[331] | 1 | /*
|
---|
| 2 | * Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
|
---|
| 3 | *
|
---|
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
|
---|
| 5 | * this file except in compliance with the License. You can obtain a copy
|
---|
| 6 | * in the file LICENSE in the source distribution or at
|
---|
| 7 | * https://www.openssl.org/source/license.html
|
---|
| 8 | */
|
---|
| 9 |
|
---|
| 10 | #ifdef _WIN32
|
---|
| 11 | # ifndef _WIN32_WINNT
|
---|
| 12 | # define _WIN32_WINNT 0x0400
|
---|
| 13 | # endif
|
---|
| 14 | # include <windows.h>
|
---|
| 15 | # include <wincrypt.h>
|
---|
| 16 |
|
---|
| 17 | # include <stdio.h>
|
---|
| 18 | # include <string.h>
|
---|
| 19 | # include <stdlib.h>
|
---|
| 20 | # include <malloc.h>
|
---|
| 21 | # ifndef alloca
|
---|
| 22 | # define alloca _alloca
|
---|
| 23 | # endif
|
---|
| 24 |
|
---|
| 25 | # include <openssl/crypto.h>
|
---|
| 26 |
|
---|
| 27 | # ifndef OPENSSL_NO_CAPIENG
|
---|
| 28 |
|
---|
| 29 | # include <openssl/buffer.h>
|
---|
| 30 | # include <openssl/bn.h>
|
---|
| 31 | # include <openssl/rsa.h>
|
---|
| 32 | # include <openssl/dsa.h>
|
---|
| 33 |
|
---|
| 34 | /*
|
---|
| 35 | * This module uses several "new" interfaces, among which is
|
---|
| 36 | * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
|
---|
| 37 | * one of possible values you can pass to function in question. By
|
---|
| 38 | * checking if it's defined we can see if wincrypt.h and accompanying
|
---|
| 39 | * crypt32.lib are in shape. The native MingW32 headers up to and
|
---|
| 40 | * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
|
---|
| 41 | * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
|
---|
| 42 | * so we check for these too and avoid compiling.
|
---|
| 43 | * Yes, it's rather "weak" test and if compilation fails,
|
---|
| 44 | * then re-configure with -DOPENSSL_NO_CAPIENG.
|
---|
| 45 | */
|
---|
| 46 | # if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
|
---|
| 47 | defined(CERT_STORE_PROV_SYSTEM_A) && \
|
---|
| 48 | defined(CERT_STORE_READONLY_FLAG)
|
---|
| 49 | # define __COMPILE_CAPIENG
|
---|
| 50 | # endif /* CERT_KEY_PROV_INFO_PROP_ID */
|
---|
| 51 | # endif /* OPENSSL_NO_CAPIENG */
|
---|
| 52 | #endif /* _WIN32 */
|
---|
| 53 |
|
---|
| 54 | #ifdef __COMPILE_CAPIENG
|
---|
| 55 |
|
---|
| 56 | # undef X509_EXTENSIONS
|
---|
| 57 |
|
---|
| 58 | /* Definitions which may be missing from earlier version of headers */
|
---|
| 59 | # ifndef CERT_STORE_OPEN_EXISTING_FLAG
|
---|
| 60 | # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
|
---|
| 61 | # endif
|
---|
| 62 |
|
---|
| 63 | # ifndef CERT_STORE_CREATE_NEW_FLAG
|
---|
| 64 | # define CERT_STORE_CREATE_NEW_FLAG 0x00002000
|
---|
| 65 | # endif
|
---|
| 66 |
|
---|
| 67 | # ifndef CERT_SYSTEM_STORE_CURRENT_USER
|
---|
| 68 | # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
|
---|
| 69 | # endif
|
---|
| 70 |
|
---|
| 71 | # ifndef ALG_SID_SHA_256
|
---|
| 72 | # define ALG_SID_SHA_256 12
|
---|
| 73 | # endif
|
---|
| 74 | # ifndef ALG_SID_SHA_384
|
---|
| 75 | # define ALG_SID_SHA_384 13
|
---|
| 76 | # endif
|
---|
| 77 | # ifndef ALG_SID_SHA_512
|
---|
| 78 | # define ALG_SID_SHA_512 14
|
---|
| 79 | # endif
|
---|
| 80 |
|
---|
| 81 | # ifndef CALG_SHA_256
|
---|
| 82 | # define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256)
|
---|
| 83 | # endif
|
---|
| 84 | # ifndef CALG_SHA_384
|
---|
| 85 | # define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384)
|
---|
| 86 | # endif
|
---|
| 87 | # ifndef CALG_SHA_512
|
---|
| 88 | # define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512)
|
---|
| 89 | # endif
|
---|
| 90 |
|
---|
| 91 | # ifndef PROV_RSA_AES
|
---|
| 92 | # define PROV_RSA_AES 24
|
---|
| 93 | # endif
|
---|
| 94 |
|
---|
| 95 | # include <openssl/engine.h>
|
---|
| 96 | # include <openssl/pem.h>
|
---|
| 97 | # include <openssl/x509v3.h>
|
---|
| 98 |
|
---|
| 99 | # include "e_capi_err.h"
|
---|
| 100 | # include "e_capi_err.c"
|
---|
| 101 |
|
---|
| 102 | static const char *engine_capi_id = "capi";
|
---|
| 103 | static const char *engine_capi_name = "CryptoAPI ENGINE";
|
---|
| 104 |
|
---|
| 105 | typedef struct CAPI_CTX_st CAPI_CTX;
|
---|
| 106 | typedef struct CAPI_KEY_st CAPI_KEY;
|
---|
| 107 |
|
---|
| 108 | static void capi_addlasterror(void);
|
---|
| 109 | static void capi_adderror(DWORD err);
|
---|
| 110 |
|
---|
| 111 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...);
|
---|
| 112 |
|
---|
| 113 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out);
|
---|
| 114 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out);
|
---|
| 115 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename);
|
---|
| 116 | void capi_free_key(CAPI_KEY * key);
|
---|
| 117 |
|
---|
| 118 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
|
---|
| 119 | HCERTSTORE hstore);
|
---|
| 120 |
|
---|
| 121 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id);
|
---|
| 122 |
|
---|
| 123 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
|
---|
| 124 | UI_METHOD *ui_method, void *callback_data);
|
---|
| 125 | static int capi_rsa_sign(int dtype, const unsigned char *m,
|
---|
| 126 | unsigned int m_len, unsigned char *sigret,
|
---|
| 127 | unsigned int *siglen, const RSA *rsa);
|
---|
| 128 | static int capi_rsa_priv_enc(int flen, const unsigned char *from,
|
---|
| 129 | unsigned char *to, RSA *rsa, int padding);
|
---|
| 130 | static int capi_rsa_priv_dec(int flen, const unsigned char *from,
|
---|
| 131 | unsigned char *to, RSA *rsa, int padding);
|
---|
| 132 | static int capi_rsa_free(RSA *rsa);
|
---|
| 133 |
|
---|
| 134 | # ifndef OPENSSL_NO_DSA
|
---|
| 135 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
|
---|
| 136 | DSA *dsa);
|
---|
| 137 | static int capi_dsa_free(DSA *dsa);
|
---|
| 138 | # endif
|
---|
| 139 |
|
---|
| 140 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
|
---|
| 141 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
|
---|
| 142 | EVP_PKEY **pkey, STACK_OF(X509) **pother,
|
---|
| 143 | UI_METHOD *ui_method,
|
---|
| 144 | void *callback_data);
|
---|
| 145 |
|
---|
| 146 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
|
---|
| 147 | # ifdef OPENSSL_CAPIENG_DIALOG
|
---|
| 148 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
|
---|
| 149 | # endif
|
---|
| 150 |
|
---|
| 151 | void engine_load_capi_int(void);
|
---|
| 152 |
|
---|
| 153 | typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR,
|
---|
| 154 | LPCWSTR, DWORD, DWORD, void *);
|
---|
| 155 | typedef HWND(WINAPI *GETCONSWIN) (void);
|
---|
| 156 |
|
---|
| 157 | /*
|
---|
| 158 | * This structure contains CAPI ENGINE specific data: it contains various
|
---|
| 159 | * global options and affects how other functions behave.
|
---|
| 160 | */
|
---|
| 161 |
|
---|
| 162 | # define CAPI_DBG_TRACE 2
|
---|
| 163 | # define CAPI_DBG_ERROR 1
|
---|
| 164 |
|
---|
| 165 | struct CAPI_CTX_st {
|
---|
| 166 | int debug_level;
|
---|
| 167 | char *debug_file;
|
---|
| 168 | /* Parameters to use for container lookup */
|
---|
| 169 | DWORD keytype;
|
---|
| 170 | LPSTR cspname;
|
---|
| 171 | DWORD csptype;
|
---|
| 172 | /* Certificate store name to use */
|
---|
| 173 | LPSTR storename;
|
---|
| 174 | LPSTR ssl_client_store;
|
---|
| 175 | /* System store flags */
|
---|
| 176 | DWORD store_flags;
|
---|
| 177 | /* Lookup string meanings in load_private_key */
|
---|
| 178 | /* Substring of subject: uses "storename" */
|
---|
| 179 | # define CAPI_LU_SUBSTR 1
|
---|
| 180 | /* Friendly name: uses storename */
|
---|
| 181 | # define CAPI_LU_FNAME 2
|
---|
| 182 | /* Container name: uses cspname, keytype */
|
---|
| 183 | # define CAPI_LU_CONTNAME 3
|
---|
| 184 | int lookup_method;
|
---|
| 185 | /* Info to dump with dumpcerts option */
|
---|
| 186 | /* Issuer and serial name strings */
|
---|
| 187 | # define CAPI_DMP_SUMMARY 0x1
|
---|
| 188 | /* Friendly name */
|
---|
| 189 | # define CAPI_DMP_FNAME 0x2
|
---|
| 190 | /* Full X509_print dump */
|
---|
| 191 | # define CAPI_DMP_FULL 0x4
|
---|
| 192 | /* Dump PEM format certificate */
|
---|
| 193 | # define CAPI_DMP_PEM 0x8
|
---|
| 194 | /* Dump pseudo key (if possible) */
|
---|
| 195 | # define CAPI_DMP_PSKEY 0x10
|
---|
| 196 | /* Dump key info (if possible) */
|
---|
| 197 | # define CAPI_DMP_PKEYINFO 0x20
|
---|
| 198 | DWORD dump_flags;
|
---|
| 199 | int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
|
---|
| 200 | CERTDLG certselectdlg;
|
---|
| 201 | GETCONSWIN getconswindow;
|
---|
| 202 | };
|
---|
| 203 |
|
---|
| 204 | static CAPI_CTX *capi_ctx_new(void);
|
---|
| 205 | static void capi_ctx_free(CAPI_CTX * ctx);
|
---|
| 206 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
|
---|
| 207 | int check);
|
---|
| 208 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx);
|
---|
| 209 |
|
---|
| 210 | # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
|
---|
| 211 | # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
|
---|
| 212 | # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
|
---|
| 213 | # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
|
---|
| 214 | # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
|
---|
| 215 | # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
|
---|
| 216 | # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
|
---|
| 217 | # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
|
---|
| 218 | # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
|
---|
| 219 | # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
|
---|
| 220 | # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
|
---|
| 221 | # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
|
---|
| 222 | # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
|
---|
| 223 | # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
|
---|
| 224 |
|
---|
| 225 | static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
|
---|
| 226 | {CAPI_CMD_LIST_CERTS,
|
---|
| 227 | "list_certs",
|
---|
| 228 | "List all certificates in store",
|
---|
| 229 | ENGINE_CMD_FLAG_NO_INPUT},
|
---|
| 230 | {CAPI_CMD_LOOKUP_CERT,
|
---|
| 231 | "lookup_cert",
|
---|
| 232 | "Lookup and output certificates",
|
---|
| 233 | ENGINE_CMD_FLAG_STRING},
|
---|
| 234 | {CAPI_CMD_DEBUG_LEVEL,
|
---|
| 235 | "debug_level",
|
---|
| 236 | "debug level (1=errors, 2=trace)",
|
---|
| 237 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 238 | {CAPI_CMD_DEBUG_FILE,
|
---|
| 239 | "debug_file",
|
---|
| 240 | "debugging filename)",
|
---|
| 241 | ENGINE_CMD_FLAG_STRING},
|
---|
| 242 | {CAPI_CMD_KEYTYPE,
|
---|
| 243 | "key_type",
|
---|
| 244 | "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
|
---|
