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 * ====================================================================
59 #include <openssl/crypto.h>
61 #ifdef OPENSSL_SYS_WIN32
62 #ifndef OPENSSL_NO_CAPIENG
64 #include <openssl/buffer.h>
65 #include <openssl/bn.h>
66 #include <openssl/rsa.h>
69 #define _WIN32_WINNT 0x0400
76 # define alloca _alloca
80 * This module uses several "new" interfaces, among which is
81 * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
82 * one of possible values you can pass to function in question. By
83 * checking if it's defined we can see if wincrypt.h and accompanying
84 * crypt32.lib are in shape. The native MingW32 headers up to and
85 * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
86 * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
87 * so we check for these too and avoid compiling.
88 * Yes, it's rather "weak" test and if compilation fails,
89 * then re-configure with -DOPENSSL_NO_CAPIENG.
91 #if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
92 defined(CERT_STORE_PROV_SYSTEM_A) && \
93 defined(CERT_STORE_READONLY_FLAG)
94 # define __COMPILE_CAPIENG
95 #endif /* CERT_KEY_PROV_INFO_PROP_ID */
96 #endif /* OPENSSL_NO_CAPIENG */
97 #endif /* OPENSSL_SYS_WIN32 */
99 #ifdef __COMPILE_CAPIENG
101 #undef X509_EXTENSIONS
102 #undef X509_CERT_PAIR
104 /* Definitions which may be missing from earlier version of headers */
105 #ifndef CERT_STORE_OPEN_EXISTING_FLAG
106 #define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
109 #ifndef CERT_STORE_CREATE_NEW_FLAG
110 #define CERT_STORE_CREATE_NEW_FLAG 0x00002000
113 #ifndef CERT_SYSTEM_STORE_CURRENT_USER
114 #define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
117 #ifndef ALG_SID_SHA_256
118 #define ALG_SID_SHA_256 12
120 #ifndef ALG_SID_SHA_384
121 #define ALG_SID_SHA_384 13
123 #ifndef ALG_SID_SHA_512
124 #define ALG_SID_SHA_512 14
128 #define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
131 #define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
134 #define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
137 #include <openssl/engine.h>
138 #include <openssl/pem.h>
139 #include <openssl/x509v3.h>
141 #include "e_capi_err.h"
142 #include "e_capi_err.c"
145 static const char *engine_capi_id = "capi";
146 static const char *engine_capi_name = "CryptoAPI ENGINE";
148 typedef struct CAPI_CTX_st CAPI_CTX;
149 typedef struct CAPI_KEY_st CAPI_KEY;
151 static void capi_addlasterror(void);
152 static void capi_adderror(DWORD err);
154 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
156 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
157 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
158 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
159 void capi_free_key(CAPI_KEY *key);
161 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
163 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
165 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
166 UI_METHOD *ui_method, void *callback_data);
167 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
168 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
169 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
170 unsigned char *to, RSA *rsa, int padding);
171 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
172 unsigned char *to, RSA *rsa, int padding);
173 static int capi_rsa_free(RSA *rsa);
175 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
177 static int capi_dsa_free(DSA *dsa);
179 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
180 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
181 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
183 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
184 #ifdef OPENSSL_CAPIENG_DIALOG
185 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
188 typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
189 LPCWSTR, DWORD, DWORD,
191 typedef HWND (WINAPI *GETCONSWIN)(void);
193 /* This structure contains CAPI ENGINE specific data:
194 * it contains various global options and affects how
195 * other functions behave.
