engines/e_capi.c

   1 /* engines/e_capi.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  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
  18  *    distribution.
  19  *
  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/)"
  24  *
  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.
  29  *
  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.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  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  * ====================================================================
  52  */
  53
  54
  55 #include <stdio.h>
  56 #include <string.h>
  57 #include <openssl/crypto.h>
  58 #include <openssl/buffer.h>
  59 #include <openssl/engine.h>
  60 #include <openssl/rsa.h>
  61 #include <openssl/bn.h>
  62 #include <openssl/pem.h>
  63
  64 #ifdef OPENSSL_SYS_WIN32
  65 #ifndef OPENSSL_NO_CAPIENG
  66
  67 #ifndef _WIN32_WINNT
  68 #define _WIN32_WINNT 0x400
  69 #endif
  70
  71 #include <windows.h>
  72 #include <wincrypt.h>
  73
  74 #include "e_capi_err.h"
  75 #include "e_capi_err.c"
  76
  77
  78 static const char *engine_capi_id = "capi";
  79 static const char *engine_capi_name = "CryptoAPI ENGINE";
  80
  81 typedef struct CAPI_CTX_st CAPI_CTX;
  82 typedef struct CAPI_KEY_st CAPI_KEY;
  83
  84 static void capi_addlasterror(void);
  85 static void capi_adderror(DWORD err);
  86
  87 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
  88
  89 static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
  90 static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
  91 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
  92 void capi_free_key(CAPI_KEY *key);
  93
  94 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
  95
  96 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
  97
  98 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
  99         UI_METHOD *ui_method, void *callback_data);
 100 static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
 101              unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
 102 static int capi_rsa_priv_enc(int flen, const unsigned char *from,
 103                 unsigned char *to, RSA *rsa, int padding);
 104 static int capi_rsa_priv_dec(int flen, const unsigned char *from,
 105                 unsigned char *to, RSA *rsa, int padding);
 106 static int capi_rsa_free(RSA *rsa);
 107
 108 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
 109                                                         DSA *dsa);
 110 static int capi_dsa_free(DSA *dsa);
 111
 112 /* This structure contains CAPI ENGINE specific data:
 113  * it contains various global options and affects how
 114  * other functions behave.
 115  */
 116
 117 #define CAPI_DBG_TRACE  2
 118 #define CAPI_DBG_ERROR  1
 119
 120 struct CAPI_CTX_st {
 121         int debug_level;
 122         char *debug_file;
 123         /* Parameters to use for container lookup */
 124         DWORD keytype;
 125         LPTSTR cspname;
 126         DWORD csptype;
 127         /* Certificate store name to use */
 128         LPTSTR storename;
 129
 130 /* Lookup string meanings in load_private_key */
 131 /* Substring of subject: uses "storename" */
 132 #define CAPI_LU_SUBSTR          0
 133 /* Friendly name: uses storename */
 134 #define CAPI_LU_FNAME           1
 135 /* Container name: uses cspname, keytype */
 136 #define CAPI_LU_CONTNAME        2
 137         int lookup_method;
 138 /* Info to dump with dumpcerts option */
 139 /* Issuer and serial name strings */
 140 #define CAPI_DMP_SUMMARY        0x1
 141 /* Friendly name */
 142 #define CAPI_DMP_FNAME          0x2
 143 /* Full X509_print dump */
 144 #define CAPI_DMP_FULL           0x4
 145 /* Dump PEM format certificate */
 146 #define CAPI_DMP_PEM            0x8
 147 /* Dump pseudo key (if possible) */
 148 #define CAPI_DMP_PSKEY          0x10
 149 /* Dump key info (if possible) */
 150 #define CAPI_DMP_PKEYINFO       0x20
 151
 152         DWORD dump_flags;
 153 };
 154
 155
 156 static CAPI_CTX *capi_ctx_new();
 157 static void capi_ctx_free(CAPI_CTX *ctx);
 158 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
 159 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
 160
 161 #define CAPI_CMD_LIST_CERTS                     ENGINE_CMD_BASE
 162 #define CAPI_CMD_LOOKUP_CERT            (ENGINE_CMD_BASE + 1)
 163 #define CAPI_CMD_DEBUG_LEVEL            (ENGINE_CMD_BASE + 2)
 164 #define CAPI_CMD_DEBUG_FILE                     (ENGINE_CMD_BASE + 3)
 165 #define CAPI_CMD_KEYTYPE                        (ENGINE_CMD_BASE + 4)
 166 #define CAPI_CMD_LIST_CSPS                      (ENGINE_CMD_BASE + 5)
 167 #define CAPI_CMD_SET_CSP_IDX            (ENGINE_CMD_BASE + 6)
 168 #define CAPI_CMD_SET_CSP_NAME           (ENGINE_CMD_BASE + 7)
 169 #define CAPI_CMD_SET_CSP_TYPE           (ENGINE_CMD_BASE + 8)
 170 #define CAPI_CMD_LIST_CONTAINERS        (ENGINE_CMD_BASE + 9)
 171 #define CAPI_CMD_LIST_OPTIONS           (ENGINE_CMD_BASE + 10)
 172 #define CAPI_CMD_LOOKUP_METHOD          (ENGINE_CMD_BASE + 11)
 173 #define CAPI_CMD_STORE_NAME             (ENGINE_CMD_BASE + 12)
 174
 175 static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
 176         {CAPI_CMD_LIST_CERTS,
 177                 "list_certs",
 178                 "List all certificates in store",
 179                 ENGINE_CMD_FLAG_NO_INPUT},
 180         {CAPI_CMD_LOOKUP_CERT,
 181                 "lookup_cert",
 182                 "Lookup and output certificates",
 183                 ENGINE_CMD_FLAG_STRING},
 184         {CAPI_CMD_DEBUG_LEVEL,