| 245 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 246 | {CAPI_CMD_LIST_CSPS,
|
---|
| 247 | "list_csps",
|
---|
| 248 | "List all CSPs",
|
---|
| 249 | ENGINE_CMD_FLAG_NO_INPUT},
|
---|
| 250 | {CAPI_CMD_SET_CSP_IDX,
|
---|
| 251 | "csp_idx",
|
---|
| 252 | "Set CSP by index",
|
---|
| 253 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 254 | {CAPI_CMD_SET_CSP_NAME,
|
---|
| 255 | "csp_name",
|
---|
| 256 | "Set CSP name, (default CSP used if not specified)",
|
---|
| 257 | ENGINE_CMD_FLAG_STRING},
|
---|
| 258 | {CAPI_CMD_SET_CSP_TYPE,
|
---|
| 259 | "csp_type",
|
---|
| 260 | "Set CSP type, (default RSA_PROV_FULL)",
|
---|
| 261 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 262 | {CAPI_CMD_LIST_CONTAINERS,
|
---|
| 263 | "list_containers",
|
---|
| 264 | "list container names",
|
---|
| 265 | ENGINE_CMD_FLAG_NO_INPUT},
|
---|
| 266 | {CAPI_CMD_LIST_OPTIONS,
|
---|
| 267 | "list_options",
|
---|
| 268 | "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
|
---|
| 269 | "32=private key info)",
|
---|
| 270 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 271 | {CAPI_CMD_LOOKUP_METHOD,
|
---|
| 272 | "lookup_method",
|
---|
| 273 | "Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
|
---|
| 274 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 275 | {CAPI_CMD_STORE_NAME,
|
---|
| 276 | "store_name",
|
---|
| 277 | "certificate store name, default \"MY\"",
|
---|
| 278 | ENGINE_CMD_FLAG_STRING},
|
---|
| 279 | {CAPI_CMD_STORE_FLAGS,
|
---|
| 280 | "store_flags",
|
---|
| 281 | "Certificate store flags: 1 = system store",
|
---|
| 282 | ENGINE_CMD_FLAG_NUMERIC},
|
---|
| 283 |
|
---|
| 284 | {0, NULL, NULL, 0}
|
---|
| 285 | };
|
---|
| 286 |
|
---|
| 287 | static int capi_idx = -1;
|
---|
| 288 | static int rsa_capi_idx = -1;
|
---|
| 289 | static int dsa_capi_idx = -1;
|
---|
| 290 | static int cert_capi_idx = -1;
|
---|
| 291 |
|
---|
| 292 | static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
|
---|
| 293 | {
|
---|
| 294 | int ret = 1;
|
---|
| 295 | CAPI_CTX *ctx;
|
---|
| 296 | BIO *out;
|
---|
| 297 | LPSTR tmpstr;
|
---|
| 298 | if (capi_idx == -1) {
|
---|
| 299 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
|
---|
| 300 | return 0;
|
---|
| 301 | }
|
---|
| 302 | ctx = ENGINE_get_ex_data(e, capi_idx);
|
---|
| 303 | out = BIO_new_fp(stdout, BIO_NOCLOSE);
|
---|
| 304 | if (out == NULL) {
|
---|
| 305 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_FILE_OPEN_ERROR);
|
---|
| 306 | return 0;
|
---|
| 307 | }
|
---|
| 308 | switch (cmd) {
|
---|
| 309 | case CAPI_CMD_LIST_CSPS:
|
---|
| 310 | ret = capi_list_providers(ctx, out);
|
---|
| 311 | break;
|
---|
| 312 |
|
---|
| 313 | case CAPI_CMD_LIST_CERTS:
|
---|
| 314 | ret = capi_list_certs(ctx, out, NULL);
|
---|
| 315 | break;
|
---|
| 316 |
|
---|
| 317 | case CAPI_CMD_LOOKUP_CERT:
|
---|
| 318 | ret = capi_list_certs(ctx, out, p);
|
---|
| 319 | break;
|
---|
| 320 |
|
---|
| 321 | case CAPI_CMD_LIST_CONTAINERS:
|
---|
| 322 | ret = capi_list_containers(ctx, out);
|
---|
| 323 | break;
|
---|
| 324 |
|
---|
| 325 | case CAPI_CMD_STORE_NAME:
|
---|
| 326 | tmpstr = OPENSSL_strdup(p);
|
---|
| 327 | if (tmpstr != NULL) {
|
---|
| 328 | OPENSSL_free(ctx->storename);
|
---|
| 329 | ctx->storename = tmpstr;
|
---|
| 330 | CAPI_trace(ctx, "Setting store name to %s\n", p);
|
---|
| 331 | } else {
|
---|
| 332 | CAPIerr(CAPI_F_CAPI_CTRL, ERR_R_MALLOC_FAILURE);
|
---|
| 333 | ret = 0;
|
---|
| 334 | }
|
---|
| 335 | break;
|
---|
| 336 |
|
---|
| 337 | case CAPI_CMD_STORE_FLAGS:
|
---|
| 338 | if (i & 1) {
|
---|
| 339 | ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
|
---|
| 340 | ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
|
---|
| 341 | } else {
|
---|
| 342 | ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
|
---|
| 343 | ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
|
---|
| 344 | }
|
---|
| 345 | CAPI_trace(ctx, "Setting flags to %d\n", i);
|
---|
| 346 | break;
|
---|
| 347 |
|
---|
| 348 | case CAPI_CMD_DEBUG_LEVEL:
|
---|
| 349 | ctx->debug_level = (int)i;
|
---|
| 350 | CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
|
---|
| 351 | break;
|
---|
| 352 |
|
---|
| 353 | case CAPI_CMD_DEBUG_FILE:
|
---|
| 354 | tmpstr = OPENSSL_strdup(p);
|
---|
| 355 | if (tmpstr != NULL) {
|
---|
| 356 | ctx->debug_file = tmpstr;
|
---|
| 357 | CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
|
---|
| 358 | } else {
|
---|
| 359 | CAPIerr(CAPI_F_CAPI_CTRL, ERR_R_MALLOC_FAILURE);
|
---|
| 360 | ret = 0;
|
---|
| 361 | }
|
---|
| 362 | break;
|
---|
| 363 |
|
---|
| 364 | case CAPI_CMD_KEYTYPE:
|
---|
| 365 | ctx->keytype = i;
|
---|
| 366 | CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
|
---|
| 367 | break;
|
---|
| 368 |
|
---|
| 369 | case CAPI_CMD_SET_CSP_IDX:
|
---|
| 370 | ret = capi_ctx_set_provname_idx(ctx, i);
|
---|
| 371 | break;
|
---|
| 372 |
|
---|
| 373 | case CAPI_CMD_LIST_OPTIONS:
|
---|
| 374 | ctx->dump_flags = i;
|
---|
| 375 | break;
|
---|
| 376 |
|
---|
| 377 | case CAPI_CMD_LOOKUP_METHOD:
|
---|
| 378 | if (i < 1 || i > 3) {
|
---|
| 379 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
|
---|
| 380 | BIO_free(out);
|
---|
| 381 | return 0;
|
---|
| 382 | }
|
---|
| 383 | ctx->lookup_method = i;
|
---|
| 384 | break;
|
---|
| 385 |
|
---|
| 386 | case CAPI_CMD_SET_CSP_NAME:
|
---|
| 387 | ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
|
---|
| 388 | break;
|
---|
| 389 |
|
---|
| 390 | case CAPI_CMD_SET_CSP_TYPE:
|
---|
| 391 | ctx->csptype = i;
|
---|
| 392 | break;
|
---|
| 393 |
|
---|
| 394 | default:
|
---|
| 395 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
|
---|
| 396 | ret = 0;
|
---|
| 397 | }
|
---|
| 398 |
|
---|
| 399 | BIO_free(out);
|
---|
| 400 | return ret;
|
---|
| 401 |
|
---|
| 402 | }
|
---|
| 403 |
|
---|
| 404 | static RSA_METHOD *capi_rsa_method = NULL;
|
---|
| 405 | # ifndef OPENSSL_NO_DSA
|
---|
| 406 | static DSA_METHOD *capi_dsa_method = NULL;
|
---|
| 407 | # endif
|
---|
| 408 |
|
---|
| 409 | static int use_aes_csp = 0;
|
---|
| 410 |
|
---|
| 411 | static int capi_init(ENGINE *e)
|
---|
| 412 | {
|
---|
| 413 | CAPI_CTX *ctx;
|
---|
| 414 | const RSA_METHOD *ossl_rsa_meth;
|
---|
| 415 | # ifndef OPENSSL_NO_DSA
|
---|
| 416 | const DSA_METHOD *ossl_dsa_meth;
|
---|
| 417 | # endif
|
---|
| 418 | HCRYPTPROV hprov;
|
---|
| 419 |
|
---|
| 420 | if (capi_idx < 0) {
|
---|
| 421 | capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
|
---|
| 422 | if (capi_idx < 0)
|
---|
| 423 | goto memerr;
|
---|
| 424 |
|
---|
| 425 | cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
|
---|
| 426 |
|
---|
| 427 | /* Setup RSA_METHOD */
|
---|
| 428 | rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
|
---|
| 429 | ossl_rsa_meth = RSA_PKCS1_OpenSSL();
|
---|
| 430 | if ( !RSA_meth_set_pub_enc(capi_rsa_method,
|
---|
| 431 | RSA_meth_get_pub_enc(ossl_rsa_meth))
|
---|
| 432 | || !RSA_meth_set_pub_dec(capi_rsa_method,
|
---|
| 433 | RSA_meth_get_pub_dec(ossl_rsa_meth))
|
---|
| 434 | || !RSA_meth_set_priv_enc(capi_rsa_method, capi_rsa_priv_enc)
|
---|
| 435 | || !RSA_meth_set_priv_dec(capi_rsa_method, capi_rsa_priv_dec)
|
---|
| 436 | || !RSA_meth_set_mod_exp(capi_rsa_method,
|
---|
| 437 | RSA_meth_get_mod_exp(ossl_rsa_meth))
|
---|
| 438 | || !RSA_meth_set_bn_mod_exp(capi_rsa_method,
|
---|
| 439 | RSA_meth_get_bn_mod_exp(ossl_rsa_meth))
|
---|
| 440 | || !RSA_meth_set_finish(capi_rsa_method, capi_rsa_free)
|
---|
| 441 | || !RSA_meth_set_sign(capi_rsa_method, capi_rsa_sign)) {
|
---|
| 442 | goto memerr;
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | # ifndef OPENSSL_NO_DSA
|
---|
| 446 | /* Setup DSA Method */
|
---|
| 447 | dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
|
---|
| 448 | ossl_dsa_meth = DSA_OpenSSL();
|
---|
| 449 | if ( !DSA_meth_set_sign(capi_dsa_method, capi_dsa_do_sign)
|
---|
| 450 | || !DSA_meth_set_verify(capi_dsa_method,
|
---|
| 451 | DSA_meth_get_verify(ossl_dsa_meth))
|
---|
| 452 | || !DSA_meth_set_finish(capi_dsa_method, capi_dsa_free)
|
---|
| 453 | || !DSA_meth_set_mod_exp(capi_dsa_method,
|
---|
| 454 | DSA_meth_get_mod_exp(ossl_dsa_meth))
|
---|
| 455 | || !DSA_meth_set_bn_mod_exp(capi_dsa_method,
|
---|
| 456 | DSA_meth_get_bn_mod_exp(ossl_dsa_meth))) {
|
---|
| 457 | goto memerr;
|
---|
| 458 | }
|
---|
| 459 | # endif
|
---|
| 460 | }
|
---|
| 461 |
|
---|
| 462 | ctx = capi_ctx_new();
|
---|
| 463 | if (ctx == NULL)
|
---|
| 464 | goto memerr;
|
---|
| 465 |
|
---|
| 466 | ENGINE_set_ex_data(e, capi_idx, ctx);
|
---|
| 467 |
|
---|
| 468 | # ifdef OPENSSL_CAPIENG_DIALOG
|
---|
| 469 | {
|
---|
| 470 | HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
|
---|
| 471 | HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
|
---|
| 472 | if (cryptui)
|
---|
| 473 | ctx->certselectdlg =
|
---|
| 474 | (CERTDLG) GetProcAddress(cryptui,
|
---|
| 475 | "CryptUIDlgSelectCertificateFromStore");
|
---|
| 476 | if (kernel)
|
---|
| 477 | ctx->getconswindow =
|
---|
| 478 | (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow");
|
---|
| 479 | if (cryptui && !OPENSSL_isservice())
|
---|
| 480 | ctx->client_cert_select = cert_select_dialog;
|
---|
| 481 | }
|
---|
| 482 | # endif
|
---|
| 483 |
|
---|
| 484 | /* See if we support AES CSP */
|
---|
| 485 |
|
---|
| 486 | if (CryptAcquireContext(&hprov, NULL, NULL, PROV_RSA_AES,
|
---|
| 487 | CRYPT_VERIFYCONTEXT)) {
|
---|
| 488 | use_aes_csp = 1;
|
---|
| 489 | CryptReleaseContext(hprov, 0);
|
---|
| 490 | }
|
---|
| 491 |
|
---|
| 492 | return 1;
|
---|
| 493 |
|
---|
| 494 | memerr:
|
---|
| 495 | CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
|
---|
| 496 | return 0;
|
---|
| 497 |
|
---|
| 498 | return 1;
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | static int capi_destroy(ENGINE *e)
|
---|
| 502 | {
|
---|
| 503 | RSA_meth_free(capi_rsa_method);
|
---|
| 504 | capi_rsa_method = NULL;
|
---|
| 505 | # ifndef OPENSSL_NO_DSA
|
---|
| 506 | DSA_meth_free(capi_dsa_method);
|
---|
| 507 | capi_dsa_method = NULL;
|
---|
| 508 | # endif
|
---|
| 509 | ERR_unload_CAPI_strings();
|
---|
| 510 | return 1;
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | static int capi_finish(ENGINE *e)
|
---|
| 514 | {
|
---|
| 515 | CAPI_CTX *ctx;
|
---|
| 516 | ctx = ENGINE_get_ex_data(e, capi_idx);
|
---|
| 517 | capi_ctx_free(ctx);
|
---|
| 518 | ENGINE_set_ex_data(e, capi_idx, NULL);
|
---|
| 519 | return 1;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | /*
|
---|
| 523 | * CryptoAPI key application data. This contains a handle to the private key
|
---|
| 524 | * container (for sign operations) and a handle to the key (for decrypt
|
---|
| 525 | * operations).
