR, DWORD, DWORD,
144 typedef HWND (WINAPI *GETCONSWIN)(void);
146 /* This structure contains CAPI ENGINE specific data:
147 * it contains various global options and affects how
148 * other functions behave.
151 #define CAPI_DBG_TRACE 2
152 #define CAPI_DBG_ERROR 1
157 /* Parameters to use for container lookup */
161 /* Certificate store name to use */
163 LPSTR ssl_client_store;
164 /* System store flags */
167 /* Lookup string meanings in load_private_key */
168 /* Substring of subject: uses "storename" */
169 #define CAPI_LU_SUBSTR 1
170 /* Friendly name: uses storename */
171 #define CAPI_LU_FNAME 2
172 /* Container name: uses cspname, keytype */
173 #define CAPI_LU_CONTNAME 3
175 /* Info to dump with dumpcerts option */
176 /* Issuer and serial name strings */
177 #define CAPI_DMP_SUMMARY 0x1
179 #define CAPI_DMP_FNAME 0x2
180 /* Full X509_print dump */
181 #define CAPI_DMP_FULL 0x4
182 /* Dump PEM format certificate */
183 #define CAPI_DMP_PEM 0x8
184 /* Dump pseudo key (if possible) */
185 #define CAPI_DMP_PSKEY 0x10
186 /* Dump key info (if possible) */
187 #define CAPI_DMP_PKEYINFO 0x20
190 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
192 CERTDLG certselectdlg;
193 GETCONSWIN getconswindow;
197 static CAPI_CTX *capi_ctx_new();
198 static void capi_ctx_free(CAPI_CTX *ctx);
199 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
200 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
202 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
203 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
204 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
205 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
206 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
207 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
208 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
209 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
210 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
211 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
212 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
213 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
214 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
215 #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
217 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
218 {CAPI_CMD_LIST_CERTS,
220 "List all certificates in store",
221 ENGINE_CMD_FLAG_NO_INPUT},
222 {CAPI_CMD_LOOKUP_CERT,
224 "Lookup and output certificates",
225 ENGINE_CMD_FLAG_STRING},
226 {CAPI_CMD_DEBUG_LEVEL,
228 "debug level (1=errors, 2=trace)",
229 ENGINE_CMD_FLAG_NUMERIC},
230 {CAPI_CMD_DEBUG_FILE,
232 "debugging filename)",
233 ENGINE_CMD_FLAG_STRING},
236 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
237 ENGINE_CMD_FLAG_NUMERIC},
241 ENGINE_CMD_FLAG_NO_INPUT},
242 {CAPI_CMD_SET_CSP_IDX,
245 ENGINE_CMD_FLAG_NUMERIC},
246 {CAPI_CMD_SET_CSP_NAME,
248 "Set CSP name, (default CSP used if not specified)",
249 ENGINE_CMD_FLAG_STRING},
250 {CAPI_CMD_SET_CSP_TYPE,
252 "Set CSP type, (default RSA_PROV_FULL)",
253 ENGINE_CMD_FLAG_NUMERIC},
254 {CAPI_CMD_LIST_CONTAINERS,
256 "list container names",
257 ENGINE_CMD_FLAG_NO_INPUT},
258 {CAPI_CMD_LIST_OPTIONS,
260 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
261 "32=private key info)",
262 ENGINE_CMD_FLAG_NUMERIC},
263 {CAPI_CMD_LOOKUP_METHOD,
265 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
266 ENGINE_CMD_FLAG_NUMERIC},
267 {CAPI_CMD_STORE_NAME,
269 "certificate store name, default \"MY\"",
270 ENGINE_CMD_FLAG_STRING},
271 {CAPI_CMD_STORE_FLAGS,
273 "Certificate store flags: 1 = system store",
274 ENGINE_CMD_FLAG_NUMERIC},
279 static int capi_idx = -1;
280 static int rsa_capi_idx = -1;
281 static int dsa_capi_idx = -1;
282 static int cert_capi_idx = -1;
284 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