 185                 "debug_level",
 186                 "debug level (1=errors, 2=trace)",
 187                 ENGINE_CMD_FLAG_NUMERIC},
 188         {CAPI_CMD_DEBUG_FILE,
 189                 "debug_file",
 190                 "debugging filename)",
 191                 ENGINE_CMD_FLAG_STRING},
 192         {CAPI_CMD_KEYTYPE,
 193                 "key_type",
 194                 "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
 195                 ENGINE_CMD_FLAG_NUMERIC},
 196         {CAPI_CMD_LIST_CSPS,
 197                 "list_csps",
 198                 "List all CSPs",
 199                 ENGINE_CMD_FLAG_NO_INPUT},
 200         {CAPI_CMD_SET_CSP_IDX,
 201                 "csp_idx",
 202                 "Set CSP by index",
 203                 ENGINE_CMD_FLAG_NUMERIC},
 204         {CAPI_CMD_SET_CSP_NAME,
 205                 "csp_name",
 206                 "Set CSP name, (default CSP used if not specified)",
 207                 ENGINE_CMD_FLAG_STRING},
 208         {CAPI_CMD_SET_CSP_TYPE,
 209                 "csp_type",
 210                 "Set CSP type, (default RSA_PROV_FULL)",
 211                 ENGINE_CMD_FLAG_NUMERIC},
 212         {CAPI_CMD_LIST_CONTAINERS,
 213                 "list_containers",
 214                 "list container names",
 215                 ENGINE_CMD_FLAG_NO_INPUT},
 216         {CAPI_CMD_LIST_OPTIONS,
 217                 "list_options",
 218                 "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
 219                 "32=private key info)",
 220                 ENGINE_CMD_FLAG_NUMERIC},
 221         {CAPI_CMD_LOOKUP_METHOD,
 222                 "lookup_method",
 223                 "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
 224                 ENGINE_CMD_FLAG_NUMERIC},
 225         {CAPI_CMD_STORE_NAME,
 226                 "store_name",
 227                 "certificate store name, default \"MY\"",
 228                 ENGINE_CMD_FLAG_STRING},
 229
 230         {0, NULL, NULL, 0}
 231         };
 232
 233 static int capi_idx = -1;
 234 static int rsa_capi_idx = -1;
 235 static int dsa_capi_idx = -1;
 236
 237 static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
 238         {
 239         int ret = 1;
 240         CAPI_CTX *ctx;
 241         BIO *out;
 242         if (capi_idx == -1)
 243                 {
 244                 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
 245                 return 0;
 246                 }
 247         ctx = ENGINE_get_ex_data(e, capi_idx);
 248         out = BIO_new_fp(stdout, BIO_NOCLOSE);
 249         switch (cmd)
 250                 {
 251                 case CAPI_CMD_LIST_CSPS:
 252                 ret = capi_list_providers(ctx, out);
 253                 break;
 254
 255                 case CAPI_CMD_LIST_CERTS:
 256                 ret = capi_list_certs(ctx, out, NULL);
 257                 break;
 258
 259                 case CAPI_CMD_LOOKUP_CERT:
 260                 ret = capi_list_certs(ctx, out, p);
 261                 break;
 262
 263                 case CAPI_CMD_LIST_CONTAINERS:
 264                 ret = capi_list_containers(ctx, out);
 265                 break;
 266
 267                 case CAPI_CMD_STORE_NAME:
 268                 if (ctx->storename)
 269                         OPENSSL_free(ctx->storename);
 270                 ctx->storename = BUF_strdup(p);
 271                 CAPI_trace(ctx, "Setting store name to %s\n", p);
 272                 break;
 273
 274                 case CAPI_CMD_DEBUG_LEVEL:
 275                 ctx->debug_level = (int)i;
 276                 CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
 277                 break;
 278
 279                 case CAPI_CMD_DEBUG_FILE:
 280                 ctx->debug_file = BUF_strdup(p);
 281                 CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
 282                 break;
 283
 284                 case CAPI_CMD_KEYTYPE:
 285                 ctx->keytype = i;
 286                 CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
 287                 break;
 288
 289                 case CAPI_CMD_SET_CSP_IDX:
 290                 ret = capi_ctx_set_provname_idx(ctx, i);
 291                 break;
 292
 293                 case CAPI_CMD_LIST_OPTIONS:
 294                 ctx->dump_flags = i;
 295                 break;
 296
 297                 case CAPI_CMD_LOOKUP_METHOD:
 298                 if (i < 1 || i > 3)
 299                         {
 300                         CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
 301                         return 0;
 302                         }
 303                 ctx->lookup_method = i;
 304                 break;
 305
 306                 case CAPI_CMD_SET_CSP_NAME:
 307                 ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
 308                 break;
 309
 310                 case CAPI_CMD_SET_CSP_TYPE:
 311                 ctx->csptype = i;
 312                 break;
 313
 314                 default:
 315                 CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
 316                 ret = 0;
 317         }
 318
 319         BIO_free(out);
 320         return ret;
 321
 322         }
 323
 324 static RSA_METHOD capi_rsa_method =
 325         {
 326         "CryptoAPI RSA method",
 327         0,                              /* pub_enc */
 328         0,                              /* pub_dec */
 329         capi_rsa_priv_enc,              /* priv_enc */
 330         capi_rsa_priv_dec,              /* priv_dec */
 331         0,                              /* rsa_mod_exp */