|
---|
| 526 | */
|
---|
| 527 |
|
---|
| 528 | struct CAPI_KEY_st {
|
---|
| 529 | /* Associated certificate context (if any) */
|
---|
| 530 | PCCERT_CONTEXT pcert;
|
---|
| 531 | HCRYPTPROV hprov;
|
---|
| 532 | HCRYPTKEY key;
|
---|
| 533 | DWORD keyspec;
|
---|
| 534 | };
|
---|
| 535 |
|
---|
| 536 | static int bind_capi(ENGINE *e)
|
---|
| 537 | {
|
---|
| 538 | capi_rsa_method = RSA_meth_new("CryptoAPI RSA method", 0);
|
---|
| 539 | if (capi_rsa_method == NULL)
|
---|
| 540 | return 0;
|
---|
| 541 | # ifndef OPENSSL_NO_DSA
|
---|
| 542 | capi_dsa_method = DSA_meth_new("CryptoAPI DSA method", 0);
|
---|
| 543 | if (capi_dsa_method == NULL)
|
---|
| 544 | goto memerr;
|
---|
| 545 | # endif
|
---|
| 546 | if (!ENGINE_set_id(e, engine_capi_id)
|
---|
| 547 | || !ENGINE_set_name(e, engine_capi_name)
|
---|
| 548 | || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL)
|
---|
| 549 | || !ENGINE_set_init_function(e, capi_init)
|
---|
| 550 | || !ENGINE_set_finish_function(e, capi_finish)
|
---|
| 551 | || !ENGINE_set_destroy_function(e, capi_destroy)
|
---|
| 552 | || !ENGINE_set_RSA(e, capi_rsa_method)
|
---|
| 553 | # ifndef OPENSSL_NO_DSA
|
---|
| 554 | || !ENGINE_set_DSA(e, capi_dsa_method)
|
---|
| 555 | # endif
|
---|
| 556 | || !ENGINE_set_load_privkey_function(e, capi_load_privkey)
|
---|
| 557 | || !ENGINE_set_load_ssl_client_cert_function(e,
|
---|
| 558 | capi_load_ssl_client_cert)
|
---|
| 559 | || !ENGINE_set_cmd_defns(e, capi_cmd_defns)
|
---|
| 560 | || !ENGINE_set_ctrl_function(e, capi_ctrl))
|
---|
| 561 | goto memerr;
|
---|
| 562 | ERR_load_CAPI_strings();
|
---|
| 563 |
|
---|
| 564 | return 1;
|
---|
| 565 | memerr:
|
---|
| 566 | RSA_meth_free(capi_rsa_method);
|
---|
| 567 | capi_rsa_method = NULL;
|
---|
| 568 | # ifndef OPENSSL_NO_DSA
|
---|
| 569 | DSA_meth_free(capi_dsa_method);
|
---|
| 570 | capi_dsa_method = NULL;
|
---|
| 571 | # endif
|
---|
| 572 | return 0;
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE
|
---|
| 576 | static int bind_helper(ENGINE *e, const char *id)
|
---|
| 577 | {
|
---|
| 578 | if (id && (strcmp(id, engine_capi_id) != 0))
|
---|
| 579 | return 0;
|
---|
| 580 | if (!bind_capi(e))
|
---|
| 581 | return 0;
|
---|
| 582 | return 1;
|
---|
| 583 | }
|
---|
| 584 |
|
---|
| 585 | IMPLEMENT_DYNAMIC_CHECK_FN()
|
---|
| 586 | IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
|
---|
| 587 | # else
|
---|
| 588 | static ENGINE *engine_capi(void)
|
---|
| 589 | {
|
---|
| 590 | ENGINE *ret = ENGINE_new();
|
---|
| 591 | if (ret == NULL)
|
---|
| 592 | return NULL;
|
---|
| 593 | if (!bind_capi(ret)) {
|
---|
| 594 | ENGINE_free(ret);
|
---|
| 595 | return NULL;
|
---|
| 596 | }
|
---|
| 597 | return ret;
|
---|
| 598 | }
|
---|
| 599 |
|
---|
| 600 | void engine_load_capi_int(void)
|
---|
| 601 | {
|
---|
| 602 | /* Copied from eng_[openssl|dyn].c */
|
---|
| 603 | ENGINE *toadd = engine_capi();
|
---|
| 604 | if (!toadd)
|
---|
| 605 | return;
|
---|
| 606 | ENGINE_add(toadd);
|
---|
| 607 | ENGINE_free(toadd);
|
---|
| 608 | ERR_clear_error();
|
---|
| 609 | }
|
---|
| 610 | # endif
|
---|
| 611 |
|
---|
| 612 | static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
|
---|
| 613 | {
|
---|
| 614 | int i;
|
---|
| 615 | /*
|
---|
| 616 | * Reverse buffer in place: since this is a keyblob structure that will
|
---|
| 617 | * be freed up after conversion anyway it doesn't matter if we change
|
---|
| 618 | * it.
|
---|
| 619 | */
|
---|
| 620 | for (i = 0; i < binlen / 2; i++) {
|
---|
| 621 | unsigned char c;
|
---|
| 622 | c = bin[i];
|
---|
| 623 | bin[i] = bin[binlen - i - 1];
|
---|
| 624 | bin[binlen - i - 1] = c;
|
---|
| 625 | }
|
---|
| 626 |
|
---|
| 627 | if (!BN_bin2bn(bin, binlen, bn))
|
---|
| 628 | return 0;
|
---|
| 629 | return 1;
|
---|
| 630 | }
|
---|
| 631 |
|
---|
| 632 | /* Given a CAPI_KEY get an EVP_PKEY structure */
|
---|
| 633 |
|
---|
| 634 | static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key)
|
---|
| 635 | {
|
---|
| 636 | unsigned char *pubkey = NULL;
|
---|
| 637 | DWORD len;
|
---|
| 638 | BLOBHEADER *bh;
|
---|
| 639 | RSA *rkey = NULL;
|
---|
| 640 | DSA *dkey = NULL;
|
---|
| 641 | EVP_PKEY *ret = NULL;
|
---|
| 642 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) {
|
---|
| 643 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
|
---|
| 644 | capi_addlasterror();
|
---|
| 645 | return NULL;
|
---|
| 646 | }
|
---|
| 647 |
|
---|
| 648 | pubkey = OPENSSL_malloc(len);
|
---|
| 649 |
|
---|
| 650 | if (pubkey == NULL)
|
---|
| 651 | goto memerr;
|
---|
| 652 |
|
---|
| 653 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) {
|
---|
| 654 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
|
---|
| 655 | capi_addlasterror();
|
---|
| 656 | goto err;
|
---|
| 657 | }
|
---|
| 658 |
|
---|
| 659 | bh = (BLOBHEADER *) pubkey;
|
---|
| 660 | if (bh->bType != PUBLICKEYBLOB) {
|
---|
| 661 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
|
---|
| 662 | goto err;
|
---|
| 663 | }
|
---|
| 664 | if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) {
|
---|
| 665 | RSAPUBKEY *rp;
|
---|
| 666 | DWORD rsa_modlen;
|
---|
| 667 | BIGNUM *e = NULL, *n = NULL;
|
---|
| 668 | unsigned char *rsa_modulus;
|
---|
| 669 | rp = (RSAPUBKEY *) (bh + 1);
|
---|
| 670 | if (rp->magic != 0x31415352) {
|
---|
| 671 | char magstr[10];
|
---|
| 672 | BIO_snprintf(magstr, 10, "%lx", rp->magic);
|
---|
| 673 | CAPIerr(CAPI_F_CAPI_GET_PKEY,
|
---|
| 674 | CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
|
---|
| 675 | ERR_add_error_data(2, "magic=0x", magstr);
|
---|
| 676 | goto err;
|
---|
| 677 | }
|
---|
| 678 | rsa_modulus = (unsigned char *)(rp + 1);
|
---|
| 679 | rkey = RSA_new_method(eng);
|
---|
| 680 | if (!rkey)
|
---|
| 681 | goto memerr;
|
---|
| 682 |
|
---|
| 683 | e = BN_new();
|
---|
| 684 | n = BN_new();
|
---|
| 685 |
|
---|
| 686 | if (e == NULL || n == NULL) {
|
---|
| 687 | BN_free(e);
|
---|
| 688 | BN_free(n);
|
---|
| 689 | goto memerr;
|
---|
| 690 | }
|
---|
| 691 |
|
---|
| 692 | RSA_set0_key(rkey, n, e, NULL);
|
---|
| 693 |
|
---|
| 694 | if (!BN_set_word(e, rp->pubexp))
|
---|
| 695 | goto memerr;
|
---|
| 696 |
|
---|
| 697 | rsa_modlen = rp->bitlen / 8;
|
---|
| 698 | if (!lend_tobn(n, rsa_modulus, rsa_modlen))
|
---|
| 699 | goto memerr;
|
---|
| 700 |
|
---|
| 701 | RSA_set_ex_data(rkey, rsa_capi_idx, key);
|
---|
| 702 |
|
---|
| 703 | if ((ret = EVP_PKEY_new()) == NULL)
|
---|
| 704 | goto memerr;
|
---|
| 705 |
|
---|
| 706 | EVP_PKEY_assign_RSA(ret, rkey);
|
---|
| 707 | rkey = NULL;
|
---|
| 708 |
|
---|
| 709 | # ifndef OPENSSL_NO_DSA
|
---|
| 710 | } else if (bh->aiKeyAlg == CALG_DSS_SIGN) {
|
---|
| 711 | DSSPUBKEY *dp;
|
---|
| 712 | DWORD dsa_plen;
|
---|
| 713 | unsigned char *btmp;
|
---|
| 714 | BIGNUM *p, *q, *g, *pub_key;
|
---|
| 715 | dp = (DSSPUBKEY *) (bh + 1);
|
---|
| 716 | if (dp->magic != 0x31535344) {
|
---|
| 717 | char magstr[10];
|
---|
| 718 | BIO_snprintf(magstr, 10, "%lx", dp->magic);
|
---|
| 719 | CAPIerr(CAPI_F_CAPI_GET_PKEY,
|
---|
| 720 | CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
|
---|
| 721 | ERR_add_error_data(2, "magic=0x", magstr);
|
---|
| 722 | goto err;
|
---|
| 723 | }
|
---|
| 724 | dsa_plen = dp->bitlen / 8;
|
---|
| 725 | btmp = (unsigned char *)(dp + 1);
|
---|
| 726 | dkey = DSA_new_method(eng);
|
---|
| 727 | if (!dkey)
|
---|
| 728 | goto memerr;
|
---|
| 729 | p = BN_new();
|
---|
| 730 | q = BN_new();
|
---|
| 731 | g = BN_new();
|
---|
| 732 | pub_key = BN_new();
|
---|
| 733 | if (p == NULL || q == NULL || g == NULL || pub_key == NULL) {
|
---|
| 734 | BN_free(p);
|
---|
| 735 | BN_free(q);
|
---|
| 736 | BN_free(g);
|
---|
| 737 | BN_free(pub_key);
|
---|
| 738 | goto memerr;
|
---|
| 739 | }
|
---|
| 740 | DSA_set0_pqg(dkey, p, q, g);
|
---|
| 741 | DSA_set0_key(dkey, pub_key, NULL);
|
---|
| 742 | if (!lend_tobn(p, btmp, dsa_plen))
|
---|
| 743 | goto memerr;
|
---|
| 744 | btmp += dsa_plen;
|
---|
| 745 | if (!lend_tobn(q, btmp, 20))
|
---|
| 746 | goto memerr;
|
---|
| 747 | btmp += 20;
|
---|
| 748 | if (!lend_tobn(g, btmp, dsa_plen))
|
---|
| 749 | goto memerr;
|
---|
| 750 | btmp += dsa_plen;
|
---|
| 751 | if (!lend_tobn(pub_key, btmp, dsa_plen))
|
---|
| 752 | goto memerr;
|
---|
| 753 | btmp += dsa_plen;
|
---|
| 754 |
|
---|
| 755 | DSA_set_ex_data(dkey, dsa_capi_idx, key);
|
---|
| 756 |
|
---|
| 757 | if ((ret = EVP_PKEY_new()) == NULL)
|
---|
| 758 | goto memerr;
|
---|
| 759 |
|
---|
| 760 | EVP_PKEY_assign_DSA(ret, dkey);
|
---|
| 761 | dkey = NULL;
|
---|
| 762 | # endif
|
---|