291 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
294 ctx = ENGINE_get_ex_data(e, capi_idx);
295 out = BIO_new_fp(stdout, BIO_NOCLOSE);
298 case CAPI_CMD_LIST_CSPS:
299 ret = capi_list_providers(ctx, out);
302 case CAPI_CMD_LIST_CERTS:
303 ret = capi_list_certs(ctx, out, NULL);
306 case CAPI_CMD_LOOKUP_CERT:
307 ret = capi_list_certs(ctx, out, p);
310 case CAPI_CMD_LIST_CONTAINERS:
311 ret = capi_list_containers(ctx, out);
314 case CAPI_CMD_STORE_NAME:
316 OPENSSL_free(ctx->storename);
317 ctx->storename = BUF_strdup(p);
318 CAPI_trace(ctx, "Setting store name to %s\n", p);
321 case CAPI_CMD_STORE_FLAGS:
324 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
325 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
329 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
330 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
332 CAPI_trace(ctx, "Setting flags to %d\n", i);
335 case CAPI_CMD_DEBUG_LEVEL:
336 ctx->debug_level = (int)i;
337 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
340 case CAPI_CMD_DEBUG_FILE:
341 ctx->debug_file = BUF_strdup(p);
342 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
345 case CAPI_CMD_KEYTYPE:
347 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
350 case CAPI_CMD_SET_CSP_IDX:
351 ret = capi_ctx_set_provname_idx(ctx, i);
354 case CAPI_CMD_LIST_OPTIONS:
358 case CAPI_CMD_LOOKUP_METHOD:
361 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
364 ctx->lookup_method = i;
367 case CAPI_CMD_SET_CSP_NAME:
368 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
371 case CAPI_CMD_SET_CSP_TYPE:
376 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
385 static RSA_METHOD capi_rsa_method =
387 "CryptoAPI RSA method",
390 capi_rsa_priv_enc, /* priv_enc */
391 capi_rsa_priv_dec, /* priv_dec */
395 capi_rsa_free, /* finish */
396 RSA_FLAG_SIGN_VER, /* flags */
398 capi_rsa_sign, /* rsa_sign */
402 static DSA_METHOD capi_dsa_method =
404 "CryptoAPI DSA method",
405 capi_dsa_do_sign, /* dsa_do_sign */
406 0, /* dsa_sign_setup */
407 0, /* dsa_do_verify */
411 capi_dsa_free, /* finish */
414 0, /* dsa_paramgen */
418 static int capi_init(ENGINE *e)
421 const RSA_METHOD *ossl_rsa_meth;
422 const DSA_METHOD *ossl_dsa_meth;
426 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
430 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
432 /* Setup RSA_METHOD */
433 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
434 ossl_rsa_meth = RSA_PKCS1_SSLeay();
435 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
436 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
437 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
438 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
440 /* Setup DSA Method */
441 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
442 ossl_dsa_meth = DSA_OpenSSL();
443 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
444 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
445 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
448 ctx = capi_ctx_new();
452 ENGINE_set_ex_data(e, capi_idx, ctx);
454 #ifdef OPENSSL_CAPIENG_DIALOG
456 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
457 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
459 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
461 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
462 if (cryptui && !OPENSSL_isservice())
463 ctx->client_cert_select = cert_select_dialog;
471 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
477 static int capi_destroy(ENGINE *e)
479 ERR_unload_CAPI_strings();
483 static int capi_finish(ENGINE *e)
486 ctx = ENGINE_get_ex_data(e, capi_idx);
488 ENGINE_set_ex_data(e, capi_idx, NULL);
493 /* CryptoAPI key application data. This contains
494 * a handle to the private key container (for sign operations)
495 * and a handle to the key (for decrypt operations).