 332         0,                              /* bn_mod_exp */
 333         0,                              /* init */
 334         capi_rsa_free,                  /* finish */
 335         RSA_FLAG_SIGN_VER,              /* flags */
 336         NULL,                           /* app_data */
 337         capi_rsa_sign,                  /* rsa_sign */
 338         0                               /* rsa_verify */
 339         };
 340
 341 static DSA_METHOD capi_dsa_method =
 342         {
 343         "CryptoAPI DSA method",
 344         capi_dsa_do_sign,               /* dsa_do_sign */
 345         0,                              /* dsa_sign_setup */
 346         0,                              /* dsa_do_verify */
 347         0,                              /* dsa_mod_exp */
 348         0,                              /* bn_mod_exp */
 349         0,                              /* init */
 350         capi_dsa_free,                  /* finish */
 351         0,                              /* flags */
 352         NULL,                           /* app_data */
 353         0,                              /* dsa_paramgen */
 354         0                               /* dsa_keygen */
 355         };
 356
 357 static int capi_init(ENGINE *e)
 358         {
 359         CAPI_CTX *ctx;
 360         const RSA_METHOD *ossl_rsa_meth;
 361         const DSA_METHOD *ossl_dsa_meth;
 362         capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
 363
 364         ctx = capi_ctx_new();
 365         if (!ctx || (capi_idx < 0))
 366                 goto memerr;
 367
 368         ENGINE_set_ex_data(e, capi_idx, ctx);
 369         /* Setup RSA_METHOD */
 370         rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
 371         ossl_rsa_meth = RSA_PKCS1_SSLeay();
 372         capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
 373         capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
 374         capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
 375         capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
 376
 377         /* Setup DSA Method */
 378         dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
 379         ossl_dsa_meth = DSA_OpenSSL();
 380         capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
 381         capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
 382         capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
 383
 384         return 1;
 385
 386         memerr:
 387         CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
 388         return 0;
 389
 390         return 1;
 391         }
 392
 393 static int capi_destroy(ENGINE *e)
 394         {
 395         ERR_unload_CAPI_strings();
 396         return 1;
 397         }
 398
 399 static int capi_finish(ENGINE *e)
 400         {
 401         CAPI_CTX *ctx;
 402         ctx = ENGINE_get_ex_data(e, capi_idx);
 403         capi_ctx_free(ctx);
 404         ENGINE_set_ex_data(e, capi_idx, NULL);
 405         return 1;
 406         }
 407
 408
 409 /* CryptoAPI key application data. This contains
 410  * a handle to the private key container (for sign operations)
 411  * and a handle to the key (for decrypt operations).
 412  */
 413
 414 struct CAPI_KEY_st
 415         {
 416         HCRYPTPROV hprov;
 417         HCRYPTKEY key;
 418         DWORD keyspec;
 419         };
 420
 421 static int bind_capi(ENGINE *e)
 422         {
 423         if (!ENGINE_set_id(e, engine_capi_id)
 424                 || !ENGINE_set_name(e, engine_capi_name)
 425                 || !ENGINE_set_init_function(e, capi_init)
 426                 || !ENGINE_set_finish_function(e, capi_finish)
 427                 || !ENGINE_set_destroy_function(e, capi_destroy)
 428                 || !ENGINE_set_RSA(e, &capi_rsa_method)
 429                 || !ENGINE_set_DSA(e, &capi_dsa_method)
 430                 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
 431                 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
 432                 || !ENGINE_set_ctrl_function(e, capi_ctrl))
 433                         return 0;
 434         ERR_load_CAPI_strings();
 435
 436         return 1;
 437
 438         }
 439
 440 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
 441 static int bind_helper(ENGINE *e, const char *id)
 442         {
 443         if(id && (strcmp(id, engine_capi_id) != 0))
 444                 return 0;
 445         if(!bind_capi(e))
 446                 return 0;
 447         return 1;
 448         }
 449 IMPLEMENT_DYNAMIC_CHECK_FN()
 450 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
 451 #else
 452 static ENGINE *engine_capi(void)
 453         {
 454         ENGINE *ret = ENGINE_new();
 455         if(!ret)
 456                 return NULL;
 457         if(!bind_capi(ret))
 458                 {
 459                 ENGINE_free(ret);
 460                 return NULL;
 461                 }
 462         return ret;
 463         }
 464
 465 void ENGINE_load_capi(void)
 466         {
 467         /* Copied from eng_[openssl|dyn].c */
 468         ENGINE *toadd = engine_capi();
 469         if(!toadd) return;
 470         ENGINE_add(toadd);
 471         ENGINE_free(toadd);
 472         ERR_clear_error();
 473         }
 474 #endif
 475
 476
 477 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
 478         {
 479         int i;
 480         /* Reverse buffer in place: since this is a keyblob structure
 481          * that will be freed up after conversion anyway it doesn't
 482          * matter if we change it.