| 763 | } else {
|
---|
| 764 | char algstr[10];
|
---|
| 765 | BIO_snprintf(algstr, 10, "%ux", bh->aiKeyAlg);
|
---|
| 766 | CAPIerr(CAPI_F_CAPI_GET_PKEY,
|
---|
| 767 | CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
|
---|
| 768 | ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
|
---|
| 769 | goto err;
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | err:
|
---|
| 773 | OPENSSL_free(pubkey);
|
---|
| 774 | if (!ret) {
|
---|
| 775 | RSA_free(rkey);
|
---|
| 776 | # ifndef OPENSSL_NO_DSA
|
---|
| 777 | DSA_free(dkey);
|
---|
| 778 | # endif
|
---|
| 779 | }
|
---|
| 780 |
|
---|
| 781 | return ret;
|
---|
| 782 |
|
---|
| 783 | memerr:
|
---|
| 784 | CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
|
---|
| 785 | goto err;
|
---|
| 786 |
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
|
---|
| 790 | UI_METHOD *ui_method, void *callback_data)
|
---|
| 791 | {
|
---|
| 792 | CAPI_CTX *ctx;
|
---|
| 793 | CAPI_KEY *key;
|
---|
| 794 | EVP_PKEY *ret;
|
---|
| 795 | ctx = ENGINE_get_ex_data(eng, capi_idx);
|
---|
| 796 |
|
---|
| 797 | if (!ctx) {
|
---|
| 798 | CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
|
---|
| 799 | return NULL;
|
---|
| 800 | }
|
---|
| 801 |
|
---|
| 802 | key = capi_find_key(ctx, key_id);
|
---|
| 803 |
|
---|
| 804 | if (!key)
|
---|
| 805 | return NULL;
|
---|
| 806 |
|
---|
| 807 | ret = capi_get_pkey(eng, key);
|
---|
| 808 |
|
---|
| 809 | if (!ret)
|
---|
| 810 | capi_free_key(key);
|
---|
| 811 | return ret;
|
---|
| 812 |
|
---|
| 813 | }
|
---|
| 814 |
|
---|
| 815 | /* CryptoAPI RSA operations */
|
---|
| 816 |
|
---|
| 817 | int capi_rsa_priv_enc(int flen, const unsigned char *from,
|
---|
| 818 | unsigned char *to, RSA *rsa, int padding)
|
---|
| 819 | {
|
---|
| 820 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
|
---|
| 821 | return -1;
|
---|
| 822 | }
|
---|
| 823 |
|
---|
| 824 | int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
|
---|
| 825 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
|
---|
| 826 | {
|
---|
| 827 | ALG_ID alg;
|
---|
| 828 | HCRYPTHASH hash;
|
---|
| 829 | DWORD slen;
|
---|
| 830 | unsigned int i;
|
---|
| 831 | int ret = -1;
|
---|
| 832 | CAPI_KEY *capi_key;
|
---|
| 833 | CAPI_CTX *ctx;
|
---|
| 834 |
|
---|
| 835 | ctx = ENGINE_get_ex_data(RSA_get0_engine(rsa), capi_idx);
|
---|
| 836 |
|
---|
| 837 | CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
|
---|
| 838 |
|
---|
| 839 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
---|
| 840 | if (!capi_key) {
|
---|
| 841 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
|
---|
| 842 | return -1;
|
---|
| 843 | }
|
---|
| 844 | /* Convert the signature type to a CryptoAPI algorithm ID */
|
---|
| 845 | switch (dtype) {
|
---|
| 846 | case NID_sha256:
|
---|
| 847 | alg = CALG_SHA_256;
|
---|
| 848 | break;
|
---|
| 849 |
|
---|
| 850 | case NID_sha384:
|
---|
| 851 | alg = CALG_SHA_384;
|
---|
| 852 | break;
|
---|
| 853 |
|
---|
| 854 | case NID_sha512:
|
---|
| 855 | alg = CALG_SHA_512;
|
---|
| 856 | break;
|
---|
| 857 |
|
---|
| 858 | case NID_sha1:
|
---|
| 859 | alg = CALG_SHA1;
|
---|
| 860 | break;
|
---|
| 861 |
|
---|
| 862 | case NID_md5:
|
---|
| 863 | alg = CALG_MD5;
|
---|
| 864 | break;
|
---|
| 865 |
|
---|
| 866 | case NID_md5_sha1:
|
---|
| 867 | alg = CALG_SSL3_SHAMD5;
|
---|
| 868 | break;
|
---|
| 869 | default:
|
---|
| 870 | {
|
---|
| 871 | char algstr[10];
|
---|
| 872 | BIO_snprintf(algstr, 10, "%x", dtype);
|
---|
| 873 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
|
---|
| 874 | ERR_add_error_data(2, "NID=0x", algstr);
|
---|
| 875 | return -1;
|
---|
| 876 | }
|
---|
| 877 | }
|
---|
| 878 |
|
---|
| 879 | /* Create the hash object */
|
---|
| 880 | if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) {
|
---|
| 881 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
|
---|
| 882 | capi_addlasterror();
|
---|
| 883 | return -1;
|
---|
| 884 | }
|
---|
| 885 | /* Set the hash value to the value passed */
|
---|
| 886 |
|
---|
| 887 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) {
|
---|
| 888 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
|
---|
| 889 | capi_addlasterror();
|
---|
| 890 | goto err;
|
---|
| 891 | }
|
---|
| 892 |
|
---|
| 893 | /* Finally sign it */
|
---|
| 894 | slen = RSA_size(rsa);
|
---|
| 895 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) {
|
---|
| 896 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
|
---|
| 897 | capi_addlasterror();
|
---|
| 898 | goto err;
|
---|
| 899 | } else {
|
---|
| 900 | ret = 1;
|
---|
| 901 | /* Inplace byte reversal of signature */
|
---|
| 902 | for (i = 0; i < slen / 2; i++) {
|
---|
| 903 | unsigned char c;
|
---|
| 904 | c = sigret[i];
|
---|
| 905 | sigret[i] = sigret[slen - i - 1];
|
---|
| 906 | sigret[slen - i - 1] = c;
|
---|
| 907 | }
|
---|
| 908 | *siglen = slen;
|
---|
| 909 | }
|
---|
| 910 |
|
---|
| 911 | /* Now cleanup */
|
---|
| 912 |
|
---|
| 913 | err:
|
---|
| 914 | CryptDestroyHash(hash);
|
---|
| 915 |
|
---|
| 916 | return ret;
|
---|
| 917 | }
|
---|
| 918 |
|
---|
| 919 | int capi_rsa_priv_dec(int flen, const unsigned char *from,
|
---|
| 920 | unsigned char *to, RSA *rsa, int padding)
|
---|
| 921 | {
|
---|
| 922 | int i;
|
---|
| 923 | unsigned char *tmpbuf;
|
---|
| 924 | CAPI_KEY *capi_key;
|
---|
| 925 | CAPI_CTX *ctx;
|
---|
| 926 | DWORD dlen;
|
---|
| 927 |
|
---|
| 928 | if (flen <= 0)
|
---|
| 929 | return flen;
|
---|
| 930 |
|
---|
| 931 | ctx = ENGINE_get_ex_data(RSA_get0_engine(rsa), capi_idx);
|
---|
| 932 |
|
---|
| 933 | CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
|
---|
| 934 |
|
---|
| 935 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
---|
| 936 | if (!capi_key) {
|
---|
| 937 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
|
---|
| 938 | return -1;
|
---|
| 939 | }
|
---|
| 940 |
|
---|
| 941 | if (padding != RSA_PKCS1_PADDING) {
|
---|
| 942 | char errstr[10];
|
---|
| 943 | BIO_snprintf(errstr, 10, "%d", padding);
|
---|
| 944 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
|
---|
| 945 | ERR_add_error_data(2, "padding=", errstr);
|
---|
| 946 | return -1;
|
---|
| 947 | }
|
---|
| 948 |
|
---|
| 949 | /* Create temp reverse order version of input */
|
---|
| 950 | if ((tmpbuf = OPENSSL_malloc(flen)) == NULL) {
|
---|
| 951 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
|
---|
| 952 | return -1;
|
---|
| 953 | }
|
---|
| 954 | for (i = 0; i < flen; i++)
|
---|
| 955 | tmpbuf[flen - i - 1] = from[i];
|
---|
| 956 |
|
---|
| 957 | /* Finally decrypt it */
|
---|
| 958 | dlen = flen;
|
---|
| 959 | if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
|
---|
| 960 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
|
---|
| 961 | capi_addlasterror();
|
---|
| 962 | OPENSSL_free(tmpbuf);
|
---|
| 963 | return -1;
|
---|
| 964 | } else
|
---|
| 965 | memcpy(to, tmpbuf, (flen = (int)dlen));
|
---|
| 966 |
|
---|
| 967 | OPENSSL_free(tmpbuf);
|
---|
| 968 |
|
---|
| 969 | return flen;
|
---|
| 970 | }
|
---|
| 971 |
|
---|
| 972 | static int capi_rsa_free(RSA *rsa)
|
---|
| 973 | {
|
---|
| 974 | CAPI_KEY *capi_key;
|
---|
| 975 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
---|
| 976 | capi_free_key(capi_key);
|
---|
| 977 | RSA_set_ex_data(rsa, rsa_capi_idx, 0);
|
---|
| 978 | return 1;
|
---|
| 979 | }
|
---|
| 980 |
|
---|
| 981 | # ifndef OPENSSL_NO_DSA
|
---|
| 982 | /* CryptoAPI DSA operations */
|
---|
| 983 |
|
---|
| 984 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
|
---|
| 985 | DSA *dsa)
|
---|
| 986 | {
|
---|
| 987 | HCRYPTHASH hash;
|
---|
| 988 | DWORD slen;
|
---|
| 989 | DSA_SIG *ret = NULL;
|
---|
| 990 | CAPI_KEY *capi_key;
|
---|
| 991 | CAPI_CTX *ctx;
|
---|
| 992 | unsigned char csigbuf[40];
|
---|
| 993 |
|
---|
| 994 | ctx = ENGINE_get_ex_data(DSA_get0_engine(dsa), capi_idx);
|
---|
| 995 |
|
---|
| 996 | CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
|
---|
| 997 |
|
---|
| 998 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
|
---|
| 999 |
|
---|
| 1000 | if (!capi_key) {
|
---|
| 1001 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
|
---|
| 1002 | return NULL;
|
---|
| 1003 | }
|
---|
| 1004 |
|
---|
| 1005 | if (dlen != 20) {
|
---|
| 1006 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
|
---|
| 1007 | return NULL;
|
---|
| 1008 | }
|
---|
| 1009 |
|
---|
| 1010 | /* Create the hash object */
|
---|
| 1011 | if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) {
|
---|
| 1012 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
|
---|
| 1013 | capi_addlasterror();