500 /* Associated certificate context (if any) */
501 PCCERT_CONTEXT pcert;
507 static int bind_capi(ENGINE *e)
509 if (!ENGINE_set_id(e, engine_capi_id)
510 || !ENGINE_set_name(e, engine_capi_name)
511 || !ENGINE_set_init_function(e, capi_init)
512 || !ENGINE_set_finish_function(e, capi_finish)
513 || !ENGINE_set_destroy_function(e, capi_destroy)
514 || !ENGINE_set_RSA(e, &capi_rsa_method)
515 || !ENGINE_set_DSA(e, &capi_dsa_method)
516 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
517 || !ENGINE_set_load_ssl_client_cert_function(e,
518 capi_load_ssl_client_cert)
519 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
520 || !ENGINE_set_ctrl_function(e, capi_ctrl))
522 ERR_load_CAPI_strings();
528 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
529 static int bind_helper(ENGINE *e, const char *id)
531 if(id && (strcmp(id, engine_capi_id) != 0))
537 IMPLEMENT_DYNAMIC_CHECK_FN()
538 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
540 static ENGINE *engine_capi(void)
542 ENGINE *ret = ENGINE_new();
553 void ENGINE_load_capi(void)
555 /* Copied from eng_[openssl|dyn].c */
556 ENGINE *toadd = engine_capi();
565 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
568 /* Reverse buffer in place: since this is a keyblob structure
569 * that will be freed up after conversion anyway it doesn't
570 * matter if we change it.
572 for(i = 0; i < binlen / 2; i++)
576 bin[i] = bin[binlen - i - 1];
577 bin[binlen - i - 1] = c;
580 if (!BN_bin2bn(bin, binlen, bn))
585 /* Given a CAPI_KEY get an EVP_PKEY structure */
587 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
589 unsigned char *pubkey = NULL;
594 EVP_PKEY *ret = NULL;
595 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
597 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
602 pubkey = OPENSSL_malloc(len);
607 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
609 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
614 bh = (BLOBHEADER *)pubkey;
615 if (bh->bType != PUBLICKEYBLOB)
617 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
620 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
624 unsigned char *rsa_modulus;
625 rp = (RSAPUBKEY *)(bh + 1);
626 if (rp->magic != 0x31415352)
629 BIO_snprintf(magstr, 10, "%lx", rp->magic);
630 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
631 ERR_add_error_data(2, "magic=0x", magstr);
634 rsa_modulus = (unsigned char *)(rp + 1);
635 rkey = RSA_new_method(eng);
642 if (!rkey->e || !rkey->n)
645 if (!BN_set_word(rkey->e, rp->pubexp))
648 rsa_modlen = rp->bitlen / 8;
649 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
652 RSA_set_ex_data(rkey, rsa_capi_idx, key);
654 if (!(ret = EVP_PKEY_new()))
657 EVP_PKEY_assign_RSA(ret, rkey);
661 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
666 dp = (DSSPUBKEY *)(bh + 1);
667 if (dp->magic != 0x31535344)
670 BIO_snprintf(magstr, 10, "%lx", dp->magic);
671 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
672 ERR_add_error_data(2, "magic=0x", magstr);
675 dsa_plen = dp->bitlen / 8;
676 btmp = (unsigned char *)(dp + 1);
677 dkey = DSA_new_method(eng);
683 dkey->pub_key = BN_new();
684 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
686 if (!lend_tobn(dkey->p, btmp, dsa_plen))
689 if (!lend_tobn(dkey->q, btmp, 20))
692 if (!lend_tobn(dkey->g, btmp, dsa_plen))
695 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
699 DSA_set_ex_data(dkey, dsa_capi_idx, key);
701 if (!(ret = EVP_PKEY_new()))
704 EVP_PKEY_assign_DSA(ret, dkey);
710 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
711 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
712 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
719 OPENSSL_free(pubkey);
731 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
736 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
737 UI_METHOD *ui_method, void *callback_data)
742 ctx = ENGINE_get_ex_data(eng, capi_idx);
746 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
750 key = capi_find_key(ctx, key_id);
755 ret = capi_get_pkey(eng, key);
763 /* CryptoAPI RSA operations */
765 int capi_rsa_priv_enc(int flen, const unsigned char *from,
766 unsigned char *to, RSA *rsa, int padding)
768 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
772 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
773 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
783 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
785 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
787 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
790 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
793 /* Convert the signature type to a CryptoAPI algorithm ID */
805 alg = CALG_SSL3_SHAMD5;
810 BIO_snprintf(algstr, 10, "%lx", dtype);
811 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
812 ERR_add_error_data(2, "NID=0x", algstr);
819 /* Create the hash object */
820 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