198 #define CAPI_DBG_TRACE 2
199 #define CAPI_DBG_ERROR 1
204 /* Parameters to use for container lookup */
208 /* Certificate store name to use */
210 LPSTR ssl_client_store;
211 /* System store flags */
214 /* Lookup string meanings in load_private_key */
215 /* Substring of subject: uses "storename" */
216 #define CAPI_LU_SUBSTR 1
217 /* Friendly name: uses storename */
218 #define CAPI_LU_FNAME 2
219 /* Container name: uses cspname, keytype */
220 #define CAPI_LU_CONTNAME 3
222 /* Info to dump with dumpcerts option */
223 /* Issuer and serial name strings */
224 #define CAPI_DMP_SUMMARY 0x1
226 #define CAPI_DMP_FNAME 0x2
227 /* Full X509_print dump */
228 #define CAPI_DMP_FULL 0x4
229 /* Dump PEM format certificate */
230 #define CAPI_DMP_PEM 0x8
231 /* Dump pseudo key (if possible) */
232 #define CAPI_DMP_PSKEY 0x10
233 /* Dump key info (if possible) */
234 #define CAPI_DMP_PKEYINFO 0x20
237 int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
239 CERTDLG certselectdlg;
240 GETCONSWIN getconswindow;
244 static CAPI_CTX *capi_ctx_new();
245 static void capi_ctx_free(CAPI_CTX *ctx);
246 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
247 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
249 #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
250 #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
251 #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
252 #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
253 #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
254 #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
255 #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
256 #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
257 #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
258 #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
259 #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
260 #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
261 #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
262 #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
264 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
265 {CAPI_CMD_LIST_CERTS,
267 "List all certificates in store",
268 ENGINE_CMD_FLAG_NO_INPUT},
269 {CAPI_CMD_LOOKUP_CERT,
271 "Lookup and output certificates",
272 ENGINE_CMD_FLAG_STRING},
273 {CAPI_CMD_DEBUG_LEVEL,
275 "debug level (1=errors, 2=trace)",
276 ENGINE_CMD_FLAG_NUMERIC},
277 {CAPI_CMD_DEBUG_FILE,
279 "debugging filename)",
280 ENGINE_CMD_FLAG_STRING},
283 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
284 ENGINE_CMD_FLAG_NUMERIC},
288 ENGINE_CMD_FLAG_NO_INPUT},
289 {CAPI_CMD_SET_CSP_IDX,
292 ENGINE_CMD_FLAG_NUMERIC},
293 {CAPI_CMD_SET_CSP_NAME,
295 "Set CSP name, (default CSP used if not specified)",
296 ENGINE_CMD_FLAG_STRING},
297 {CAPI_CMD_SET_CSP_TYPE,
299 "Set CSP type, (default RSA_PROV_FULL)",
300 ENGINE_CMD_FLAG_NUMERIC},
301 {CAPI_CMD_LIST_CONTAINERS,
303 "list container names",
304 ENGINE_CMD_FLAG_NO_INPUT},
305 {CAPI_CMD_LIST_OPTIONS,
307 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
308 "32=private key info)",
309 ENGINE_CMD_FLAG_NUMERIC},
310 {CAPI_CMD_LOOKUP_METHOD,
312 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
313 ENGINE_CMD_FLAG_NUMERIC},
314 {CAPI_CMD_STORE_NAME,
316 "certificate store name, default \"MY\"",
317 ENGINE_CMD_FLAG_STRING},
318 {CAPI_CMD_STORE_FLAGS,
320 "Certificate store flags: 1 = system store",
321 ENGINE_CMD_FLAG_NUMERIC},
326 static int capi_idx = -1;
327 static int rsa_capi_idx = -1;
328 static int dsa_capi_idx = -1;
329 static int cert_capi_idx = -1;
331 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
338 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
341 ctx = ENGINE_get_ex_data(e, capi_idx);
342 out = BIO_new_fp(stdout, BIO_NOCLOSE);
345 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
350 case CAPI_CMD_LIST_CSPS:
351 ret = capi_list_providers(ctx, out);
354 case CAPI_CMD_LIST_CERTS:
355 ret = capi_list_certs(ctx, out, NULL);
358 case CAPI_CMD_LOOKUP_CERT:
359 ret = capi_list_certs(ctx, out, p);
362 case CAPI_CMD_LIST_CONTAINERS:
363 ret = capi_list_containers(ctx, out);
366 case CAPI_CMD_STORE_NAME:
368 OPENSSL_free(ctx->storename);
369 ctx->storename = BUF_strdup(p);
370 CAPI_trace(ctx, "Setting store name to %s\n", p);
373 case CAPI_CMD_STORE_FLAGS:
376 ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
377 ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
381 ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