 483          */
 484         for(i = 0; i < binlen / 2; i++)
 485                 {
 486                 unsigned char c;
 487                 c = bin[i];
 488                 bin[i] = bin[binlen - i - 1];
 489                 bin[binlen - i - 1] = c;
 490                 }
 491
 492         if (!BN_bin2bn(bin, binlen, bn))
 493                 return 0;
 494         return 1;
 495         }
 496
 497 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
 498         UI_METHOD *ui_method, void *callback_data)
 499         {
 500         EVP_PKEY *ret = NULL;
 501         CAPI_CTX *ctx;
 502         CAPI_KEY *key;
 503         unsigned char *pubkey = NULL;
 504         DWORD len;
 505         BLOBHEADER *bh;
 506         RSA *rkey = NULL;
 507         DSA *dkey = NULL;
 508         ctx = ENGINE_get_ex_data(eng, capi_idx);
 509
 510         if (!ctx)
 511                 {
 512                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
 513                 return NULL;
 514                 }
 515
 516         key = capi_find_key(ctx, key_id);
 517
 518         if (!key)
 519                 return NULL;
 520
 521         len = 0;
 522         if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
 523                 {
 524                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
 525                 capi_addlasterror();
 526                 return NULL;
 527                 }
 528
 529         pubkey = OPENSSL_malloc(len);
 530
 531         if (!pubkey)
 532                 goto memerr;
 533
 534         if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
 535                 {
 536                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
 537                 capi_addlasterror();
 538                 goto err;
 539                 }
 540
 541         bh = (BLOBHEADER *)pubkey;
 542         if (bh->bType != PUBLICKEYBLOB)
 543                 {
 544                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
 545                 goto err;
 546                 }
 547         if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
 548                 {
 549                 RSAPUBKEY *rp;
 550                 DWORD rsa_modlen;
 551                 unsigned char *rsa_modulus;
 552                 rp = (RSAPUBKEY *)(bh + 1);
 553                 if (rp->magic != 0x31415352)
 554                         {
 555                         char magstr[10];
 556                         BIO_snprintf(magstr, 10, "%lx", rp->magic);
 557                         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
 558                         ERR_add_error_data(2, "magic=0x", magstr);
 559                         goto err;
 560                         }
 561                 rsa_modulus = (unsigned char *)(rp + 1);
 562                 rkey = RSA_new_method(eng);
 563                 if (!rkey)
 564                         goto memerr;
 565
 566                 rkey->e = BN_new();
 567                 rkey->n = BN_new();
 568
 569                 if (!rkey->e || !rkey->n)
 570                         goto memerr;
 571
 572                 if (!BN_set_word(rkey->e, rp->pubexp))
 573                         goto memerr;
 574
 575                 rsa_modlen = rp->bitlen / 8;
 576                 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
 577                         goto memerr;
 578
 579                 RSA_set_ex_data(rkey, rsa_capi_idx, key);
 580
 581                 if (!(ret = EVP_PKEY_new()))
 582                         goto memerr;
 583
 584                 EVP_PKEY_assign_RSA(ret, rkey);
 585                 rkey = NULL;
 586
 587                 }
 588         else if (bh->aiKeyAlg == CALG_DSS_SIGN)
 589                 {
 590                 DSSPUBKEY *dp;
 591                 DWORD dsa_plen;
 592                 unsigned char *btmp;
 593                 dp = (DSSPUBKEY *)(bh + 1);
 594                 if (dp->magic != 0x31535344)
 595                         {
 596                         char magstr[10];
 597                         BIO_snprintf(magstr, 10, "%lx", dp->magic);
 598                         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
 599                         ERR_add_error_data(2, "magic=0x", magstr);
 600                         goto err;
 601                         }
 602                 dsa_plen = dp->bitlen / 8;
 603                 btmp = (unsigned char *)(dp + 1);
 604                 dkey = DSA_new_method(eng);
 605                 if (!dkey)
 606                         goto memerr;
 607                 dkey->p = BN_new();
 608                 dkey->q = BN_new();
 609                 dkey->g = BN_new();
 610                 dkey->pub_key = BN_new();
 611                 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
 612                         goto memerr;
 613                 if (!lend_tobn(dkey->p, btmp, dsa_plen))
 614                         goto memerr;
 615                 btmp += dsa_plen;
 616                 if (!lend_tobn(dkey->q, btmp, 20))
 617                         goto memerr;
 618                 btmp += 20;
 619                 if (!lend_tobn(dkey->g, btmp, dsa_plen))
 620                         goto memerr;
 621                 btmp += dsa_plen;
 622                 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
 623                         goto memerr;
 624                 btmp += dsa_plen;
 625
 626                 DSA_set_ex_data(dkey, dsa_capi_idx, key);
 627
 628                 if (!(ret = EVP_PKEY_new()))
 629                         goto memerr;
 630
 631                 EVP_PKEY_assign_DSA(ret, dkey);
 632                 dkey = NULL;
 633                 }
 634         else
 635                 {
 636                 char algstr[10];
 637                 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
 638                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
 639                 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
 640                 goto err;
 641                 }
 642
 643         err:
 644         if (pubkey)
 645                 OPENSSL_free(pubkey);
 646         if (!ret)
 647                 {
 648                 if (rkey)
 649                         RSA_free(rkey);
 650                 if (dkey)
 651                         DSA_free(dkey);
 652                 if (key)
 653                         capi_free_key(key);
 654                 }
 655
 656         return ret;
 657
 658 memerr:
 659         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
 660         goto err;
 661
 662         }
 663
 664 /* CryptoAPI RSA operations */
 665
 666 int capi_rsa_priv_enc(int flen, const unsigned char *from,
 667                 unsigned char *to, RSA *rsa, int padding)
 668         {
 669         CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
 670         return -1;
 671         }
 672
 673 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
 674              unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
