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
 396         ERR_unload_CAPI_strings();
 397         return 1;
 398         }
 399
 400 static int capi_finish(ENGINE *e)
 401         {
 402         CAPI_CTX *ctx;
 403         ctx = ENGINE_get_ex_data(e, capi_idx);
 404         capi_ctx_free(ctx);
 405         ENGINE_set_ex_data(e, capi_idx, NULL);
 406         return 1;
 407         }
 408
 409
 410 /* CryptoAPI key application data. This contains
 411  * a handle to the private key container (for sign operations)
 412  * and a handle to the key (for decrypt operations).
 413  */
 414
 415 struct CAPI_KEY_st
 416         {
 417         HCRYPTPROV hprov;
 418         HCRYPTKEY key;
 419         DWORD keyspec;
 420         };
 421
 422 static int bind_capi(ENGINE *e)
 423         {
 424         if (!ENGINE_set_id(e, engine_capi_id)
 425                 || !ENGINE_set_name(e, engine_capi_name)
 426                 || !ENGINE_set_init_function(e, capi_init)
 427                 || !ENGINE_set_finish_function(e, capi_finish)
 428                 || !ENGINE_set_destroy_function(e, capi_destroy)
 429                 || !ENGINE_set_RSA(e, &capi_rsa_method)
 430                 || !ENGINE_set_DSA(e, &capi_dsa_method)
 431                 || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
 432                 || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
 433                 || !ENGINE_set_ctrl_function(e, capi_ctrl))
 434                         return 0;
 435         ERR_load_CAPI_strings();
 436
 437         return 1;
 438
 439         }
 440
 441 #ifndef OPENSSL_NO_DYNAMIC_ENGINE
 442 static int bind_helper(ENGINE *e, const char *id)
 443         {
 444         if(id && (strcmp(id, engine_capi_id) != 0))
 445                 return 0;
 446         if(!bind_capi(e))
 447                 return 0;
 448         return 1;
 449         }
 450 IMPLEMENT_DYNAMIC_CHECK_FN()
 451 IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
 452 #else
 453 static ENGINE *engine_capi(void)
 454         {
 455         ENGINE *ret = ENGINE_new();
 456         if(!ret)
 457                 return NULL;
 458         if(!bind_capi(ret))
 459                 {
 460                 ENGINE_free(ret);
 461                 return NULL;
 462                 }
 463         return ret;
 464         }
 465
 466 void ENGINE_load_capi(void)
 467         {
 468         /* Copied from eng_[openssl|dyn].c */
 469         ENGINE *toadd = engine_capi();
 470         if(!toadd) return;
 471         ENGINE_add(toadd);
 472         ENGINE_free(toadd);
 473         ERR_clear_error();
 474         }
 475 #endif
 476
 477
 478 static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
 479         {
 480         int i;
 481         /* Reverse buffer in place: since this is a keyblob structure
 482          * that will be freed up after conversion anyway it doesn't
 483          * matter if we change it.
 484          */
 485         for(i = 0; i < binlen / 2; i++)
 486                 {
 487                 unsigned char c;
 488                 c = bin[i];
 489                 bin[i] = bin[binlen - i - 1];
 490                 bin[binlen - i - 1] = c;
 491                 }
 492
 493         if (!BN_bin2bn(bin, binlen, bn))
 494                 return 0;
 495         return 1;
 496         }
 497
 498 static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
 499         UI_METHOD *ui_method, void *callback_data)
 500         {
 501         EVP_PKEY *ret = NULL;
 502         CAPI_CTX *ctx;
 503         CAPI_KEY *key;
 504         unsigned char *pubkey = NULL;
 505         DWORD len;
 506         BLOBHEADER *bh;
 507         RSA *rkey = NULL;
 508         DSA *dkey = NULL;
 509         ctx = ENGINE_get_ex_data(eng, capi_idx);
 510
 511         if (!ctx)
 512                 {
 513                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
 514                 return NULL;
 515                 }
 516
 517         key = capi_find_key(ctx, key_id);
 518
 519         if (!key)
 520                 return NULL;
 521
 522         len = 0;
 523         if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
 524                 {
 525                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
 526                 capi_addlasterror();
 527                 return NULL;
 528                 }
 529
 530         pubkey = OPENSSL_malloc(len);
 531
 532         if (!pubkey)
 533                 goto memerr;
 534
 535         if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
 536                 {
 537                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
 538                 capi_addlasterror();
 539                 goto err;
 540                 }
 541
 542         bh = (BLOBHEADER *)pubkey;
 543         if (bh->bType != PUBLICKEYBLOB)
 544                 {
 545                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
 546                 goto err;
 547                 }
 548         if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
 549                 {
 550                 RSAPUBKEY *rp;
 551                 DWORD rsa_modlen;
 552                 unsigned char *rsa_modulus;
 553                 rp = (RSAPUBKEY *)(bh + 1);
 554                 if (rp->magic != 0x31415352)
 555                         {