382 ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
384 CAPI_trace(ctx, "Setting flags to %d\n", i);
387 case CAPI_CMD_DEBUG_LEVEL:
388 ctx->debug_level = (int)i;
389 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
392 case CAPI_CMD_DEBUG_FILE:
393 ctx->debug_file = BUF_strdup(p);
394 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
397 case CAPI_CMD_KEYTYPE:
399 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
402 case CAPI_CMD_SET_CSP_IDX:
403 ret = capi_ctx_set_provname_idx(ctx, i);
406 case CAPI_CMD_LIST_OPTIONS:
410 case CAPI_CMD_LOOKUP_METHOD:
413 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
417 ctx->lookup_method = i;
420 case CAPI_CMD_SET_CSP_NAME:
421 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
424 case CAPI_CMD_SET_CSP_TYPE:
429 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
438 static RSA_METHOD capi_rsa_method =
440 "CryptoAPI RSA method",
443 capi_rsa_priv_enc, /* priv_enc */
444 capi_rsa_priv_dec, /* priv_dec */
448 capi_rsa_free, /* finish */
449 RSA_FLAG_SIGN_VER, /* flags */
451 capi_rsa_sign, /* rsa_sign */
455 static DSA_METHOD capi_dsa_method =
457 "CryptoAPI DSA method",
458 capi_dsa_do_sign, /* dsa_do_sign */
459 0, /* dsa_sign_setup */
460 0, /* dsa_do_verify */
464 capi_dsa_free, /* finish */
467 0, /* dsa_paramgen */
471 static int capi_init(ENGINE *e)
474 const RSA_METHOD *ossl_rsa_meth;
475 const DSA_METHOD *ossl_dsa_meth;
479 capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
483 cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
485 /* Setup RSA_METHOD */
486 rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
487 ossl_rsa_meth = RSA_PKCS1_SSLeay();
488 capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
489 capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
490 capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
491 capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
493 /* Setup DSA Method */
494 dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
495 ossl_dsa_meth = DSA_OpenSSL();
496 capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
497 capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
498 capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
501 ctx = capi_ctx_new();
505 ENGINE_set_ex_data(e, capi_idx, ctx);
507 #ifdef OPENSSL_CAPIENG_DIALOG
509 HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
510 HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
512 ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
514 ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
515 if (cryptui && !OPENSSL_isservice())
516 ctx->client_cert_select = cert_select_dialog;
524 CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
530 static int capi_destroy(ENGINE *e)
532 ERR_unload_CAPI_strings();
536 static int capi_finish(ENGINE *e)
539 ctx = ENGINE_get_ex_data(e, capi_idx);
541 ENGINE_set_ex_data(e, capi_idx, NULL);
546 /* CryptoAPI key application data. This contains
547 * a handle to the private key container (for sign operations)
548 * and a handle to the key (for decrypt operations).
553 /* Associated certificate context (if any) */
554 PCCERT_CONTEXT pcert;
560 static int bind_capi(ENGINE *e)
562 if (!ENGINE_set_id(e, engine_capi_id)
563 || !ENGINE_set_name(e, engine_capi_name)
564 || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
565 || !ENGINE_set_init_function(e, capi_init)
566 || !ENGINE_set_finish_function(e, capi_finish)
567 || !ENGINE_set_destroy_function(e, capi_destroy)
568 || !ENGINE_set_RSA(e, &capi_rsa_method)
569 || !ENGINE_set_DSA(e, &capi_dsa_method)
570 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
571 || !ENGINE_set_load_ssl_client_cert_function(e,
572 capi_load_ssl_client_cert)
573 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
574 || !ENGINE_set_ctrl_function(e, capi_ctrl))
576 ERR_load_CAPI_strings();
582 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
583 static int bind_helper(ENGINE *e, const char *id)
585 if(id && (strcmp(id, engine_capi_id) != 0))
591 IMPLEMENT_DYNAMIC_CHECK_FN()
592 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
594 static ENGINE *engine_capi(void)
596 ENGINE *ret = ENGINE_new();
607 void ENGINE_load_capi(void)
609 /* Copied from eng_[openssl|dyn].c */
610 ENGINE *toadd = engine_capi();
619 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
622 /* Reverse buffer in place: since this is a keyblob structure
623 * that will be freed up after conversion anyway it doesn't
624 * matter if we change it.