 675         {
 676         ALG_ID alg;
 677         HCRYPTHASH hash;
 678         DWORD slen;
 679         unsigned int i;
 680         int ret = -1;
 681         CAPI_KEY *capi_key;
 682         CAPI_CTX *ctx;
 683
 684         ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
 685
 686         CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
 687
 688         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 689         if (!capi_key)
 690                 {
 691                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
 692                 return -1;
 693                 }
 694 /* Convert the signature type to a CryptoAPI algorithm ID */
 695         switch(dtype)
 696                 {
 697         case NID_sha1:
 698                 alg = CALG_SHA1;
 699                 break;
 700
 701         case NID_md5:
 702                 alg = CALG_MD5;
 703                 break;
 704
 705         case NID_md5_sha1:
 706                 alg = CALG_SSL3_SHAMD5;
 707                 break;
 708         default:
 709                 {
 710                 char algstr[10];
 711                 BIO_snprintf(algstr, 10, "%lx", dtype);
 712                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
 713                 ERR_add_error_data(2, "NID=0x", algstr);
 714                 return -1;
 715                 }
 716         }
 717
 718
 719
 720 /* Create the hash object */
 721         if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
 722                 {
 723                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
 724                 capi_addlasterror();
 725                 return -1;
 726                 }
 727 /* Set the hash value to the value passed */
 728
 729         if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
 730                 {
 731                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
 732                 capi_addlasterror();
 733                 goto err;
 734                 }
 735
 736
 737 /* Finally sign it */
 738         slen = RSA_size(rsa);
 739         if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
 740                 {
 741                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
 742                 capi_addlasterror();
 743                 goto err;
 744                 }
 745         else
 746                 {
 747                 ret = 1;
 748                 /* Inplace byte reversal of signature */
 749                 for(i = 0; i < slen / 2; i++)
 750                         {
 751                         unsigned char c;
 752                         c = sigret[i];
 753                         sigret[i] = sigret[slen - i - 1];
 754                         sigret[slen - i - 1] = c;
 755                         }
 756                 *siglen = slen;
 757                 }
 758
 759
 760         /* Now cleanup */
 761
 762 err:
 763         CryptDestroyHash(hash);
 764
 765         return ret;
 766         }
 767
 768 int capi_rsa_priv_dec(int flen, const unsigned char *from,
 769                 unsigned char *to, RSA *rsa, int padding)
 770         {
 771         int i;
 772         unsigned char *tmpbuf;
 773         CAPI_KEY *capi_key;
 774         CAPI_CTX *ctx;
 775         ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
 776
 777         CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
 778
 779
 780         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 781         if (!capi_key)
 782                 {
 783                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
 784                 return -1;
 785                 }
 786
 787         if(padding != RSA_PKCS1_PADDING)
 788                 {
 789                 char errstr[10];
 790                 BIO_snprintf(errstr, 10, "%d", padding);
 791                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
 792                 ERR_add_error_data(2, "padding=", errstr);
 793                 return -1;
 794                 }
 795
 796         /* Create temp reverse order version of input */
 797         if(!(tmpbuf = OPENSSL_malloc(flen)) )
 798                 {
 799                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
 800                 return -1;
 801                 }
 802         for(i = 0; i < flen; i++)
 803                 tmpbuf[flen - i - 1] = from[i];
 804
 805         /* Finally decrypt it */
 806         if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
 807                 {
 808                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
 809                 capi_addlasterror();
 810                 OPENSSL_free(tmpbuf);
 811                 return -1;
 812                 }
 813         else memcpy(to, tmpbuf, flen);
 814
 815         OPENSSL_free(tmpbuf);
 816
 817         return flen;
 818         }
 819
 820 static int capi_rsa_free(RSA *rsa)
 821         {
 822         CAPI_KEY *capi_key;
 823         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 824         capi_free_key(capi_key);
 825         RSA_set_ex_data(rsa, rsa_capi_idx, 0);
 826         return 1;
 827         }
 828
 829 /* CryptoAPI DSA operations */
 830
 831 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
 832                                                                 DSA *dsa)
 833         {
 834         HCRYPTHASH hash;
 835         DWORD slen;
 836         DSA_SIG *ret = NULL;
 837         CAPI_KEY *capi_key;
 838         CAPI_CTX *ctx;
 839         unsigned char csigbuf[40];
 840
 841         ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
 842
 843         CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
 844
 845         capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
 846
 847         if (!capi_key)
 848                 {
 849                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
 850                 return NULL;
 851                 }
 852
 853         if (dlen != 20)
 854                 {
 855                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
 856                 return NULL;
 857                 }
 858
 859         /* Create the hash object */
 860         if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
 861                 {
 862                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
 863                 capi_addlasterror();
 864                 return NULL;
 865                 }
 866
 867         /* Set the hash value to the value passed */
 868         if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
 869                 {
 870                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
 871                 capi_addlasterror();
 872                 goto err;
 873                 }
 874
 875
 876         /* Finally sign it */
 877         slen = sizeof(csigbuf);
 878         if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
 879                 {