 556                         char magstr[10];
 557                         BIO_snprintf(magstr, 10, "%lx", rp->magic);
 558                         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
 559                         ERR_add_error_data(2, "magic=0x", magstr);
 560                         goto err;
 561                         }
 562                 rsa_modulus = (unsigned char *)(rp + 1);
 563                 rkey = RSA_new_method(eng);
 564                 if (!rkey)
 565                         goto memerr;
 566
 567                 rkey->e = BN_new();
 568                 rkey->n = BN_new();
 569
 570                 if (!rkey->e || !rkey->n)
 571                         goto memerr;
 572
 573                 if (!BN_set_word(rkey->e, rp->pubexp))
 574                         goto memerr;
 575
 576                 rsa_modlen = rp->bitlen / 8;
 577                 if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
 578                         goto memerr;
 579
 580                 RSA_set_ex_data(rkey, rsa_capi_idx, key);
 581
 582                 if (!(ret = EVP_PKEY_new()))
 583                         goto memerr;
 584
 585                 EVP_PKEY_assign_RSA(ret, rkey);
 586                 rkey = NULL;
 587
 588                 }
 589         else if (bh->aiKeyAlg == CALG_DSS_SIGN)
 590                 {
 591                 DSSPUBKEY *dp;
 592                 DWORD dsa_plen;
 593                 unsigned char *btmp;
 594                 dp = (DSSPUBKEY *)(bh + 1);
 595                 if (dp->magic != 0x31535344)
 596                         {
 597                         char magstr[10];
 598                         BIO_snprintf(magstr, 10, "%lx", dp->magic);
 599                         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
 600                         ERR_add_error_data(2, "magic=0x", magstr);
 601                         goto err;
 602                         }
 603                 dsa_plen = dp->bitlen / 8;
 604                 btmp = (unsigned char *)(dp + 1);
 605                 dkey = DSA_new_method(eng);
 606                 if (!dkey)
 607                         goto memerr;
 608                 dkey->p = BN_new();
 609                 dkey->q = BN_new();
 610                 dkey->g = BN_new();
 611                 dkey->pub_key = BN_new();
 612                 if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
 613                         goto memerr;
 614                 if (!lend_tobn(dkey->p, btmp, dsa_plen))
 615                         goto memerr;
 616                 btmp += dsa_plen;
 617                 if (!lend_tobn(dkey->q, btmp, 20))
 618                         goto memerr;
 619                 btmp += 20;
 620                 if (!lend_tobn(dkey->g, btmp, dsa_plen))
 621                         goto memerr;
 622                 btmp += dsa_plen;
 623                 if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
 624                         goto memerr;
 625                 btmp += dsa_plen;
 626
 627                 DSA_set_ex_data(dkey, dsa_capi_idx, key);
 628
 629                 if (!(ret = EVP_PKEY_new()))
 630                         goto memerr;
 631
 632                 EVP_PKEY_assign_DSA(ret, dkey);
 633                 dkey = NULL;
 634                 }
 635         else
 636                 {
 637                 char algstr[10];
 638                 BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
 639                 CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
 640                 ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
 641                 goto err;
 642                 }
 643
 644         err:
 645         if (pubkey)
 646                 OPENSSL_free(pubkey);
 647         if (!ret)
 648                 {
 649                 if (rkey)
 650                         RSA_free(rkey);
 651                 if (dkey)
 652                         DSA_free(dkey);
 653                 if (key)
 654                         capi_free_key(key);
 655                 }
 656
 657         return ret;
 658
 659 memerr:
 660         CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
 661         goto err;
 662
 663         }
 664
 665 /* CryptoAPI RSA operations */
 666
 667 int capi_rsa_priv_enc(int flen, const unsigned char *from,
 668                 unsigned char *to, RSA *rsa, int padding)
 669         {
 670         CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
 671         return -1;
 672         }
 673
 674 int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
 675              unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
 676         {
 677         ALG_ID alg;
 678         HCRYPTHASH hash;
 679         DWORD slen;
 680         unsigned int i;
 681         int ret = -1;
 682         CAPI_KEY *capi_key;
 683         CAPI_CTX *ctx;
 684
 685         ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
 686
 687         CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
 688
 689         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 690         if (!capi_key)
 691                 {
 692                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
 693                 return -1;
 694                 }
 695 /* Convert the signature type to a CryptoAPI algorithm ID */
