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