822 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
826 /* Set the hash value to the value passed */
828 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
830 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
836 /* Finally sign it */
837 slen = RSA_size(rsa);
838 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
840 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
847 /* Inplace byte reversal of signature */
848 for(i = 0; i < slen / 2; i++)
852 sigret[i] = sigret[slen - i - 1];
853 sigret[slen - i - 1] = c;
861 CryptDestroyHash(hash);
866 int capi_rsa_priv_dec(int flen, const unsigned char *from,
867 unsigned char *to, RSA *rsa, int padding)
870 unsigned char *tmpbuf;
873 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
875 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
878 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
881 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
885 if(padding != RSA_PKCS1_PADDING)
888 BIO_snprintf(errstr, 10, "%d", padding);
889 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
890 ERR_add_error_data(2, "padding=", errstr);
894 /* Create temp reverse order version of input */
895 if(!(tmpbuf = OPENSSL_malloc(flen)) )
897 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
900 for(i = 0; i < flen; i++)
901 tmpbuf[flen - i - 1] = from[i];
903 /* Finally decrypt it */
904 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
906 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
908 OPENSSL_free(tmpbuf);
911 else memcpy(to, tmpbuf, flen);
913 OPENSSL_free(tmpbuf);
918 static int capi_rsa_free(RSA *rsa)
921 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
922 capi_free_key(capi_key);
923 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
927 /* CryptoAPI DSA operations */
929 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
937 unsigned char csigbuf[40];
939 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
941 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
943 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
947 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
953 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
957 /* Create the hash object */
958 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
960 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
965 /* Set the hash value to the value passed */
966 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
968 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
974 /* Finally sign it */
975 slen = sizeof(csigbuf);
976 if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
978 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
989 if (!ret->r || !ret->s)
991 if (!lend_tobn(ret->r, csigbuf, 20)
992 || !lend_tobn(ret->s, csigbuf + 20, 20))
1003 OPENSSL_cleanse(csigbuf, 40);
1004 CryptDestroyHash(hash);
1008 static int capi_dsa_free(DSA *dsa)
1011 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1012 capi_free_key(capi_key);
1013 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1017 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
1021 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1023 out = BIO_new_file(ctx->debug_file, "a+");
1024 BIO_vprintf(out, format, argptr);
1028 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1031 va_start(args, format);
1032 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1036 static void capi_addlasterror(void)
1038 capi_adderror(GetLastError());
1041 static void capi_adderror(DWORD err)
1044 BIO_snprintf(errstr, 10, "%lX", err);
1045 ERR_add_error_data(2, "Error code= 0x", errstr);
1048 static char *wide_to_asc(LPWSTR wstr)
1055 len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
1056 sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
1059 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1062 str = OPENSSL_malloc(sz);
1065 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1068 if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
1071 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1077 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1081 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1082 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len))
1084 err = GetLastError();
1085 if (err == ERROR_NO_MORE_ITEMS)
1087 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1091 name = OPENSSL_malloc(len);
1092 if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len))
1094 err = GetLastError();
1095 if (err == ERROR_NO_MORE_ITEMS)
1097 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1102 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
1107 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1111 LPSTR provname = NULL;
1112 CAPI_trace(ctx, "capi_list_providers\n");
1113 BIO_printf(out, "Available CSPs:\n");
1114 for(idx = 0; ; idx++)
1116 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1121 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1122 OPENSSL_free(provname);