 696         switch(dtype) {
 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                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
 723                 capi_addlasterror();
 724                 return -1;
 725         }
 726 /* Set the hash value to the value passed */
 727
 728         if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
 729                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
 730                 capi_addlasterror();
 731                 goto err;
 732         }
 733
 734
 735 /* Finally sign it */
 736         slen = RSA_size(rsa);
 737         if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
 738                 CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
 739                 capi_addlasterror();
 740                 goto err;
 741         } else {
 742                 ret = 1;
 743                 /* Inplace byte reversal of signature */
 744                 for(i = 0; i < slen / 2; i++) {
 745                         unsigned char c;
 746                         c = sigret[i];
 747                         sigret[i] = sigret[slen - i - 1];
 748                         sigret[slen - i - 1] = c;
 749                 }
 750                 *siglen = slen;
 751         }
 752
 753
 754         /* Now cleanup */
 755
 756 err:
 757         CryptDestroyHash(hash);
 758
 759         return ret;
 760 }
 761
 762 int capi_rsa_priv_dec(int flen, const unsigned char *from,
 763                 unsigned char *to, RSA *rsa, int padding)
 764 {
 765         int i;
 766         unsigned char *tmpbuf;
 767         CAPI_KEY *capi_key;
 768         CAPI_CTX *ctx;
 769         ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
 770
 771         CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
 772
 773
 774         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 775         if (!capi_key)
 776                 {
 777                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
 778                 return -1;
 779                 }
 780
 781         if(padding != RSA_PKCS1_PADDING)
 782                 {
 783                 char errstr[10];
 784                 BIO_snprintf(errstr, 10, "%d", padding);
 785                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
 786                 ERR_add_error_data(2, "padding=", errstr);
 787                 return -1;
 788                 }
 789
 790         /* Create temp reverse order version of input */
 791         if(!(tmpbuf = OPENSSL_malloc(flen)) )
 792                 {
 793                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
 794                 return -1;
 795                 }
 796         for(i = 0; i < flen; i++)
 797                 tmpbuf[flen - i - 1] = from[i];
 798
 799         /* Finally decrypt it */
 800         if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
 801                 {
 802                 CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
 803                 capi_addlasterror();
 804                 OPENSSL_free(tmpbuf);
 805                 return -1;
 806                 }
 807         else memcpy(to, tmpbuf, flen);
 808
 809         OPENSSL_free(tmpbuf);
 810
 811         return flen;
 812 }
 813
 814 static int capi_rsa_free(RSA *rsa)
 815         {
 816         CAPI_KEY *capi_key;
 817         capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
 818         capi_free_key(capi_key);
 819         RSA_set_ex_data(rsa, rsa_capi_idx, 0);
 820         return 1;
 821         }
 822
 823 /* CryptoAPI DSA operations */
 824
 825 static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
 826                                                                 DSA *dsa)
 827         {
 828         HCRYPTHASH hash;
 829         DWORD slen;
 830         DSA_SIG *ret = NULL;
 831         CAPI_KEY *capi_key;
 832         CAPI_CTX *ctx;
 833         unsigned char csigbuf[40];
 834
 835         ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
 836
 837         CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
 838
 839         capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
 840
 841         if (!capi_key)
 842                 {
 843                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
 844                 return NULL;
 845                 }
 846
 847         if (dlen != 20)
 848                 {
 849                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
 850                 return NULL;
 851                 }
 852
 853         /* Create the hash object */
 854         if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
 855                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
 856                 capi_addlasterror();
 857                 return NULL;
 858         }
 859
 860         /* Set the hash value to the value passed */
 861         if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
 862                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
 863                 capi_addlasterror();
 864                 goto err;
 865         }
 866
 867
 868         /* Finally sign it */
 869         slen = sizeof(csigbuf);
 870         if(!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
 871                 {