 880                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
 881                 capi_addlasterror();
 882                 goto err;
 883                 }
 884         else
 885                 {
 886                 ret = DSA_SIG_new();
 887                 if (!ret)
 888                         goto err;
 889                 ret->r = BN_new();
 890                 ret->s = BN_new();
 891                 if (!ret->r || !ret->s)
 892                         goto err;
 893                 if (!lend_tobn(ret->r, csigbuf, 20)
 894                         || !lend_tobn(ret->s, csigbuf + 20, 20))
 895                         {
 896                         DSA_SIG_free(ret);
 897                         ret = NULL;
 898                         goto err;
 899                         }
 900                 }
 901
 902         /* Now cleanup */
 903
 904 err:
 905         OPENSSL_cleanse(csigbuf, 40);
 906         CryptDestroyHash(hash);
 907         return ret;
 908         }
 909
 910 static int capi_dsa_free(DSA *dsa)
 911         {
 912         CAPI_KEY *capi_key;
 913         capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
 914         capi_free_key(capi_key);
 915         DSA_set_ex_data(dsa, dsa_capi_idx, 0);
 916         return 1;
 917         }
 918
 919 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
 920         {
 921         BIO *out;
 922
 923         if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
 924                 return;
 925         out = BIO_new_file(ctx->debug_file, "a+");
 926         BIO_vprintf(out, format, argptr);
 927         BIO_free(out);
 928         }
 929
 930 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
 931         {
 932         va_list args;
 933         va_start(args, format);
 934         capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
 935         va_end(args);
 936         }
 937
 938 static void capi_addlasterror(void)
 939         {
 940         capi_adderror(GetLastError());
 941         }
 942
 943 static void capi_adderror(DWORD err)
 944         {
 945         char errstr[10];
 946         BIO_snprintf(errstr, 10, "%lX", err);
 947         ERR_add_error_data(2, "Error code= 0x", errstr);
 948         }
 949
 950 static char *wide_to_asc(LPWSTR wstr)
 951         {
 952         char *str;
 953         if (!wstr)
 954                 return NULL;
 955         str = OPENSSL_malloc(wcslen(wstr) + 1);
 956         if (!str)
 957                 {
 958                 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
 959                 return NULL;
 960                 }
 961         sprintf(str, "%S", wstr);
 962         return str;
 963         }
 964
 965 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
 966         {
 967         LPSTR name;
 968         DWORD len, err;
 969         CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
 970         if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
 971                 {
 972                 err = GetLastError();
 973                 if (err == ERROR_NO_MORE_ITEMS)
 974                         return 2;
 975                 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
 976                 capi_adderror(err);
 977                 return 0;
 978                 }
 979         name = OPENSSL_malloc(len);
 980                 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
 981                 {
 982                 err = GetLastError();
 983                 if (err == ERROR_NO_MORE_ITEMS)
 984                         return 2;
 985                 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
 986                 capi_adderror(err);
 987                 return 0;
 988                 }
 989         *pname = name;
 990         CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
 991
 992         return 1;
 993         }
 994
 995 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
 996         {
 997         DWORD idx, ptype;
 998         int ret;
 999         LPTSTR provname = NULL;
1000         CAPI_trace(ctx, "capi_list_providers\n");
1001         BIO_printf(out, "Available CSPs:\n");
1002         for(idx = 0; ; idx++)
1003                 {
1004                 ret = capi_get_provname(ctx, &provname, &ptype, idx);
1005                 if (ret == 2)
1006                         break;
1007                 if (ret == 0)
1008                         break;
1009                 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1010                 OPENSSL_free(provname);
1011                 }
1012         return 1;
1013         }
1014
1015 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1016         {
1017         int ret = 1;
1018         HCRYPTPROV hprov;
1019         DWORD err, idx, flags, buflen = 0, clen;
1020         LPSTR cname;
1021         CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1022         if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1023                 {
1024                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1025                 capi_addlasterror();
1026                 return 0;
1027                 }
1028         if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1029                 {
1030                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1031                 capi_addlasterror();
1032                 return 0;
1033                 }
1034         CAPI_trace(ctx, "Got max container len %d\n", buflen);
1035         if (buflen == 0)
1036                 buflen = 1024;
1037         cname = OPENSSL_malloc(buflen);
1038         if (!cname)
1039                 {
1040                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1041                 goto err;
1042                 }
1043
1044         for (idx = 0;;idx++)
1045                 {
1046                 clen = buflen;
1047                 cname[0] = 0;
1048
1049                 if (idx == 0)
1050                         flags = CRYPT_FIRST;
1051                 else
1052                         flags = 0;
1053                 if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1054                         {
1055                         err = GetLastError();
1056                         if (err == ERROR_NO_MORE_ITEMS)
1057                                 goto done;
1058                         CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1059                         capi_adderror(err);
1060                         goto err;
1061                         }
1062                 CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1063                 if (!cname[0] && (clen == buflen))
1064                         {
1065                         CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1066                         goto done;
1067                         }
1068                 BIO_printf(out, "%d. %s\n", idx, cname);
1069                 }
1070         err:
1071
1072         ret = 0;
1073
1074         done:
1075         if (cname)