1127 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1131 DWORD err, idx, flags, buflen = 0, clen;
1133 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1134 if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1136 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1137 capi_addlasterror();
1140 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1142 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1143 capi_addlasterror();
1144 CryptReleaseContext(hprov, 0);
1147 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1150 cname = OPENSSL_malloc(buflen);
1153 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1157 for (idx = 0;;idx++)
1163 flags = CRYPT_FIRST;
1166 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1168 err = GetLastError();
1169 if (err == ERROR_NO_MORE_ITEMS)
1171 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1175 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1176 if (!cname[0] && (clen == buflen))
1178 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1181 BIO_printf(out, "%d. %s\n", idx, cname);
1189 OPENSSL_free(cname);
1190 CryptReleaseContext(hprov, 0);
1195 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1198 CRYPT_KEY_PROV_INFO *pinfo;
1200 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1202 pinfo = OPENSSL_malloc(len);
1205 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1208 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1210 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1211 capi_addlasterror();
1212 OPENSSL_free(pinfo);
1218 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1220 char *provname = NULL, *contname = NULL;
1223 BIO_printf(out, " No Private Key\n");
1226 provname = wide_to_asc(pinfo->pwszProvName);
1227 contname = wide_to_asc(pinfo->pwszContainerName);
1228 if (!provname || !contname)
1231 BIO_printf(out, " Private Key Info:\n");
1232 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1233 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1236 OPENSSL_free(provname);
1238 OPENSSL_free(contname);
1241 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1246 CAPI_trace(ctx, "capi_cert_get_fname\n");
1247 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1249 wfname = OPENSSL_malloc(dlen);
1250 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1252 char *fname = wide_to_asc(wfname);
1253 OPENSSL_free(wfname);
1256 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1257 capi_addlasterror();
1259 OPENSSL_free(wfname);
1264 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1268 unsigned long flags = ctx->dump_flags;
1269 if (flags & CAPI_DMP_FNAME)
1272 fname = capi_cert_get_fname(ctx, cert);
1275 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1276 OPENSSL_free(fname);
1279 BIO_printf(out, " <No Friendly Name>\n");
1282 p = cert->pbCertEncoded;
1283 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1285 BIO_printf(out, " <Can't parse certificate>\n");
1286 if (flags & CAPI_DMP_SUMMARY)
1288 BIO_printf(out, " Subject: ");
1289 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1290 BIO_printf(out, "\n Issuer: ");
1291 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1292 BIO_printf(out, "\n");
1294 if (flags & CAPI_DMP_FULL)
1295 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1297 if (flags & CAPI_DMP_PKEYINFO)
1299 CRYPT_KEY_PROV_INFO *pinfo;
1300 pinfo = capi_get_prov_info(ctx, cert);
1301 capi_dump_prov_info(ctx, out, pinfo);
1303 OPENSSL_free(pinfo);
1306 if (flags & CAPI_DMP_PEM)
1307 PEM_write_bio_X509(out, x);
1311 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1316 storename = ctx->storename;
1319 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1321 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1322 ctx->store_flags, storename);
1325 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1326 capi_addlasterror();
1331 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1337 PCCERT_CONTEXT cert = NULL;
1339 storename = ctx->storename;
1342 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1344 hstore = capi_open_store(ctx, storename);
1349 cert = capi_find_cert(ctx, id, hstore);
1355 capi_dump_cert(ctx, out, cert);
1356 CertFreeCertificateContext(cert);
1362 LPWSTR fname = NULL;
1363 cert = CertEnumCertificatesInStore(hstore, cert);
1366 BIO_printf(out, "Certificate %d\n", idx);
1367 capi_dump_cert(ctx, out, cert);
1371 CertCloseStore(hstore, 0);
1375 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1377 PCCERT_CONTEXT cert = NULL;
1380 switch(ctx->lookup_method)
1382 case CAPI_LU_SUBSTR:
1383 return CertFindCertificateInStore(hstore,
1384 X509_ASN_ENCODING, 0,
1385 CERT_FIND_SUBJECT_STR_A, id, NULL);
1389 cert = CertEnumCertificatesInStore(hstore, cert);
1392 fname = capi_cert_get_fname(ctx, cert);
1395 if (strcmp(fname, id))
1399 OPENSSL_free(fname);
1409 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1413 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1414 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1415 contname, provname, ptype);