 872                 CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
 873                 capi_addlasterror();
 874                 goto err;
 875                 }
 876         else
 877                 {
 878                 ret = DSA_SIG_new();
 879                 if (!ret)
 880                         goto err;
 881                 ret->r = BN_new();
 882                 ret->s = BN_new();
 883                 if (!ret->r || !ret->s)
 884                         goto err;
 885                 if (!lend_tobn(ret->r, csigbuf, 20)
 886                         || !lend_tobn(ret->s, csigbuf + 20, 20))
 887                         {
 888                         DSA_SIG_free(ret);
 889                         ret = NULL;
 890                         goto err;
 891                         }
 892                 }
 893
 894         /* Now cleanup */
 895
 896 err:
 897         OPENSSL_cleanse(csigbuf, 40);
 898         CryptDestroyHash(hash);
 899         return ret;
 900         }
 901
 902 static int capi_dsa_free(DSA *dsa)
 903         {
 904         CAPI_KEY *capi_key;
 905         capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
 906         capi_free_key(capi_key);
 907         DSA_set_ex_data(dsa, dsa_capi_idx, 0);
 908         return 1;
 909         }
 910
 911 static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
 912         {
 913         BIO *out;
 914
 915         if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
 916                 return;
 917         out = BIO_new_file(ctx->debug_file, "a+");
 918         BIO_vprintf(out, format, argptr);
 919         BIO_free(out);
 920         }
 921
 922 static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
 923         {
 924         va_list args;
 925         va_start(args, format);
 926         capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
 927         va_end(args);
 928         }
 929
 930 static void capi_addlasterror(void)
 931         {
 932         capi_adderror(GetLastError());
 933         }
 934
 935 static void capi_adderror(DWORD err)
 936         {
 937         char errstr[10];
 938         BIO_snprintf(errstr, 10, "%lX", err);
 939         ERR_add_error_data(2, "Error code= 0x", errstr);
 940         }
 941
 942 static char *wide_to_asc(LPWSTR wstr)
 943         {
 944         char *str;
 945         if (!wstr)
 946                 return NULL;
 947         str = OPENSSL_malloc(wcslen(wstr) + 1);
 948         if (!str)
 949                 {
 950                 CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
 951                 return NULL;
 952                 }
 953         sprintf(str, "%S", wstr);
 954         return str;
 955         }
 956
 957 static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
 958         {
 959         LPSTR name;
 960         DWORD len, err;
 961         CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
 962         if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len))
 963                 {
 964                 err = GetLastError();
 965                 if (err == ERROR_NO_MORE_ITEMS)
 966                         return 2;
 967                 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
 968                 capi_adderror(err);
 969                 return 0;
 970                 }
 971         name = OPENSSL_malloc(len);
 972                 if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len))
 973                 {
 974                 err = GetLastError();
 975                 if (err == ERROR_NO_MORE_ITEMS)
 976                         return 2;
 977                 CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
 978                 capi_adderror(err);
 979                 return 0;
 980                 }
 981         *pname = name;
 982         CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
 983
 984         return 1;
 985         }
 986
 987 static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
 988         {
 989         DWORD idx, ptype;
 990         int ret;
 991         LPTSTR provname = NULL;
 992         CAPI_trace(ctx, "capi_list_providers\n");
 993         BIO_printf(out, "Available CSPs:\n");
 994         for(idx = 0; ; idx++)
 995                 {
 996                 ret = capi_get_provname(ctx, &provname, &ptype, idx);
 997                 if (ret == 2)
 998                         break;
 999                 if (ret == 0)
1000                         break;
1001                 BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
1002                 OPENSSL_free(provname);
1003                 }
1004         return 1;
1005         }
1006
1007 static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
1008         {
1009         int ret = 1;
1010         HCRYPTPROV hprov;
1011         DWORD err, idx, flags, buflen = 0, clen;
1012         LPSTR cname;
1013         CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
1014         if (!CryptAcquireContext(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
1015                 {
1016                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1017                 capi_addlasterror();
1018                 return 0;
1019                 }
1020         if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
1021                 {