626 for(i = 0; i < binlen / 2; i++)
630 bin[i] = bin[binlen - i - 1];
631 bin[binlen - i - 1] = c;
634 if (!BN_bin2bn(bin, binlen, bn))
639 /* Given a CAPI_KEY get an EVP_PKEY structure */
641 static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
643 unsigned char *pubkey = NULL;
648 EVP_PKEY *ret = NULL;
649 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
651 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
656 pubkey = OPENSSL_malloc(len);
661 if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
663 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
668 bh = (BLOBHEADER *)pubkey;
669 if (bh->bType != PUBLICKEYBLOB)
671 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
674 if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
678 unsigned char *rsa_modulus;
679 rp = (RSAPUBKEY *)(bh + 1);
680 if (rp->magic != 0x31415352)
683 BIO_snprintf(magstr, 10, "%lx", rp->magic);
684 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
685 ERR_add_error_data(2, "magic=0x", magstr);
688 rsa_modulus = (unsigned char *)(rp + 1);
689 rkey = RSA_new_method(eng);
696 if (!rkey->e || !rkey->n)
699 if (!BN_set_word(rkey->e, rp->pubexp))
702 rsa_modlen = rp->bitlen / 8;
703 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
706 RSA_set_ex_data(rkey, rsa_capi_idx, key);
708 if (!(ret = EVP_PKEY_new()))
711 EVP_PKEY_assign_RSA(ret, rkey);
715 else if (bh->aiKeyAlg == CALG_DSS_SIGN)
720 dp = (DSSPUBKEY *)(bh + 1);
721 if (dp->magic != 0x31535344)
724 BIO_snprintf(magstr, 10, "%lx", dp->magic);
725 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
726 ERR_add_error_data(2, "magic=0x", magstr);
729 dsa_plen = dp->bitlen / 8;
730 btmp = (unsigned char *)(dp + 1);
731 dkey = DSA_new_method(eng);
737 dkey->pub_key = BN_new();
738 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
740 if (!lend_tobn(dkey->p, btmp, dsa_plen))
743 if (!lend_tobn(dkey->q, btmp, 20))
746 if (!lend_tobn(dkey->g, btmp, dsa_plen))
749 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
753 DSA_set_ex_data(dkey, dsa_capi_idx, key);
755 if (!(ret = EVP_PKEY_new()))
758 EVP_PKEY_assign_DSA(ret, dkey);
764 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
765 CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
766 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
773 OPENSSL_free(pubkey);
785 CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
790 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
791 UI_METHOD *ui_method, void *callback_data)
796 ctx = ENGINE_get_ex_data(eng, capi_idx);
800 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
804 key = capi_find_key(ctx, key_id);
809 ret = capi_get_pkey(eng, key);
817 /* CryptoAPI RSA operations */
819 int capi_rsa_priv_enc(int flen, const unsigned char *from,
820 unsigned char *to, RSA *rsa, int padding)
822 CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
826 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
827 unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
837 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
839 CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
841 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
844 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
847 /* Convert the signature type to a CryptoAPI algorithm ID */
871 alg = CALG_SSL3_SHAMD5;
876 BIO_snprintf(algstr, 10, "%lx", dtype);
877 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
878 ERR_add_error_data(2, "NID=0x", algstr);
885 /* Create the hash object */
886 if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
888 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
892 /* Set the hash value to the value passed */
894 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
896 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
902 /* Finally sign it */
903 slen = RSA_size(rsa);
904 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
906 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
913 /* Inplace byte reversal of signature */
914 for(i = 0; i < slen / 2; i++)
918 sigret[i] = sigret[slen - i - 1];
919 sigret[slen - i - 1] = c;
927 CryptDestroyHash(hash);
932 int capi_rsa_priv_dec(int flen, const unsigned char *from,
933 unsigned char *to, RSA *rsa, int padding)
936 unsigned char *tmpbuf;
939 ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
941 CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
944 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
947 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
951 if(padding != RSA_PKCS1_PADDING)
954 BIO_snprintf(errstr, 10, "%d", padding);
955 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
956 ERR_add_error_data(2, "padding=", errstr);
960 /* Create temp reverse order version of input */
961 if(!(tmpbuf = OPENSSL_malloc(flen)) )
963 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
966 for(i = 0; i < flen; i++)
967 tmpbuf[flen - i - 1] = from[i];
969 /* Finally decrypt it */
970 if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
972 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
974 OPENSSL_free(tmpbuf);