1076                 OPENSSL_free(cname);
1077         CryptReleaseContext(hprov, 0);
1078
1079         return ret;
1080         }
1081
1082 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1083         {
1084         DWORD len;
1085         CRYPT_KEY_PROV_INFO *pinfo;
1086
1087         if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1088                 return NULL;
1089         pinfo = OPENSSL_malloc(len);
1090         if (!pinfo)
1091                 {
1092                 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1093                 return NULL;
1094                 }
1095         if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1096                 {
1097                 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1098                 capi_addlasterror();
1099                 OPENSSL_free(pinfo);
1100                 return NULL;
1101                 }
1102         return pinfo;
1103         }
1104
1105 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1106         {
1107         char *provname = NULL, *contname = NULL;
1108         if (!pinfo)
1109                 {
1110                 BIO_printf(out, "  No Private Key\n");
1111                 return;
1112                 }
1113         provname = wide_to_asc(pinfo->pwszProvName);
1114         contname = wide_to_asc(pinfo->pwszContainerName);
1115         if (!provname || !contname)
1116                 goto err;
1117
1118         BIO_printf(out, "  Private Key Info:\n");
1119         BIO_printf(out, "    Provider Name:  %s, Provider Type %d\n", provname, pinfo->dwProvType);
1120         BIO_printf(out, "    Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1121         err:
1122         if (provname)
1123                 OPENSSL_free(provname);
1124         if (contname)
1125                 OPENSSL_free(contname);
1126         }
1127
1128 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1129         {
1130         LPWSTR wfname;
1131         DWORD dlen;
1132
1133         CAPI_trace(ctx, "capi_cert_get_fname\n");
1134         if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1135                 return NULL;
1136         wfname = OPENSSL_malloc(dlen);
1137         if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1138                 {
1139                 char *fname = wide_to_asc(wfname);
1140                 OPENSSL_free(wfname);
1141                 return fname;
1142                 }
1143         CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1144         capi_addlasterror();
1145
1146         OPENSSL_free(wfname);
1147         return NULL;
1148         }
1149
1150
1151 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1152         {
1153         X509 *x;
1154         unsigned char *p;
1155         unsigned long flags = ctx->dump_flags;
1156         if (flags & CAPI_DMP_FNAME)
1157                 {
1158                 char *fname;
1159                 fname = capi_cert_get_fname(ctx, cert);
1160                 if (fname)
1161                         {
1162                         BIO_printf(out, "  Friendly Name \"%s\"\n", fname);
1163                         OPENSSL_free(fname);
1164                         }
1165                 else
1166                         BIO_printf(out, "  <No Friendly Name>\n");
1167                 }
1168
1169         p = cert->pbCertEncoded;
1170         x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1171         if (!x)
1172                 BIO_printf(out, "  <Can't parse certificate>\n");
1173         if (flags & CAPI_DMP_SUMMARY)
1174                 {
1175                 BIO_printf(out, "  Subject: ");
1176                 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1177                 BIO_printf(out, "\n  Issuer: ");
1178                 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1179                 BIO_printf(out, "\n");
1180                 }
1181         if (flags & CAPI_DMP_FULL)
1182                 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1183
1184         if (flags & CAPI_DMP_PKEYINFO)
1185                 {
1186                 CRYPT_KEY_PROV_INFO *pinfo;
1187                 pinfo = capi_get_prov_info(ctx, cert);
1188                 capi_dump_prov_info(ctx, out, pinfo);
1189                 if (pinfo)
1190                         OPENSSL_free(pinfo);
1191                 }
1192
1193         if (flags & CAPI_DMP_PEM)
1194                 PEM_write_bio_X509(out, x);
1195         X509_free(x);
1196         }
1197
1198 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1199         {
1200         HCERTSTORE hstore;
1201
1202         if (!storename)
1203                 storename = ctx->storename;
1204         if (!storename)
1205                 storename = "MY";
1206         CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1207
1208         hstore = CertOpenSystemStore(0, storename);
1209         if (!hstore)
1210                 {
1211                 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1212                 capi_addlasterror();
1213                 }
1214         return hstore;
1215         }
1216
1217 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1218         {
1219         char *storename;
1220         int idx;
1221         int ret = 1;
1222         HCERTSTORE hstore;
1223         PCCERT_CONTEXT cert = NULL;
1224
1225         storename = ctx->storename;
1226         if (!storename)
1227                 storename = "MY";
1228         CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1229
1230         hstore = capi_open_store(ctx, storename);
1231         if (!hstore)
1232                 return 0;
1233         if (id)
1234                 {
1235                 cert = capi_find_cert(ctx, id, hstore);
1236                 if (!cert)
1237                         {
1238                         ret = 0;
1239                         goto err;
1240                         }
1241                 capi_dump_cert(ctx, out, cert);
1242                 CertFreeCertificateContext(cert);
1243                 }
1244         else
1245                 {
1246                 for(idx = 0;;idx++)
1247                         {
1248                         LPWSTR fname = NULL;
1249                         cert = CertEnumCertificatesInStore(hstore, cert);
1250                         if (!cert)
1251                                 break;
1252                         BIO_printf(out, "Certificate %d\n", idx);
1253                         capi_dump_cert(ctx, out, cert);
1254                         }
1255                 }
1256         err:
1257         CertCloseStore(hstore, 0);
1258         return ret;
1259         }
1260
1261 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1262         {
1263         PCCERT_CONTEXT cert = NULL;
1264         char *fname = NULL;
1265         int match;
1266         switch(ctx->lookup_method)
1267                 {
1268                 case CAPI_LU_SUBSTR:
1269                         return CertFindCertificateInStore(hstore,