|
---|
| 1014 | return NULL;
|
---|
| 1015 | }
|
---|
| 1016 |
|
---|
| 1017 | /* Set the hash value to the value passed */
|
---|
| 1018 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) {
|
---|
| 1019 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
|
---|
| 1020 | capi_addlasterror();
|
---|
| 1021 | goto err;
|
---|
| 1022 | }
|
---|
| 1023 |
|
---|
| 1024 | /* Finally sign it */
|
---|
| 1025 | slen = sizeof(csigbuf);
|
---|
| 1026 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) {
|
---|
| 1027 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
|
---|
| 1028 | capi_addlasterror();
|
---|
| 1029 | goto err;
|
---|
| 1030 | } else {
|
---|
| 1031 | BIGNUM *r = BN_new(), *s = BN_new();
|
---|
| 1032 |
|
---|
| 1033 | if (r == NULL || s == NULL
|
---|
| 1034 | || !lend_tobn(r, csigbuf, 20)
|
---|
| 1035 | || !lend_tobn(s, csigbuf + 20, 20)
|
---|
| 1036 | || (ret = DSA_SIG_new()) == NULL) {
|
---|
| 1037 | BN_free(r); /* BN_free checks for BIGNUM * being NULL */
|
---|
| 1038 | BN_free(s);
|
---|
| 1039 | goto err;
|
---|
| 1040 | }
|
---|
| 1041 | DSA_SIG_set0(ret, r, s);
|
---|
| 1042 | }
|
---|
| 1043 |
|
---|
| 1044 | /* Now cleanup */
|
---|
| 1045 |
|
---|
| 1046 | err:
|
---|
| 1047 | OPENSSL_cleanse(csigbuf, 40);
|
---|
| 1048 | CryptDestroyHash(hash);
|
---|
| 1049 | return ret;
|
---|
| 1050 | }
|
---|
| 1051 |
|
---|
| 1052 | static int capi_dsa_free(DSA *dsa)
|
---|
| 1053 | {
|
---|
| 1054 | CAPI_KEY *capi_key;
|
---|
| 1055 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
|
---|
| 1056 | capi_free_key(capi_key);
|
---|
| 1057 | DSA_set_ex_data(dsa, dsa_capi_idx, 0);
|
---|
| 1058 | return 1;
|
---|
| 1059 | }
|
---|
| 1060 | # endif
|
---|
| 1061 |
|
---|
| 1062 | static void capi_vtrace(CAPI_CTX * ctx, int level, char *format,
|
---|
| 1063 | va_list argptr)
|
---|
| 1064 | {
|
---|
| 1065 | BIO *out;
|
---|
| 1066 |
|
---|
| 1067 | if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
|
---|
| 1068 | return;
|
---|
| 1069 | out = BIO_new_file(ctx->debug_file, "a+");
|
---|
| 1070 | if (out == NULL) {
|
---|
| 1071 | CAPIerr(CAPI_F_CAPI_VTRACE, CAPI_R_FILE_OPEN_ERROR);
|
---|
| 1072 | return;
|
---|
| 1073 | }
|
---|
| 1074 | BIO_vprintf(out, format, argptr);
|
---|
| 1075 | BIO_free(out);
|
---|
| 1076 | }
|
---|
| 1077 |
|
---|
| 1078 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...)
|
---|
| 1079 | {
|
---|
| 1080 | va_list args;
|
---|
| 1081 | va_start(args, format);
|
---|
| 1082 | capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
|
---|
| 1083 | va_end(args);
|
---|
| 1084 | }
|
---|
| 1085 |
|
---|
| 1086 | static void capi_addlasterror(void)
|
---|
| 1087 | {
|
---|
| 1088 | capi_adderror(GetLastError());
|
---|
| 1089 | }
|
---|
| 1090 |
|
---|
| 1091 | static void capi_adderror(DWORD err)
|
---|
| 1092 | {
|
---|
| 1093 | char errstr[10];
|
---|
| 1094 | BIO_snprintf(errstr, 10, "%lX", err);
|
---|
| 1095 | ERR_add_error_data(2, "Error code= 0x", errstr);
|
---|
| 1096 | }
|
---|
| 1097 |
|
---|
| 1098 | static char *wide_to_asc(LPCWSTR wstr)
|
---|
| 1099 | {
|
---|
| 1100 | char *str;
|
---|
| 1101 | int len_0, sz;
|
---|
| 1102 |
|
---|
| 1103 | if (!wstr)
|
---|
| 1104 | return NULL;
|
---|
| 1105 | len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */
|
---|
| 1106 | sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL);
|
---|
| 1107 | if (!sz) {
|
---|
| 1108 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
|
---|
| 1109 | return NULL;
|
---|
| 1110 | }
|
---|
| 1111 | str = OPENSSL_malloc(sz);
|
---|
| 1112 | if (str == NULL) {
|
---|
| 1113 | CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
|
---|
| 1114 | return NULL;
|
---|
| 1115 | }
|
---|
| 1116 | if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) {
|
---|
| 1117 | OPENSSL_free(str);
|
---|
| 1118 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
|
---|
| 1119 | return NULL;
|
---|
| 1120 | }
|
---|
| 1121 | return str;
|
---|
| 1122 | }
|
---|
| 1123 |
|
---|
| 1124 | static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype,
|
---|
| 1125 | DWORD idx)
|
---|
| 1126 | {
|
---|
| 1127 | DWORD len, err;
|
---|
| 1128 | LPTSTR name;
|
---|
| 1129 | CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
|
---|
| 1130 | if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) {
|
---|
| 1131 | err = GetLastError();
|
---|
| 1132 | if (err == ERROR_NO_MORE_ITEMS)
|
---|
| 1133 | return 2;
|
---|
| 1134 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
|
---|
| 1135 | capi_adderror(err);
|
---|
| 1136 | return 0;
|
---|
| 1137 | }
|
---|
| 1138 | name = OPENSSL_malloc(len);
|
---|
| 1139 | if (name == NULL) {
|
---|
| 1140 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE);
|
---|
| 1141 | return 0;
|
---|
| 1142 | }
|
---|
| 1143 | if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) {
|
---|
| 1144 | err = GetLastError();
|
---|
| 1145 | OPENSSL_free(name);
|
---|
| 1146 | if (err == ERROR_NO_MORE_ITEMS)
|
---|
| 1147 | return 2;
|
---|
| 1148 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
|
---|
| 1149 | capi_adderror(err);
|
---|
| 1150 | return 0;
|
---|
| 1151 | }
|
---|
| 1152 | if (sizeof(TCHAR) != sizeof(char)) {
|
---|
| 1153 | *pname = wide_to_asc((WCHAR *)name);
|
---|
| 1154 | OPENSSL_free(name);
|
---|
| 1155 | if (*pname == NULL)
|
---|
| 1156 | return 0;
|
---|
| 1157 | } else
|
---|
| 1158 | *pname = (char *)name;
|
---|
| 1159 | CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname,
|
---|
| 1160 | *ptype);
|
---|
| 1161 |
|
---|
| 1162 | return 1;
|
---|
| 1163 | }
|
---|
| 1164 |
|
---|
| 1165 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out)
|
---|
| 1166 | {
|
---|
| 1167 | DWORD idx, ptype;
|
---|
| 1168 | int ret;
|
---|
| 1169 | LPSTR provname = NULL;
|
---|
| 1170 | CAPI_trace(ctx, "capi_list_providers\n");
|
---|
| 1171 | BIO_printf(out, "Available CSPs:\n");
|
---|
| 1172 | for (idx = 0;; idx++) {
|
---|
| 1173 | ret = capi_get_provname(ctx, &provname, &ptype, idx);
|
---|
| 1174 | if (ret == 2)
|
---|
| 1175 | break;
|
---|
| 1176 | if (ret == 0)
|
---|
| 1177 | break;
|
---|
| 1178 | BIO_printf(out, "%lu. %s, type %lu\n", idx, provname, ptype);
|
---|
| 1179 | OPENSSL_free(provname);
|
---|
| 1180 | }
|
---|
| 1181 | return 1;
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out)
|
---|
| 1185 | {
|
---|
| 1186 | int ret = 1;
|
---|
| 1187 | HCRYPTPROV hprov;
|
---|
| 1188 | DWORD err, idx, flags, buflen = 0, clen;
|
---|
| 1189 | LPSTR cname;
|
---|
| 1190 | LPTSTR cspname = NULL;
|
---|
| 1191 |
|
---|
| 1192 | CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname,
|
---|
| 1193 | ctx->csptype);
|
---|
| 1194 | if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) {
|
---|
| 1195 | if ((clen =
|
---|
| 1196 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) {
|
---|
| 1197 | cspname = alloca(clen * sizeof(WCHAR));
|
---|
| 1198 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname,
|
---|
| 1199 | clen);
|
---|
| 1200 | }
|
---|
| 1201 | if (!cspname) {
|
---|
| 1202 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
|
---|
| 1203 | capi_addlasterror();
|
---|
| 1204 | return 0;
|
---|
| 1205 | }
|
---|
| 1206 | } else
|
---|
| 1207 | cspname = (TCHAR *)ctx->cspname;
|
---|
| 1208 | if (!CryptAcquireContext
|
---|
| 1209 | (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) {
|
---|
| 1210 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS,
|
---|
| 1211 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
---|
| 1212 | capi_addlasterror();
|
---|
| 1213 | return 0;
|
---|
| 1214 | }
|
---|
| 1215 | if (!CryptGetProvParam
|
---|
| 1216 | (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) {
|
---|
| 1217 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
|
---|
| 1218 | capi_addlasterror();
|
---|
| 1219 | CryptReleaseContext(hprov, 0);
|
---|
| 1220 | return 0;
|
---|
| 1221 | }
|
---|
| 1222 | CAPI_trace(ctx, "Got max container len %d\n", buflen);
|
---|
| 1223 | if (buflen == 0)
|
---|
| 1224 | buflen = 1024;
|
---|
| 1225 | cname = OPENSSL_malloc(buflen);
|
---|
| 1226 | if (cname == NULL) {
|
---|
| 1227 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
|
---|
| 1228 | goto err;
|
---|
| 1229 | }
|
---|
| 1230 |
|
---|
| 1231 | for (idx = 0;; idx++) {
|
---|
| 1232 | clen = buflen;
|
---|
| 1233 | cname[0] = 0;
|
---|
| 1234 |
|
---|
| 1235 | if (idx == 0)
|
---|
| 1236 | flags = CRYPT_FIRST;
|
---|
| 1237 | else
|
---|
| 1238 | flags = 0;
|
---|
| 1239 | if (!CryptGetProvParam
|
---|
| 1240 | (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) {