1022                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1023                 capi_addlasterror();
1024                 return 0;
1025                 }
1026         CAPI_trace(ctx, "Got max container len %d\n", buflen);
1027         if (buflen == 0)
1028                 buflen = 1024;
1029         cname = OPENSSL_malloc(buflen);
1030         if (!cname)
1031                 {
1032                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
1033                 goto err;
1034                 }
1035
1036         for (idx = 0;;idx++)
1037                 {
1038                         clen = buflen;
1039                         cname[0] = 0;
1040
1041                         if (idx == 0)
1042                                 flags = CRYPT_FIRST;
1043                         else
1044                                 flags = 0;
1045                         if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
1046                                 {
1047                                 err = GetLastError();
1048                                 if (err == ERROR_NO_MORE_ITEMS)
1049                                         goto done;
1050                                 CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
1051                                 capi_adderror(err);
1052                                 goto err;
1053                                 }
1054                         CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
1055                         if (!cname[0] && (clen == buflen))
1056                                 {
1057                                 CAPI_trace(ctx, "Enumerate bug: using workaround\n");
1058                                 goto done;
1059                                 }
1060                         BIO_printf(out, "%d. %s\n", idx, cname);
1061                 }
1062         err:
1063
1064         ret = 0;
1065
1066         done:
1067         if (cname)
1068                 OPENSSL_free(cname);
1069         CryptReleaseContext(hprov, 0);
1070
1071         return ret;
1072         }
1073
1074 CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1075         {
1076         DWORD len;
1077         CRYPT_KEY_PROV_INFO *pinfo;
1078
1079         if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
1080                 return NULL;
1081         pinfo = OPENSSL_malloc(len);
1082         if (!pinfo)
1083                 {
1084                 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
1085                 return NULL;
1086                 }
1087         if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
1088                 {
1089                 CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
1090                 capi_addlasterror();
1091                 OPENSSL_free(pinfo);
1092                 return NULL;
1093                 }
1094         return pinfo;
1095         }
1096
1097 static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
1098         {
1099         char *provname = NULL, *contname = NULL;
1100         if (!pinfo)
1101                 {
1102                 BIO_printf(out, "  No Private Key\n");
1103                 return;
1104                 }
1105         provname = wide_to_asc(pinfo->pwszProvName);
1106         contname = wide_to_asc(pinfo->pwszContainerName);
1107         if (!provname || !contname)
1108                 goto err;
1109
1110         BIO_printf(out, "  Private Key Info:\n");
1111         BIO_printf(out, "    Provider Name:  %s, Provider Type %d\n", provname, pinfo->dwProvType);
1112         BIO_printf(out, "    Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
1113         err:
1114         if (provname)
1115                 OPENSSL_free(provname);
1116         if (contname)
1117                 OPENSSL_free(contname);
1118         }
1119
1120 char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1121         {
1122         LPWSTR wfname;
1123         DWORD dlen;
1124
1125         CAPI_trace(ctx, "capi_cert_get_fname\n");
1126         if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
1127                 return NULL;
1128         wfname = OPENSSL_malloc(dlen);
1129         if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
1130                 {
1131                 char *fname = wide_to_asc(wfname);
1132                 OPENSSL_free(wfname);
1133                 return fname;
1134                 }
1135         CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
1136         capi_addlasterror();
1137
1138         OPENSSL_free(wfname);
1139         return NULL;
1140         }
1141
1142
1143 void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
1144         {
1145         X509 *x;
1146         unsigned char *p;
1147         unsigned long flags = ctx->dump_flags;
1148         if (flags & CAPI_DMP_FNAME)
1149                 {
1150                 char *fname;
1151                 fname = capi_cert_get_fname(ctx, cert);
1152                 if (fname)
1153                         {
1154                         BIO_printf(out, "  Friendly Name \"%s\"\n", fname);
1155                         OPENSSL_free(fname);
1156                         }
1157                 else
1158                         BIO_printf(out, "  <No Friendly Name>\n");
1159                 }
1160