977 else memcpy(to, tmpbuf, flen);
979 OPENSSL_free(tmpbuf);
984 static int capi_rsa_free(RSA *rsa)
987 capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
988 capi_free_key(capi_key);
989 RSA_set_ex_data(rsa, rsa_capi_idx, 0);
993 /* CryptoAPI DSA operations */
995 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
1000 DSA_SIG *ret = NULL;
1003 unsigned char csigbuf[40];
1005 ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
1007 CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
1009 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1013 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
1019 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
1023 /* Create the hash object */
1024 if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
1026 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
1027 capi_addlasterror();
1031 /* Set the hash value to the value passed */
1032 if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
1034 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
1035 capi_addlasterror();
1040 /* Finally sign it */
1041 slen = sizeof(csigbuf);
1042 if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
1044 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
1045 capi_addlasterror();
1050 ret = DSA_SIG_new();
1055 if (!ret->r || !ret->s)
1057 if (!lend_tobn(ret->r, csigbuf, 20)
1058 || !lend_tobn(ret->s, csigbuf + 20, 20))
1069 OPENSSL_cleanse(csigbuf, 40);
1070 CryptDestroyHash(hash);
1074 static int capi_dsa_free(DSA *dsa)
1077 capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
1078 capi_free_key(capi_key);
1079 DSA_set_ex_data(dsa, dsa_capi_idx, 0);
1083 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
1087 if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
1089 out = BIO_new_file(ctx->debug_file, "a+");
1092 CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
1095 BIO_vprintf(out, format, argptr);
1099 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
1102 va_start(args, format);
1103 capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
1107 static void capi_addlasterror(void)
1109 capi_adderror(GetLastError());
1112 static void capi_adderror(DWORD err)
1115 BIO_snprintf(errstr, 10, "%lX", err);
1116 ERR_add_error_data(2, "Error code= 0x", errstr);
1119 static char *wide_to_asc(LPCWSTR wstr)
1126 len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
1127 sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
1130 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1133 str = OPENSSL_malloc(sz);
1136 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
1139 if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
1142 CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
1148 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
1152 CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
1153 if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
1155 err = GetLastError();
1156 if (err == ERROR_NO_MORE_ITEMS)
1158 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1162 name = OPENSSL_malloc(len);
1165 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
1168 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
1170 err = GetLastError();
1172 if (err == ERROR_NO_MORE_ITEMS)
1174 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
1178 if (sizeof(TCHAR) != sizeof(char))
1180 *pname = wide_to_asc((WCHAR *)name);
1186 *pname = (char *)name;
1187 CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname, *ptype);
1192 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
1196 LPSTR provname = NULL;
1197 CAPI_trace(ctx, "capi_list_providers\n");
1198 BIO_printf(out, "Available CSPs:\n");
1199 for(idx = 0; ; idx++)
1201 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1206 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1207 OPENSSL_free(provname);
1212 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1216 DWORD err, idx, flags, buflen = 0, clen;
1218 LPTSTR cspname = NULL;
1220 CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1221 if (ctx->cspname && sizeof(TCHAR)!=sizeof(char))
1223 if ((clen=MultiByteToWideChar(CP_ACP,0,ctx->cspname,-1,NULL,0)))
1225 cspname = alloca(clen*sizeof(WCHAR));
1226 MultiByteToWideChar(CP_ACP,0,ctx->cspname,-1,(WCHAR *)cspname,clen);
1230 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1231 capi_addlasterror();
1236 cspname = (TCHAR *)ctx->cspname;
1237 if (!CryptAcquireContext(&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1239 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1240 capi_addlasterror();
1243 if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1245 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1246 capi_addlasterror();
1247 CryptReleaseContext(hprov, 0);
1250 CAPI_trace(ctx, "Got max container len %d\n", buflen);
1253 cname = OPENSSL_malloc(buflen);
1256 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1260 for (idx = 0;;idx++)
1266 flags = CRYPT_FIRST;
1269 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, (BYTE *)cname, &clen, flags))
1271 err = GetLastError();
1272 if (err == ERROR_NO_MORE_ITEMS)