|
---|
| 1241 | err = GetLastError();
|
---|
| 1242 | if (err == ERROR_NO_MORE_ITEMS)
|
---|
| 1243 | goto done;
|
---|
| 1244 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
|
---|
| 1245 | capi_adderror(err);
|
---|
| 1246 | goto err;
|
---|
| 1247 | }
|
---|
| 1248 | CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n",
|
---|
| 1249 | cname, clen, idx, flags);
|
---|
| 1250 | if (!cname[0] && (clen == buflen)) {
|
---|
| 1251 | CAPI_trace(ctx, "Enumerate bug: using workaround\n");
|
---|
| 1252 | goto done;
|
---|
| 1253 | }
|
---|
| 1254 | BIO_printf(out, "%lu. %s\n", idx, cname);
|
---|
| 1255 | }
|
---|
| 1256 | err:
|
---|
| 1257 |
|
---|
| 1258 | ret = 0;
|
---|
| 1259 |
|
---|
| 1260 | done:
|
---|
| 1261 | OPENSSL_free(cname);
|
---|
| 1262 | CryptReleaseContext(hprov, 0);
|
---|
| 1263 |
|
---|
| 1264 | return ret;
|
---|
| 1265 | }
|
---|
| 1266 |
|
---|
| 1267 | static CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
|
---|
| 1268 | {
|
---|
| 1269 | DWORD len;
|
---|
| 1270 | CRYPT_KEY_PROV_INFO *pinfo;
|
---|
| 1271 |
|
---|
| 1272 | if (!CertGetCertificateContextProperty
|
---|
| 1273 | (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
|
---|
| 1274 | return NULL;
|
---|
| 1275 | pinfo = OPENSSL_malloc(len);
|
---|
| 1276 | if (pinfo == NULL) {
|
---|
| 1277 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
|
---|
| 1278 | return NULL;
|
---|
| 1279 | }
|
---|
| 1280 | if (!CertGetCertificateContextProperty
|
---|
| 1281 | (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) {
|
---|
| 1282 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO,
|
---|
| 1283 | CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
|
---|
| 1284 | capi_addlasterror();
|
---|
| 1285 | OPENSSL_free(pinfo);
|
---|
| 1286 | return NULL;
|
---|
| 1287 | }
|
---|
| 1288 | return pinfo;
|
---|
| 1289 | }
|
---|
| 1290 |
|
---|
| 1291 | static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out,
|
---|
| 1292 | CRYPT_KEY_PROV_INFO * pinfo)
|
---|
| 1293 | {
|
---|
| 1294 | char *provname = NULL, *contname = NULL;
|
---|
| 1295 | if (!pinfo) {
|
---|
| 1296 | BIO_printf(out, " No Private Key\n");
|
---|
| 1297 | return;
|
---|
| 1298 | }
|
---|
| 1299 | provname = wide_to_asc(pinfo->pwszProvName);
|
---|
| 1300 | contname = wide_to_asc(pinfo->pwszContainerName);
|
---|
| 1301 | if (!provname || !contname)
|
---|
| 1302 | goto err;
|
---|
| 1303 |
|
---|
| 1304 | BIO_printf(out, " Private Key Info:\n");
|
---|
| 1305 | BIO_printf(out, " Provider Name: %s, Provider Type %lu\n", provname,
|
---|
| 1306 | pinfo->dwProvType);
|
---|
| 1307 | BIO_printf(out, " Container Name: %s, Key Type %lu\n", contname,
|
---|
| 1308 | pinfo->dwKeySpec);
|
---|
| 1309 | err:
|
---|
| 1310 | OPENSSL_free(provname);
|
---|
| 1311 | OPENSSL_free(contname);
|
---|
| 1312 | }
|
---|
| 1313 |
|
---|
| 1314 | static char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
|
---|
| 1315 | {
|
---|
| 1316 | LPWSTR wfname;
|
---|
| 1317 | DWORD dlen;
|
---|
| 1318 |
|
---|
| 1319 | CAPI_trace(ctx, "capi_cert_get_fname\n");
|
---|
| 1320 | if (!CertGetCertificateContextProperty
|
---|
| 1321 | (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
|
---|
| 1322 | return NULL;
|
---|
| 1323 | wfname = OPENSSL_malloc(dlen);
|
---|
| 1324 | if (wfname == NULL)
|
---|
| 1325 | return NULL;
|
---|
| 1326 | if (CertGetCertificateContextProperty
|
---|
| 1327 | (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) {
|
---|
| 1328 | char *fname = wide_to_asc(wfname);
|
---|
| 1329 | OPENSSL_free(wfname);
|
---|
| 1330 | return fname;
|
---|
| 1331 | }
|
---|
| 1332 | CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
|
---|
| 1333 | capi_addlasterror();
|
---|
| 1334 |
|
---|
| 1335 | OPENSSL_free(wfname);
|
---|
| 1336 | return NULL;
|
---|
| 1337 | }
|
---|
| 1338 |
|
---|
| 1339 | static void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert)
|
---|
| 1340 | {
|
---|
| 1341 | X509 *x;
|
---|
| 1342 | const unsigned char *p;
|
---|
| 1343 | unsigned long flags = ctx->dump_flags;
|
---|
| 1344 | if (flags & CAPI_DMP_FNAME) {
|
---|
| 1345 | char *fname;
|
---|
| 1346 | fname = capi_cert_get_fname(ctx, cert);
|
---|
| 1347 | if (fname) {
|
---|
| 1348 | BIO_printf(out, " Friendly Name \"%s\"\n", fname);
|
---|
| 1349 | OPENSSL_free(fname);
|
---|
| 1350 | } else
|
---|
| 1351 | BIO_printf(out, " <No Friendly Name>\n");
|
---|
| 1352 | }
|
---|
| 1353 |
|
---|
| 1354 | p = cert->pbCertEncoded;
|
---|
| 1355 | x = d2i_X509(NULL, &p, cert->cbCertEncoded);
|
---|
| 1356 | if (!x)
|
---|
| 1357 | BIO_printf(out, " <Can't parse certificate>\n");
|
---|
| 1358 | if (flags & CAPI_DMP_SUMMARY) {
|
---|
| 1359 | BIO_printf(out, " Subject: ");
|
---|
| 1360 | X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
|
---|
| 1361 | BIO_printf(out, "\n Issuer: ");
|
---|
| 1362 | X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
|
---|
| 1363 | BIO_printf(out, "\n");
|
---|
| 1364 | }
|
---|
| 1365 | if (flags & CAPI_DMP_FULL)
|
---|
| 1366 | X509_print_ex(out, x, XN_FLAG_ONELINE, 0);
|
---|
| 1367 |
|
---|
| 1368 | if (flags & CAPI_DMP_PKEYINFO) {
|
---|
| 1369 | CRYPT_KEY_PROV_INFO *pinfo;
|
---|
| 1370 | pinfo = capi_get_prov_info(ctx, cert);
|
---|
| 1371 | capi_dump_prov_info(ctx, out, pinfo);
|
---|
| 1372 | OPENSSL_free(pinfo);
|
---|
| 1373 | }
|
---|
| 1374 |
|
---|
| 1375 | if (flags & CAPI_DMP_PEM)
|
---|
| 1376 | PEM_write_bio_X509(out, x);
|
---|
| 1377 | X509_free(x);
|
---|
| 1378 | }
|
---|
| 1379 |
|
---|
| 1380 | static HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename)
|
---|
| 1381 | {
|
---|
| 1382 | HCERTSTORE hstore;
|
---|
| 1383 |
|
---|
| 1384 | if (!storename)
|
---|
| 1385 | storename = ctx->storename;
|
---|
| 1386 | if (!storename)
|
---|
| 1387 | storename = "MY";
|
---|
| 1388 | CAPI_trace(ctx, "Opening certificate store %s\n", storename);
|
---|
| 1389 |
|
---|
| 1390 | hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
|
---|
| 1391 | ctx->store_flags, storename);
|
---|
| 1392 | if (!hstore) {
|
---|
| 1393 | CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
|
---|
| 1394 | capi_addlasterror();
|
---|
| 1395 | }
|
---|
| 1396 | return hstore;
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
| 1399 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id)
|
---|
| 1400 | {
|
---|
| 1401 | char *storename;
|
---|
| 1402 | int idx;
|
---|
| 1403 | int ret = 1;
|
---|
| 1404 | HCERTSTORE hstore;
|
---|
| 1405 | PCCERT_CONTEXT cert = NULL;
|
---|
| 1406 |
|
---|
| 1407 | storename = ctx->storename;
|
---|
| 1408 | if (!storename)
|
---|
| 1409 | storename = "MY";
|
---|
| 1410 | CAPI_trace(ctx, "Listing certs for store %s\n", storename);
|
---|
| 1411 |
|
---|
| 1412 | hstore = capi_open_store(ctx, storename);
|
---|
| 1413 | if (!hstore)
|
---|
| 1414 | return 0;
|
---|
| 1415 | if (id) {
|
---|
| 1416 | cert = capi_find_cert(ctx, id, hstore);
|
---|
| 1417 | if (!cert) {
|
---|
| 1418 | ret = 0;
|
---|
| 1419 | goto err;
|
---|
| 1420 | }
|
---|
| 1421 | capi_dump_cert(ctx, out, cert);
|
---|
| 1422 | CertFreeCertificateContext(cert);
|
---|
| 1423 | } else {
|
---|
| 1424 | for (idx = 0;; idx++) {
|
---|
| 1425 | cert = CertEnumCertificatesInStore(hstore, cert);
|
---|
| 1426 | if (!cert)
|
---|
| 1427 | break;
|
---|
| 1428 | BIO_printf(out, "Certificate %d\n", idx);
|
---|
| 1429 | capi_dump_cert(ctx, out, cert);
|
---|
| 1430 | }
|
---|
| 1431 | }
|
---|
| 1432 | err:
|
---|
| 1433 | CertCloseStore(hstore, 0);
|
---|
| 1434 | return ret;
|
---|
| 1435 | }
|
---|
| 1436 |
|
---|
| 1437 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id,
|
---|
| 1438 | HCERTSTORE hstore)
|
---|
| 1439 | {
|
---|
| 1440 | PCCERT_CONTEXT cert = NULL;
|
---|
| 1441 | char *fname = NULL;
|
---|
| 1442 | int match;
|
---|
| 1443 | switch (ctx->lookup_method) {
|
---|
| 1444 | case CAPI_LU_SUBSTR:
|
---|
| 1445 | return CertFindCertificateInStore(hstore,
|
---|
| 1446 | X509_ASN_ENCODING, 0,
|
---|
| 1447 | CERT_FIND_SUBJECT_STR_A, id, NULL);
|
---|
| 1448 | case CAPI_LU_FNAME:
|
---|
| 1449 | for (;;) {
|
---|
| 1450 | cert = CertEnumCertificatesInStore(hstore, cert);
|
---|
| 1451 | if (!cert)
|
---|
| 1452 | return NULL;
|
---|
| 1453 | fname = capi_cert_get_fname(ctx, cert);
|
---|
| 1454 | if (fname) {
|
---|
| 1455 | if (strcmp(fname, id))
|
---|
| 1456 | match = 0;
|
---|
| 1457 | else
|
---|
| 1458 | match = 1;
|
---|
| 1459 | OPENSSL_free(fname);
|
---|
| 1460 | if (match)
|
---|
| 1461 | return cert;
|
---|
| 1462 | }
|
---|
| 1463 | }
|
---|
| 1464 | default:
|
---|