1161         p = cert->pbCertEncoded;
1162         x = d2i_X509(NULL, &p, cert->cbCertEncoded);
1163         if (!x)
1164                 BIO_printf(out, "  <Can't parse certificate>\n");
1165         if (flags & CAPI_DMP_SUMMARY)
1166                 {
1167                 BIO_printf(out, "  Subject: ");
1168                 X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
1169                 BIO_printf(out, "\n  Issuer: ");
1170                 X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
1171                 BIO_printf(out, "\n");
1172                 }
1173         if (flags & CAPI_DMP_FULL)
1174                 X509_print_ex(out, x, XN_FLAG_ONELINE,0);
1175
1176         if (flags & CAPI_DMP_PKEYINFO)
1177                 {
1178                 CRYPT_KEY_PROV_INFO *pinfo;
1179                 pinfo = capi_get_prov_info(ctx, cert);
1180                 capi_dump_prov_info(ctx, out, pinfo);
1181                 if (pinfo)
1182                         OPENSSL_free(pinfo);
1183                 }
1184
1185         if (flags & CAPI_DMP_PEM)
1186                 PEM_write_bio_X509(out, x);
1187         X509_free(x);
1188         }
1189
1190 HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
1191         {
1192         HCERTSTORE hstore;
1193
1194         if (!storename)
1195                 storename = ctx->storename;
1196         if (!storename)
1197                 storename = "MY";
1198         CAPI_trace(ctx, "Opening certificate store %s\n", storename);
1199
1200         hstore = CertOpenSystemStore(0, storename);
1201         if (!hstore)
1202                 {
1203                 CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
1204                 capi_addlasterror();
1205                 }
1206         return hstore;
1207         }
1208
1209 int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
1210         {
1211         char *storename;
1212         int idx;
1213         int ret = 1;
1214         HCERTSTORE hstore;
1215         PCCERT_CONTEXT cert = NULL;
1216
1217         storename = ctx->storename;
1218         if (!storename)
1219                 storename = "MY";
1220         CAPI_trace(ctx, "Listing certs for store %s\n", storename);
1221
1222         hstore = capi_open_store(ctx, storename);
1223         if (!hstore)
1224                 return 0;
1225         if (id)
1226                 {
1227                 cert = capi_find_cert(ctx, id, hstore);
1228                 if (!cert)
1229                         {
1230                         ret = 0;
1231                         goto err;
1232                         }
1233                 capi_dump_cert(ctx, out, cert);
1234                 CertFreeCertificateContext(cert);
1235                 }
1236         else
1237                 {
1238                 for(idx = 0;;idx++)
1239                         {
1240                         LPWSTR fname = NULL;
1241                         cert = CertEnumCertificatesInStore(hstore, cert);
1242                         if (!cert)
1243                                 break;
1244                         BIO_printf(out, "Certificate %d\n", idx);
1245                         capi_dump_cert(ctx, out, cert);
1246                         }
1247                 }
1248         err:
1249         CertCloseStore(hstore, 0);
1250         return ret;
1251         }
1252
1253 static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
1254         {
1255         PCCERT_CONTEXT cert = NULL;
1256         char *fname = NULL;
1257         int match;
1258         switch(ctx->lookup_method)
1259                 {
1260                 case CAPI_LU_SUBSTR:
1261                         return CertFindCertificateInStore(hstore, X509_ASN_ENCODING, 0,
1262                                                                                         CERT_FIND_SUBJECT_STR_A, id, NULL);
1263                 case CAPI_LU_FNAME:
1264                         for(;;)
1265                                 {
1266                                 cert = CertEnumCertificatesInStore(hstore, cert);
1267                                 if (!cert)
1268                                         return NULL;
1269                                 fname = capi_cert_get_fname(ctx, cert);
1270                                 if (fname)
1271                                         {
1272                                         if (strcmp(fname, id))
1273                                                 match = 0;
1274                                         else
1275                                                 match = 1;
1276                                         OPENSSL_free(fname);
1277                                         if (match)
1278                                                 return cert;
1279                                         }
1280                                 }
1281                 default:
1282                         return NULL;
1283                 }
1284         }
1285
1286 static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
1287         {
1288         CAPI_KEY *key;
1289         key = OPENSSL_malloc(sizeof(CAPI_KEY));
1290         CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
1291                                                                                                                         contname, provname, ptype);