1274 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1278 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1279 if (!cname[0] && (clen == buflen))
1281 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1284 BIO_printf(out, "%d. %s\n", idx, cname);
1292 OPENSSL_free(cname);
1293 CryptReleaseContext(hprov, 0);
1298 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1301 CRYPT_KEY_PROV_INFO *pinfo;
1303 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1305 pinfo = OPENSSL_malloc(len);
1308 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1311 if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1313 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1314 capi_addlasterror();
1315 OPENSSL_free(pinfo);
1321 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1323 char *provname = NULL, *contname = NULL;
1326 BIO_printf(out, " No Private Key\n");
1329 provname = wide_to_asc(pinfo->pwszProvName);
1330 contname = wide_to_asc(pinfo->pwszContainerName);
1331 if (!provname || !contname)
1334 BIO_printf(out, " Private Key Info:\n");
1335 BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
1336 BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1339 OPENSSL_free(provname);
1341 OPENSSL_free(contname);
1344 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1349 CAPI_trace(ctx, "capi_cert_get_fname\n");
1350 if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1352 wfname = OPENSSL_malloc(dlen);
1355 if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1357 char *fname = wide_to_asc(wfname);
1358 OPENSSL_free(wfname);
1361 CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1362 capi_addlasterror();
1364 OPENSSL_free(wfname);
1369 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1373 unsigned long flags = ctx->dump_flags;
1374 if (flags & CAPI_DMP_FNAME)
1377 fname = capi_cert_get_fname(ctx, cert);
1380 BIO_printf(out, " Friendly Name \"%s\"\n", fname);
1381 OPENSSL_free(fname);
1384 BIO_printf(out, " <No Friendly Name>\n");
1387 p = cert->pbCertEncoded;
1388 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1390 BIO_printf(out, " <Can't parse certificate>\n");
1391 if (flags & CAPI_DMP_SUMMARY)
1393 BIO_printf(out, " Subject: ");
1394 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1395 BIO_printf(out, "\n Issuer: ");
1396 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1397 BIO_printf(out, "\n");
1399 if (flags & CAPI_DMP_FULL)
1400 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1402 if (flags & CAPI_DMP_PKEYINFO)
1404 CRYPT_KEY_PROV_INFO *pinfo;
1405 pinfo = capi_get_prov_info(ctx, cert);
1406 capi_dump_prov_info(ctx, out, pinfo);
1408 OPENSSL_free(pinfo);
1411 if (flags & CAPI_DMP_PEM)
1412 PEM_write_bio_X509(out, x);
1416 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1421 storename = ctx->storename;
1424 CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1426 hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
1427 ctx->store_flags, storename);
1430 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1431 capi_addlasterror();
1436 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1442 PCCERT_CONTEXT cert = NULL;
1444 storename = ctx->storename;
1447 CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1449 hstore = capi_open_store(ctx, storename);
1454 cert = capi_find_cert(ctx, id, hstore);
1460 capi_dump_cert(ctx, out, cert);
1461 CertFreeCertificateContext(cert);
1467 cert = CertEnumCertificatesInStore(hstore, cert);
1470 BIO_printf(out, "Certificate %d\n", idx);
1471 capi_dump_cert(ctx, out, cert);
1475 CertCloseStore(hstore, 0);
1479 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1481 PCCERT_CONTEXT cert = NULL;
1484 switch(ctx->lookup_method)
1486 case CAPI_LU_SUBSTR:
1487 return CertFindCertificateInStore(hstore,
1488 X509_ASN_ENCODING, 0,
1489 CERT_FIND_SUBJECT_STR_A, id, NULL);
1493 cert = CertEnumCertificatesInStore(hstore, cert);
1496 fname = capi_cert_get_fname(ctx, cert);
1499 if (strcmp(fname, id))
1503 OPENSSL_free(fname);
1513 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const TCHAR *contname, TCHAR *provname, DWORD ptype, DWORD keyspec)
1517 key = OPENSSL_malloc(sizeof(CAPI_KEY));
1520 if (sizeof(TCHAR)==sizeof(char))
1521 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1522 contname, provname, ptype);
1523 else if (ctx && ctx->debug_level>=CAPI_DBG_TRACE && ctx->debug_file)
1525 /* above 'if' is optimization to minimize malloc-ations */
1526 char *_contname = wide_to_asc((WCHAR *)contname);
1527 char *_provname = wide_to_asc((WCHAR *)provname);
1529 CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1530 _contname, _provname, ptype);
1531 if (_provname) OPENSSL_free(_provname);
1532 if (_contname) OPENSSL_free(_contname);
1534 if(ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
1535 dwFlags = CRYPT_MACHINE_KEYSET;
1536 if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags))
1538 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1539 capi_addlasterror();
1542 if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1544 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1545 capi_addlasterror();