1270                                         X509_ASN_ENCODING, 0,
1271                                         CERT_FIND_SUBJECT_STR_A, id, NULL);
1272                 case CAPI_LU_FNAME:
1273                         for(;;)
1274                                 {
1275                                 cert = CertEnumCertificatesInStore(hstore, cert);
1276                                 if (!cert)
1277                                         return NULL;
1278                                 fname = capi_cert_get_fname(ctx, cert);
1279                                 if (fname)
1280                                         {
1281                                         if (strcmp(fname, id))
1282                                                 match = 0;
1283                                         else
1284                                                 match = 1;
1285                                         OPENSSL_free(fname);
1286                                         if (match)
1287                                                 return cert;
1288                                         }
1289                                 }
1290                 default:
1291                         return NULL;
1292                 }
1293         }
1294
1295 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1296         {
1297         CAPI_KEY *key;
1298         key = OPENSSL_malloc(sizeof(CAPI_KEY));
1299         CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1300                                                 contname, provname, ptype);
1301         if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1302                 {
1303                 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1304                 capi_addlasterror();
1305                 goto err;
1306                 }
1307         if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1308                 {
1309                 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1310                 capi_addlasterror();
1311                 CryptReleaseContext(key->hprov, 0);
1312                 goto err;
1313                 }
1314         key->keyspec = keyspec;
1315         return key;
1316
1317         err:
1318         OPENSSL_free(key);
1319         return NULL;
1320         }
1321
1322 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1323         {
1324         CAPI_KEY *key;
1325         CRYPT_KEY_PROV_INFO *pinfo = NULL;
1326         char *provname = NULL, *contname = NULL;
1327         pinfo = capi_get_prov_info(ctx, cert);
1328         if (!pinfo)
1329                 goto err;
1330         provname = wide_to_asc(pinfo->pwszProvName);
1331         contname = wide_to_asc(pinfo->pwszContainerName);
1332         if (!provname || !contname)
1333                 return 0;
1334
1335         key = capi_get_key(ctx, contname, provname,
1336                                 pinfo->dwProvType, pinfo->dwKeySpec);
1337
1338         err:
1339         if (pinfo)
1340                 OPENSSL_free(pinfo);
1341         if (provname)
1342                 OPENSSL_free(provname);
1343         if (contname)
1344                 OPENSSL_free(contname);
1345         return key;
1346         }
1347
1348 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1349         {
1350         PCCERT_CONTEXT cert;
1351         HCERTSTORE hstore;
1352         CAPI_KEY *key = NULL;
1353         switch (ctx->lookup_method)
1354                 {
1355                 case CAPI_LU_SUBSTR:
1356                 case CAPI_LU_FNAME:
1357                 hstore = capi_open_store(ctx, NULL);
1358                 if (!hstore)
1359                         return NULL;
1360                 cert = capi_find_cert(ctx, id, hstore);
1361                 if (cert)
1362                         {
1363                         key = capi_get_cert_key(ctx, cert);
1364                         CertFreeCertificateContext(cert);
1365                         }
1366                 CertCloseStore(hstore, 0);
1367                 break;
1368
1369                 case CAPI_LU_CONTNAME:
1370                 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
1371                                                         ctx->keytype);
1372                 break;
1373                 }
1374
1375         return key;
1376         }
1377
1378 void capi_free_key(CAPI_KEY *key)
1379         {
1380         if (!key)
1381                 return;
1382         CryptDestroyKey(key->key);
1383         CryptReleaseContext(key->hprov, 0);
1384         OPENSSL_free(key);
1385         }
1386
1387
1388 /* Initialize a CAPI_CTX structure */
1389
1390 static CAPI_CTX *capi_ctx_new()
1391         {
1392         CAPI_CTX *ctx;
1393         ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1394         if (!ctx)
1395                 {
1396                 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1397                 return NULL;
1398                 }
1399         ctx->cspname = NULL;
1400         ctx->csptype = PROV_RSA_FULL;
1401         ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1402         ctx->keytype = AT_KEYEXCHANGE;
1403         ctx->storename = NULL;
1404         ctx->lookup_method = CAPI_LU_SUBSTR;
1405         ctx->debug_level = 0;
1406         ctx->debug_file = NULL;
1407         return ctx;
1408         }
1409
1410 static void capi_ctx_free(CAPI_CTX *ctx)
1411         {
1412         CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1413         if (!ctx)
1414                 return;
1415         if (ctx->cspname)
1416                 OPENSSL_free(ctx->cspname);
1417         if (ctx->debug_file)
1418                 OPENSSL_free(ctx->debug_file);
1419         if (ctx->storename)
1420                 OPENSSL_free(ctx->storename);
1421         OPENSSL_free(ctx);
1422         }
1423
1424 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1425         {
1426         CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1427         if (check)
1428                 {
1429                 HCRYPTPROV hprov;
1430                 if (!CryptAcquireContext(&hprov, NULL, pname, type,
1431                                                 CRYPT_VERIFYCONTEXT))
1432                         {
1433                         CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1434                         capi_addlasterror();
1435                         return 0;
1436                         }
1437                 CryptReleaseContext(hprov, 0);
1438                 }
1439         ctx->cspname = BUF_strdup(pname);
1440         ctx->csptype = type;
1441         return 1;
1442         }
1443
1444 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1445         {
1446         LPSTR pname;
1447         DWORD type;
1448         if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1449                 return 0;
1450         return capi_ctx_set_provname(ctx, pname, type, 0);
1451         }
1452
1453 #endif
1454 #endif