1416 if(ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1417 dwFlags = CRYPT_MACHINE_KEYSET;
1418 if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, dwFlags))
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);
1566 OPENSSL_free(ctx->cspname);
1567 ctx->cspname = BUF_strdup(pname);
1568 ctx->csptype = type;
1572 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1577 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1579 res = capi_ctx_set_provname(ctx, pname, type, 0);
1580 OPENSSL_free(pname);
1584 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1588 /* Special case: empty list: match anything */
1589 if (sk_X509_NAME_num(ca_dn) <= 0)
1591 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1593 nm = sk_X509_NAME_value(ca_dn, i);
1594 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1602 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1603 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1604 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1606 STACK_OF(X509) *certs = NULL;
1610 int i, client_cert_idx;
1612 PCCERT_CONTEXT cert = NULL, excert = NULL;
1615 ctx = ENGINE_get_ex_data(e, capi_idx);
1620 storename = ctx->ssl_client_store;
1624 hstore = capi_open_store(ctx, storename);
1627 /* Enumerate all certificates collect any matches */
1630 cert = CertEnumCertificatesInStore(hstore, cert);
1633 p = cert->pbCertEncoded;
1634 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1637 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1640 if (cert_issuer_match(ca_dn, x)
1641 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
1643 key = capi_get_cert_key(ctx, cert);
1649 /* Match found: attach extra data to it so
1650 * we can retrieve the key later.
1652 excert = CertDuplicateCertificateContext(cert);
1653 key->pcert = excert;
1654 X509_set_ex_data(x, cert_capi_idx, key);
1657 certs = sk_X509_new_null();
1659 sk_X509_push(certs, x);
1667 CertFreeCertificateContext(cert);
1669 CertCloseStore(hstore, 0);
1675 /* Select the appropriate certificate */
1677 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1679 /* Set the selected certificate and free the rest */
1681 for(i = 0; i < sk_X509_num(certs); i++)
1683 x = sk_X509_value(certs, i);
1684 if (i == client_cert_idx)
1688 key = X509_get_ex_data(x, cert_capi_idx);
1694 sk_X509_free(certs);
1699 /* Setup key for selected certificate */
1701 key = X509_get_ex_data(*pcert, cert_capi_idx);
1702 *pkey = capi_get_pkey(e, key);
1703 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1710 /* Simple client cert selection function: always select first */
1712 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1717 #ifdef OPENSSL_CAPIENG_DIALOG
1719 /* More complex cert selection function, using standard function
1720 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1723 /* Definitions which are in cryptuiapi.h but this is not present in older
1724 * versions of headers.
1727 #ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1728 #define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1729 #define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1732 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1733 #define dlg_prompt L"Select a certificate to use for authentication"
1734 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1735 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1737 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1741 PCCERT_CONTEXT cert;
1746 if (sk_X509_num(certs) == 1)
1748 ctx = ENGINE_get_ex_data(e, capi_idx);
1749 /* Create an in memory store of certificates */
1750 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1751 CERT_STORE_CREATE_NEW_FLAG, NULL);
1754 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1755 capi_addlasterror();
1758 /* Add all certificates to store */
1759 for(i = 0; i < sk_X509_num(certs); i++)
1761 x = sk_X509_value(certs, i);
1762 key = X509_get_ex_data(x, cert_capi_idx);
1764 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1765 CERT_STORE_ADD_NEW, NULL))
1767 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1768 capi_addlasterror();
1773 hwnd = GetForegroundWindow();
1775 hwnd = GetActiveWindow();
1776 if (!hwnd && ctx->getconswindow)
1777 hwnd = ctx->getconswindow();
1778 /* Call dialog to select one */
1779 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1780 dlg_columns, 0, NULL);
1782 /* Find matching cert from list */
1785 for(i = 0; i < sk_X509_num(certs); i++)
1787 x = sk_X509_value(certs, i);
1788 key = X509_get_ex_data(x, cert_capi_idx);
1789 if (CertCompareCertificate(
1790 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1792 key->pcert->pCertInfo))
1802 CertCloseStore(dstore, 0);
1810 #include <openssl/engine.h>
1811 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1813 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
1814 IMPLEMENT_DYNAMIC_CHECK_FN()