1546 CryptReleaseContext(key->hprov, 0);
1549 key->keyspec = keyspec;
1558 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1560 CAPI_KEY *key = NULL;
1561 CRYPT_KEY_PROV_INFO *pinfo = NULL;
1562 char *provname = NULL, *contname = NULL;
1563 pinfo = capi_get_prov_info(ctx, cert);
1566 if (sizeof(TCHAR) != sizeof(char))
1567 key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
1568 (TCHAR *)pinfo->pwszProvName,
1569 pinfo->dwProvType, pinfo->dwKeySpec);
1572 provname = wide_to_asc(pinfo->pwszProvName);
1573 contname = wide_to_asc(pinfo->pwszContainerName);
1574 if (!provname || !contname)
1576 key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
1577 pinfo->dwProvType, pinfo->dwKeySpec);
1582 OPENSSL_free(pinfo);
1584 OPENSSL_free(provname);
1586 OPENSSL_free(contname);
1590 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1592 PCCERT_CONTEXT cert;
1594 CAPI_KEY *key = NULL;
1595 switch (ctx->lookup_method)
1597 case CAPI_LU_SUBSTR:
1599 hstore = capi_open_store(ctx, NULL);
1602 cert = capi_find_cert(ctx, id, hstore);
1605 key = capi_get_cert_key(ctx, cert);
1606 CertFreeCertificateContext(cert);
1608 CertCloseStore(hstore, 0);
1611 case CAPI_LU_CONTNAME:
1612 if (sizeof(TCHAR)!=sizeof(char))
1614 WCHAR *contname, *provname;
1617 if ((len=MultiByteToWideChar(CP_ACP,0,id,-1,NULL,0)) &&
1618 (contname=alloca(len*sizeof(WCHAR)),
1619 MultiByteToWideChar(CP_ACP,0,id,-1,contname,len)) &&
1620 (len=MultiByteToWideChar(CP_ACP,0,ctx->cspname,-1,NULL,0)) &&
1621 (provname=alloca(len*sizeof(WCHAR)),
1622 MultiByteToWideChar(CP_ACP,0,ctx->cspname,-1,provname,len)))
1623 key = capi_get_key(ctx,(TCHAR *)contname,
1625 ctx->csptype,ctx->keytype);
1628 key = capi_get_key(ctx, (TCHAR *)id,
1629 (TCHAR *)ctx->cspname,
1630 ctx->csptype,ctx->keytype);
1637 void capi_free_key(CAPI_KEY *key)
1641 CryptDestroyKey(key->key);
1642 CryptReleaseContext(key->hprov, 0);
1644 CertFreeCertificateContext(key->pcert);
1649 /* Initialize a CAPI_CTX structure */
1651 static CAPI_CTX *capi_ctx_new()
1654 ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1657 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1660 ctx->cspname = NULL;
1661 ctx->csptype = PROV_RSA_FULL;
1662 ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1663 ctx->keytype = AT_KEYEXCHANGE;
1664 ctx->storename = NULL;
1665 ctx->ssl_client_store = NULL;
1666 ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
1667 CERT_STORE_READONLY_FLAG |
1668 CERT_SYSTEM_STORE_CURRENT_USER;
1669 ctx->lookup_method = CAPI_LU_SUBSTR;
1670 ctx->debug_level = 0;
1671 ctx->debug_file = NULL;
1672 ctx->client_cert_select = cert_select_simple;
1676 static void capi_ctx_free(CAPI_CTX *ctx)
1678 CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1682 OPENSSL_free(ctx->cspname);
1683 if (ctx->debug_file)
1684 OPENSSL_free(ctx->debug_file);
1686 OPENSSL_free(ctx->storename);
1687 if (ctx->ssl_client_store)
1688 OPENSSL_free(ctx->ssl_client_store);
1692 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1694 CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1700 if (sizeof(TCHAR)!=sizeof(char))
1703 if ((len=MultiByteToWideChar(CP_ACP,0,pname,-1,NULL,0)))
1705 name = alloca(len*sizeof(WCHAR));
1706 MultiByteToWideChar(CP_ACP,0,pname,-1,(WCHAR *)name,len);
1710 name = (TCHAR *)pname;
1712 if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
1713 CRYPT_VERIFYCONTEXT))
1715 CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1716 capi_addlasterror();
1719 CryptReleaseContext(hprov, 0);
1722 OPENSSL_free(ctx->cspname);
1723 ctx->cspname = BUF_strdup(pname);
1724 ctx->csptype = type;
1728 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1733 if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1735 res = capi_ctx_set_provname(ctx, pname, type, 0);
1736 OPENSSL_free(pname);
1740 static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
1744 /* Special case: empty list: match anything */
1745 if (sk_X509_NAME_num(ca_dn) <= 0)
1747 for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
1749 nm = sk_X509_NAME_value(ca_dn, i);
1750 if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
1758 static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
1759 STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
1760 STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
1762 STACK_OF(X509) *certs = NULL;
1766 int i, client_cert_idx;
1768 PCCERT_CONTEXT cert = NULL, excert = NULL;
1771 ctx = ENGINE_get_ex_data(e, capi_idx);
1776 storename = ctx->ssl_client_store;
1780 hstore = capi_open_store(ctx, storename);
1783 /* Enumerate all certificates collect any matches */
1786 cert = CertEnumCertificatesInStore(hstore, cert);
1789 p = cert->pbCertEncoded;
1790 x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1793 CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
1796 if (cert_issuer_match(ca_dn, x)
1797 && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
1799 key = capi_get_cert_key(ctx, cert);
1805 /* Match found: attach extra data to it so
1806 * we can retrieve the key later.