1292         if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, 0))
1293                 {
1294                 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1295                 capi_addlasterror();
1296                 goto err;
1297                 }
1298         if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
1299                 {
1300                 CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
1301                 capi_addlasterror();
1302                 CryptReleaseContext(key->hprov, 0);
1303                 goto err;
1304                 }
1305         key->keyspec = keyspec;
1306         return key;
1307
1308         err:
1309         OPENSSL_free(key);
1310         return NULL;
1311         }
1312
1313 static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
1314         {
1315         CAPI_KEY *key;
1316         CRYPT_KEY_PROV_INFO *pinfo = NULL;
1317         char *provname = NULL, *contname = NULL;
1318         pinfo = capi_get_prov_info(ctx, cert);
1319         if (!pinfo)
1320                 goto err;
1321         provname = wide_to_asc(pinfo->pwszProvName);
1322         contname = wide_to_asc(pinfo->pwszContainerName);
1323         if (!provname || !contname)
1324                 return 0;
1325
1326         key = capi_get_key(ctx, contname, provname, pinfo->dwProvType, pinfo->dwKeySpec);
1327
1328         err:
1329         if (pinfo)
1330                 OPENSSL_free(pinfo);
1331         if (provname)
1332                 OPENSSL_free(provname);
1333         if (contname)
1334                 OPENSSL_free(contname);
1335         return key;
1336         }
1337
1338 CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
1339         {
1340         PCCERT_CONTEXT cert;
1341         HCERTSTORE hstore;
1342         CAPI_KEY *key = NULL;
1343         switch (ctx->lookup_method)
1344                 {
1345                 case CAPI_LU_SUBSTR:
1346                 case CAPI_LU_FNAME:
1347                 hstore = capi_open_store(ctx, NULL);
1348                 if (!hstore)
1349                         return NULL;
1350                 cert = capi_find_cert(ctx, id, hstore);
1351                 if (cert)
1352                         {
1353                         key = capi_get_cert_key(ctx, cert);
1354                         CertFreeCertificateContext(cert);
1355                         }
1356                 CertCloseStore(hstore, 0);
1357                 break;
1358
1359                 case CAPI_LU_CONTNAME:
1360                 key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype);
1361                 break;
1362                 }
1363
1364         return key;
1365         }
1366
1367 void capi_free_key(CAPI_KEY *key)
1368         {
1369         if (!key)
1370                 return;
1371         CryptDestroyKey(key->key);
1372         CryptReleaseContext(key->hprov, 0);
1373         OPENSSL_free(key);
1374         }
1375
1376
1377 /* Initialize a CAPI_CTX structure */
1378
1379 static CAPI_CTX *capi_ctx_new()
1380         {
1381         CAPI_CTX *ctx;
1382         ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
1383         if (!ctx)
1384                 {
1385                 CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
1386                 return NULL;
1387                 }
1388         ctx->cspname = NULL;
1389         ctx->csptype = PROV_RSA_FULL;
1390         ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
1391         ctx->keytype = AT_KEYEXCHANGE;
1392         ctx->storename = NULL;
1393         ctx->lookup_method = CAPI_LU_SUBSTR;
1394         ctx->debug_level = 0;
1395         ctx->debug_file = NULL;
1396         return ctx;
1397         }
1398
1399 static void capi_ctx_free(CAPI_CTX *ctx)
1400         {
1401         CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
1402         if (!ctx)
1403                 return;
1404         if (ctx->cspname)
1405                 OPENSSL_free(ctx->cspname);
1406         if (ctx->debug_file)
1407                 OPENSSL_free(ctx->debug_file);
1408         if (ctx->storename)
1409                 OPENSSL_free(ctx->storename);
1410         OPENSSL_free(ctx);
1411         }
1412
1413 static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
1414         {
1415         CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
1416         if (check)
1417                 {
1418                 HCRYPTPROV hprov;
1419                 if (!CryptAcquireContext(&hprov, NULL, pname, type, CRYPT_VERIFYCONTEXT))
1420                         {
1421                         CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
1422                         capi_addlasterror();
1423                         return 0;
1424                         }
1425                 CryptReleaseContext(hprov, 0);
1426                 }
1427         ctx->cspname = BUF_strdup(pname);
1428         ctx->csptype = type;
1429         return 1;
1430         }
1431
1432 static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
1433         {
1434         LPSTR pname;
1435         DWORD type;
1436         if (capi_get_provname(ctx, &pname, &type, idx) != 1)
1437                 return 0;
1438         return capi_ctx_set_provname(ctx, pname, type, 0);
1439         }
1440
1441 #endif
1442 #endif