| 1465 | return NULL;
|
---|
| 1466 | }
|
---|
| 1467 | }
|
---|
| 1468 |
|
---|
| 1469 | static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname,
|
---|
| 1470 | TCHAR *provname, DWORD ptype, DWORD keyspec)
|
---|
| 1471 | {
|
---|
| 1472 | DWORD dwFlags = 0;
|
---|
| 1473 | CAPI_KEY *key = OPENSSL_malloc(sizeof(*key));
|
---|
| 1474 |
|
---|
| 1475 | if (key == NULL)
|
---|
| 1476 | return NULL;
|
---|
| 1477 | /* If PROV_RSA_AES supported use it instead */
|
---|
| 1478 | if (ptype == PROV_RSA_FULL && use_aes_csp) {
|
---|
| 1479 | provname = NULL;
|
---|
| 1480 | ptype = PROV_RSA_AES;
|
---|
| 1481 | CAPI_trace(ctx, "capi_get_key, contname=%s, RSA_AES_CSP\n", contname);
|
---|
| 1482 | } else if (sizeof(TCHAR) == sizeof(char)) {
|
---|
| 1483 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
|
---|
| 1484 | contname, provname, ptype);
|
---|
| 1485 | } else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) {
|
---|
| 1486 | /* above 'if' is optimization to minimize malloc-ations */
|
---|
| 1487 | char *_contname = wide_to_asc((WCHAR *)contname);
|
---|
| 1488 | char *_provname = wide_to_asc((WCHAR *)provname);
|
---|
| 1489 |
|
---|
| 1490 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
|
---|
| 1491 | _contname, _provname, ptype);
|
---|
| 1492 | OPENSSL_free(_provname);
|
---|
| 1493 | OPENSSL_free(_contname);
|
---|
| 1494 | }
|
---|
| 1495 | if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE)
|
---|
| 1496 | dwFlags = CRYPT_MACHINE_KEYSET;
|
---|
| 1497 | if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) {
|
---|
| 1498 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
---|
| 1499 | capi_addlasterror();
|
---|
| 1500 | goto err;
|
---|
| 1501 | }
|
---|
| 1502 | if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) {
|
---|
| 1503 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
|
---|
| 1504 | capi_addlasterror();
|
---|
| 1505 | CryptReleaseContext(key->hprov, 0);
|
---|
| 1506 | goto err;
|
---|
| 1507 | }
|
---|
| 1508 | key->keyspec = keyspec;
|
---|
| 1509 | key->pcert = NULL;
|
---|
| 1510 | return key;
|
---|
| 1511 |
|
---|
| 1512 | err:
|
---|
| 1513 | OPENSSL_free(key);
|
---|
| 1514 | return NULL;
|
---|
| 1515 | }
|
---|
| 1516 |
|
---|
| 1517 | static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert)
|
---|
| 1518 | {
|
---|
| 1519 | CAPI_KEY *key = NULL;
|
---|
| 1520 | CRYPT_KEY_PROV_INFO *pinfo = NULL;
|
---|
| 1521 | char *provname = NULL, *contname = NULL;
|
---|
| 1522 | pinfo = capi_get_prov_info(ctx, cert);
|
---|
| 1523 | if (!pinfo)
|
---|
| 1524 | goto err;
|
---|
| 1525 | if (sizeof(TCHAR) != sizeof(char))
|
---|
| 1526 | key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName,
|
---|
| 1527 | (TCHAR *)pinfo->pwszProvName,
|
---|
| 1528 | pinfo->dwProvType, pinfo->dwKeySpec);
|
---|
| 1529 | else {
|
---|
| 1530 | provname = wide_to_asc(pinfo->pwszProvName);
|
---|
| 1531 | contname = wide_to_asc(pinfo->pwszContainerName);
|
---|
| 1532 | if (!provname || !contname)
|
---|
| 1533 | goto err;
|
---|
| 1534 | key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
|
---|
| 1535 | pinfo->dwProvType, pinfo->dwKeySpec);
|
---|
| 1536 | }
|
---|
| 1537 |
|
---|
| 1538 | err:
|
---|
| 1539 | OPENSSL_free(pinfo);
|
---|
| 1540 | OPENSSL_free(provname);
|
---|
| 1541 | OPENSSL_free(contname);
|
---|
| 1542 | return key;
|
---|
| 1543 | }
|
---|
| 1544 |
|
---|
| 1545 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id)
|
---|
| 1546 | {
|
---|
| 1547 | PCCERT_CONTEXT cert;
|
---|
| 1548 | HCERTSTORE hstore;
|
---|
| 1549 | CAPI_KEY *key = NULL;
|
---|
| 1550 | switch (ctx->lookup_method) {
|
---|
| 1551 | case CAPI_LU_SUBSTR:
|
---|
| 1552 | case CAPI_LU_FNAME:
|
---|
| 1553 | hstore = capi_open_store(ctx, NULL);
|
---|
| 1554 | if (!hstore)
|
---|
| 1555 | return NULL;
|
---|
| 1556 | cert = capi_find_cert(ctx, id, hstore);
|
---|
| 1557 | if (cert) {
|
---|
| 1558 | key = capi_get_cert_key(ctx, cert);
|
---|
| 1559 | CertFreeCertificateContext(cert);
|
---|
| 1560 | }
|
---|
| 1561 | CertCloseStore(hstore, 0);
|
---|
| 1562 | break;
|
---|
| 1563 |
|
---|
| 1564 | case CAPI_LU_CONTNAME:
|
---|
| 1565 | if (sizeof(TCHAR) != sizeof(char)) {
|
---|
| 1566 | WCHAR *contname, *provname;
|
---|
| 1567 | DWORD len;
|
---|
| 1568 |
|
---|
| 1569 | if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) &&
|
---|
| 1570 | (contname = alloca(len * sizeof(WCHAR)),
|
---|
| 1571 | MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) &&
|
---|
| 1572 | (len =
|
---|
| 1573 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))
|
---|
| 1574 | && (provname =
|
---|
| 1575 | alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP,
|
---|
| 1576 | 0,
|
---|
| 1577 | ctx->cspname,
|
---|
| 1578 | -1,
|
---|
| 1579 | provname,
|
---|
| 1580 | len)))
|
---|
| 1581 | key =
|
---|
| 1582 | capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname,
|
---|
| 1583 | ctx->csptype, ctx->keytype);
|
---|
| 1584 | } else
|
---|
| 1585 | key = capi_get_key(ctx, (TCHAR *)id,
|
---|
| 1586 | (TCHAR *)ctx->cspname,
|
---|
| 1587 | ctx->csptype, ctx->keytype);
|
---|
| 1588 | break;
|
---|
| 1589 | }
|
---|
| 1590 |
|
---|
| 1591 | return key;
|
---|
| 1592 | }
|
---|
| 1593 |
|
---|
| 1594 | void capi_free_key(CAPI_KEY * key)
|
---|
| 1595 | {
|
---|
| 1596 | if (!key)
|
---|
| 1597 | return;
|
---|
| 1598 | CryptDestroyKey(key->key);
|
---|
| 1599 | CryptReleaseContext(key->hprov, 0);
|
---|
| 1600 | if (key->pcert)
|
---|
| 1601 | CertFreeCertificateContext(key->pcert);
|
---|
| 1602 | OPENSSL_free(key);
|
---|
| 1603 | }
|
---|
| 1604 |
|
---|
| 1605 | /* Initialize a CAPI_CTX structure */
|
---|
| 1606 |
|
---|
| 1607 | static CAPI_CTX *capi_ctx_new(void)
|
---|
| 1608 | {
|
---|
| 1609 | CAPI_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
|
---|
| 1610 |
|
---|
| 1611 | if (ctx == NULL) {
|
---|
| 1612 | CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
|
---|
| 1613 | return NULL;
|
---|
| 1614 | }
|
---|
| 1615 | ctx->csptype = PROV_RSA_FULL;
|
---|
| 1616 | ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME;
|
---|
| 1617 | ctx->keytype = AT_KEYEXCHANGE;
|
---|
| 1618 | ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
|
---|
| 1619 | CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER;
|
---|
| 1620 | ctx->lookup_method = CAPI_LU_SUBSTR;
|
---|
| 1621 | ctx->client_cert_select = cert_select_simple;
|
---|
| 1622 | return ctx;
|
---|
| 1623 | }
|
---|
| 1624 |
|
---|
| 1625 | static void capi_ctx_free(CAPI_CTX * ctx)
|
---|
| 1626 | {
|
---|
| 1627 | CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
|
---|
| 1628 | if (!ctx)
|
---|
| 1629 | return;
|
---|
| 1630 | OPENSSL_free(ctx->cspname);
|
---|
| 1631 | OPENSSL_free(ctx->debug_file);
|
---|
| 1632 | OPENSSL_free(ctx->storename);
|
---|
| 1633 | OPENSSL_free(ctx->ssl_client_store);
|
---|
| 1634 | OPENSSL_free(ctx);
|
---|
| 1635 | }
|
---|
| 1636 |
|
---|
| 1637 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type,
|
---|
| 1638 | int check)
|
---|
| 1639 | {
|
---|
| 1640 | LPSTR tmpcspname;
|
---|
| 1641 |
|
---|
| 1642 | CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
|
---|
| 1643 | if (check) {
|
---|
| 1644 | HCRYPTPROV hprov;
|
---|
| 1645 | LPTSTR name = NULL;
|
---|
| 1646 |
|
---|
| 1647 | if (sizeof(TCHAR) != sizeof(char)) {
|
---|
| 1648 | DWORD len;
|
---|
| 1649 | if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) {
|
---|
| 1650 | name = alloca(len * sizeof(WCHAR));
|
---|
| 1651 | MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len);
|
---|
| 1652 | }
|
---|
| 1653 | } else
|
---|
| 1654 | name = (TCHAR *)pname;
|
---|
| 1655 |
|
---|
| 1656 | if (!name || !CryptAcquireContext(&hprov, NULL, name, type,
|
---|
| 1657 | CRYPT_VERIFYCONTEXT)) {
|
---|
| 1658 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME,
|
---|
| 1659 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
---|
| 1660 | capi_addlasterror();
|
---|
| 1661 | return 0;
|
---|
| 1662 | }
|
---|
| 1663 | CryptReleaseContext(hprov, 0);
|
---|
| 1664 | }
|
---|
| 1665 | tmpcspname = OPENSSL_strdup(pname);
|
---|
| 1666 | if (tmpcspname == NULL) {
|
---|
| 1667 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, ERR_R_MALLOC_FAILURE);
|
---|
| 1668 | return 0;
|
---|
| 1669 | }
|
---|
| 1670 | OPENSSL_free(ctx->cspname);
|
---|
| 1671 | ctx->cspname = tmpcspname;
|
---|
| 1672 | ctx->csptype = type;
|
---|
| 1673 | return 1;
|
---|
| 1674 | }
|
---|
| 1675 |
|
---|
| 1676 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx)
|
---|
| 1677 | {
|