1808 excert = CertDuplicateCertificateContext(cert);
1809 key->pcert = excert;
1810 X509_set_ex_data(x, cert_capi_idx, key);
1813 certs = sk_X509_new_null();
1815 sk_X509_push(certs, x);
1823 CertFreeCertificateContext(cert);
1825 CertCloseStore(hstore, 0);
1831 /* Select the appropriate certificate */
1833 client_cert_idx = ctx->client_cert_select(e, ssl, certs);
1835 /* Set the selected certificate and free the rest */
1837 for(i = 0; i < sk_X509_num(certs); i++)
1839 x = sk_X509_value(certs, i);
1840 if (i == client_cert_idx)
1844 key = X509_get_ex_data(x, cert_capi_idx);
1850 sk_X509_free(certs);
1855 /* Setup key for selected certificate */
1857 key = X509_get_ex_data(*pcert, cert_capi_idx);
1858 *pkey = capi_get_pkey(e, key);
1859 X509_set_ex_data(*pcert, cert_capi_idx, NULL);
1866 /* Simple client cert selection function: always select first */
1868 static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1873 #ifdef OPENSSL_CAPIENG_DIALOG
1875 /* More complex cert selection function, using standard function
1876 * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
1879 /* Definitions which are in cryptuiapi.h but this is not present in older
1880 * versions of headers.
1883 #ifndef CRYPTUI_SELECT_LOCATION_COLUMN
1884 #define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
1885 #define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
1888 #define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
1889 #define dlg_prompt L"Select a certificate to use for authentication"
1890 #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
1891 |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
1893 static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
1897 PCCERT_CONTEXT cert;
1902 if (sk_X509_num(certs) == 1)
1904 ctx = ENGINE_get_ex_data(e, capi_idx);
1905 /* Create an in memory store of certificates */
1906 dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
1907 CERT_STORE_CREATE_NEW_FLAG, NULL);
1910 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
1911 capi_addlasterror();
1914 /* Add all certificates to store */
1915 for(i = 0; i < sk_X509_num(certs); i++)
1917 x = sk_X509_value(certs, i);
1918 key = X509_get_ex_data(x, cert_capi_idx);
1920 if (!CertAddCertificateContextToStore(dstore, key->pcert,
1921 CERT_STORE_ADD_NEW, NULL))
1923 CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
1924 capi_addlasterror();
1929 hwnd = GetForegroundWindow();
1931 hwnd = GetActiveWindow();
1932 if (!hwnd && ctx->getconswindow)
1933 hwnd = ctx->getconswindow();
1934 /* Call dialog to select one */
1935 cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
1936 dlg_columns, 0, NULL);
1938 /* Find matching cert from list */
1941 for(i = 0; i < sk_X509_num(certs); i++)
1943 x = sk_X509_value(certs, i);
1944 key = X509_get_ex_data(x, cert_capi_idx);
1945 if (CertCompareCertificate(
1946 X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
1948 key->pcert->pCertInfo))
1958 CertCloseStore(dstore, 0);
1964 #else /* !__COMPILE_CAPIENG */
1965 #include <openssl/engine.h>
1966 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
1968 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
1970 int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
1971 IMPLEMENT_DYNAMIC_CHECK_FN()
1973 void ENGINE_load_capi(void){}