---|
| 1678 | LPSTR pname;
|
---|
| 1679 | DWORD type;
|
---|
| 1680 | int res;
|
---|
| 1681 | if (capi_get_provname(ctx, &pname, &type, idx) != 1)
|
---|
| 1682 | return 0;
|
---|
| 1683 | res = capi_ctx_set_provname(ctx, pname, type, 0);
|
---|
| 1684 | OPENSSL_free(pname);
|
---|
| 1685 | return res;
|
---|
| 1686 | }
|
---|
| 1687 |
|
---|
| 1688 | static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
|
---|
| 1689 | {
|
---|
| 1690 | int i;
|
---|
| 1691 | X509_NAME *nm;
|
---|
| 1692 | /* Special case: empty list: match anything */
|
---|
| 1693 | if (sk_X509_NAME_num(ca_dn) <= 0)
|
---|
| 1694 | return 1;
|
---|
| 1695 | for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) {
|
---|
| 1696 | nm = sk_X509_NAME_value(ca_dn, i);
|
---|
| 1697 | if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
|
---|
| 1698 | return 1;
|
---|
| 1699 | }
|
---|
| 1700 | return 0;
|
---|
| 1701 | }
|
---|
| 1702 |
|
---|
| 1703 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
|
---|
| 1704 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
|
---|
| 1705 | EVP_PKEY **pkey, STACK_OF(X509) **pother,
|
---|
| 1706 | UI_METHOD *ui_method,
|
---|
| 1707 | void *callback_data)
|
---|
| 1708 | {
|
---|
| 1709 | STACK_OF(X509) *certs = NULL;
|
---|
| 1710 | X509 *x;
|
---|
| 1711 | char *storename;
|
---|
| 1712 | const unsigned char *p;
|
---|
| 1713 | int i, client_cert_idx;
|
---|
| 1714 | HCERTSTORE hstore;
|
---|
| 1715 | PCCERT_CONTEXT cert = NULL, excert = NULL;
|
---|
| 1716 | CAPI_CTX *ctx;
|
---|
| 1717 | CAPI_KEY *key;
|
---|
| 1718 | ctx = ENGINE_get_ex_data(e, capi_idx);
|
---|
| 1719 |
|
---|
| 1720 | *pcert = NULL;
|
---|
| 1721 | *pkey = NULL;
|
---|
| 1722 |
|
---|
| 1723 | storename = ctx->ssl_client_store;
|
---|
| 1724 | if (!storename)
|
---|
| 1725 | storename = "MY";
|
---|
| 1726 |
|
---|
| 1727 | hstore = capi_open_store(ctx, storename);
|
---|
| 1728 | if (!hstore)
|
---|
| 1729 | return 0;
|
---|
| 1730 | /* Enumerate all certificates collect any matches */
|
---|
| 1731 | for (i = 0;; i++) {
|
---|
| 1732 | cert = CertEnumCertificatesInStore(hstore, cert);
|
---|
| 1733 | if (!cert)
|
---|
| 1734 | break;
|
---|
| 1735 | p = cert->pbCertEncoded;
|
---|
| 1736 | x = d2i_X509(NULL, &p, cert->cbCertEncoded);
|
---|
| 1737 | if (!x) {
|
---|
| 1738 | CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
|
---|
| 1739 | continue;
|
---|
| 1740 | }
|
---|
| 1741 | if (cert_issuer_match(ca_dn, x)
|
---|
| 1742 | && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) {
|
---|
| 1743 | key = capi_get_cert_key(ctx, cert);
|
---|
| 1744 | if (!key) {
|
---|
| 1745 | X509_free(x);
|
---|
| 1746 | continue;
|
---|
| 1747 | }
|
---|
| 1748 | /*
|
---|
| 1749 | * Match found: attach extra data to it so we can retrieve the
|
---|
| 1750 | * key later.
|
---|
| 1751 | */
|
---|
| 1752 | excert = CertDuplicateCertificateContext(cert);
|
---|
| 1753 | key->pcert = excert;
|
---|
| 1754 | X509_set_ex_data(x, cert_capi_idx, key);
|
---|
| 1755 |
|
---|
| 1756 | if (!certs)
|
---|
| 1757 | certs = sk_X509_new_null();
|
---|
| 1758 |
|
---|
| 1759 | sk_X509_push(certs, x);
|
---|
| 1760 | } else
|
---|
| 1761 | X509_free(x);
|
---|
| 1762 |
|
---|
| 1763 | }
|
---|
| 1764 |
|
---|
| 1765 | if (cert)
|
---|
| 1766 | CertFreeCertificateContext(cert);
|
---|
| 1767 | if (hstore)
|
---|
| 1768 | CertCloseStore(hstore, 0);
|
---|
| 1769 |
|
---|
| 1770 | if (!certs)
|
---|
| 1771 | return 0;
|
---|
| 1772 |
|
---|
| 1773 | /* Select the appropriate certificate */
|
---|
| 1774 |
|
---|
| 1775 | client_cert_idx = ctx->client_cert_select(e, ssl, certs);
|
---|
| 1776 |
|
---|
| 1777 | /* Set the selected certificate and free the rest */
|
---|
| 1778 |
|
---|
| 1779 | for (i = 0; i < sk_X509_num(certs); i++) {
|
---|
| 1780 | x = sk_X509_value(certs, i);
|
---|
| 1781 | if (i == client_cert_idx)
|
---|
| 1782 | *pcert = x;
|
---|
| 1783 | else {
|
---|
| 1784 | key = X509_get_ex_data(x, cert_capi_idx);
|
---|
| 1785 | capi_free_key(key);
|
---|
| 1786 | X509_free(x);
|
---|
| 1787 | }
|
---|
| 1788 | }
|
---|
| 1789 |
|
---|
| 1790 | sk_X509_free(certs);
|
---|
| 1791 |
|
---|
| 1792 | if (!*pcert)
|
---|
| 1793 | return 0;
|
---|
| 1794 |
|
---|
| 1795 | /* Setup key for selected certificate */
|
---|
| 1796 |
|
---|
| 1797 | key = X509_get_ex_data(*pcert, cert_capi_idx);
|
---|
| 1798 | *pkey = capi_get_pkey(e, key);
|
---|
| 1799 | X509_set_ex_data(*pcert, cert_capi_idx, NULL);
|
---|
| 1800 |
|
---|
| 1801 | return 1;
|
---|
| 1802 |
|
---|
| 1803 | }
|
---|
| 1804 |
|
---|
| 1805 | /* Simple client cert selection function: always select first */
|
---|
| 1806 |
|
---|
| 1807 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
|
---|
| 1808 | {
|
---|
| 1809 | return 0;
|
---|
| 1810 | }
|
---|
| 1811 |
|
---|
| 1812 | # ifdef OPENSSL_CAPIENG_DIALOG
|
---|
| 1813 |
|
---|
| 1814 | /*
|
---|
| 1815 | * More complex cert selection function, using standard function
|
---|
| 1816 | * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
|
---|
| 1817 | */
|
---|
| 1818 |
|
---|
| 1819 | /*
|
---|
| 1820 | * Definitions which are in cryptuiapi.h but this is not present in older
|
---|
| 1821 | * versions of headers.
|
---|
| 1822 | */
|
---|
| 1823 |
|
---|
| 1824 | # ifndef CRYPTUI_SELECT_LOCATION_COLUMN
|
---|
| 1825 | # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
|
---|
| 1826 | # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
|
---|
| 1827 | # endif
|
---|
| 1828 |
|
---|
| 1829 | # define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
|
---|
| 1830 | # define dlg_prompt L"Select a certificate to use for authentication"
|
---|
| 1831 | # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
|
---|
| 1832 | |CRYPTUI_SELECT_INTENDEDUSE_COLUMN
|
---|
| 1833 |
|
---|
| 1834 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
|
---|
| 1835 | {
|
---|
| 1836 | X509 *x;
|
---|
| 1837 | HCERTSTORE dstore;
|
---|
| 1838 | PCCERT_CONTEXT cert;
|
---|
| 1839 | CAPI_CTX *ctx;
|
---|
| 1840 | CAPI_KEY *key;
|
---|
| 1841 | HWND hwnd;
|
---|
| 1842 | int i, idx = -1;
|
---|
| 1843 | if (sk_X509_num(certs) == 1)
|
---|
| 1844 | return 0;
|
---|
| 1845 | ctx = ENGINE_get_ex_data(e, capi_idx);
|
---|
| 1846 | /* Create an in memory store of certificates */
|
---|
| 1847 | dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
|
---|
| 1848 | CERT_STORE_CREATE_NEW_FLAG, NULL);
|
---|
| 1849 | if (!dstore) {
|
---|
| 1850 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
|
---|
| 1851 | capi_addlasterror();
|
---|
| 1852 | goto err;
|
---|
| 1853 | }
|
---|
| 1854 | /* Add all certificates to store */
|
---|
| 1855 | for (i = 0; i < sk_X509_num(certs); i++) {
|
---|
| 1856 | x = sk_X509_value(certs, i);
|
---|
| 1857 | key = X509_get_ex_data(x, cert_capi_idx);
|
---|
| 1858 |
|
---|
| 1859 | if (!CertAddCertificateContextToStore(dstore, key->pcert,
|
---|
| 1860 | CERT_STORE_ADD_NEW, NULL)) {
|
---|
| 1861 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
|
---|
| 1862 | capi_addlasterror();
|
---|
| 1863 | goto err;
|
---|
| 1864 | }
|
---|
| 1865 |
|
---|
| 1866 | }
|
---|
| 1867 | hwnd = GetForegroundWindow();
|
---|
| 1868 | if (!hwnd)
|
---|
| 1869 | hwnd = GetActiveWindow();
|
---|
| 1870 | if (!hwnd && ctx->getconswindow)
|
---|
| 1871 | hwnd = ctx->getconswindow();
|
---|
| 1872 | /* Call dialog to select one */
|
---|
| 1873 | cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
|
---|
| 1874 | dlg_columns, 0, NULL);
|
---|
| 1875 |
|
---|
| 1876 | /* Find matching cert from list */
|
---|
| 1877 | if (cert) {
|
---|
| 1878 | for (i = 0; i < sk_X509_num(certs); i++) {
|
---|
| 1879 | x = sk_X509_value(certs, i);
|
---|
| 1880 | key = X509_get_ex_data(x, cert_capi_idx);
|
---|
| 1881 | if (CertCompareCertificate
|
---|
| 1882 | (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo,
|
---|
| 1883 | key->pcert->pCertInfo)) {
|
---|
| 1884 | idx = i;
|
---|
| 1885 | break;
|
---|
| 1886 | }
|
---|
| 1887 | }
|
---|
| 1888 | }
|
---|
| 1889 |
|
---|
| 1890 | err:
|
---|
| 1891 | if (dstore)
|
---|
| 1892 | CertCloseStore(dstore, 0);
|
---|
| 1893 | return idx;
|
---|
| 1894 |
|
---|
| 1895 | }
|
---|
| 1896 | # endif
|
---|
| 1897 |
|
---|
| 1898 | #else /* !__COMPILE_CAPIENG */
|
---|
| 1899 | # include <openssl/engine.h>
|
---|
| 1900 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE
|
---|
| 1901 | OPENSSL_EXPORT
|
---|
| 1902 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
|
---|
| 1903 | OPENSSL_EXPORT
|
---|
| 1904 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns)
|
---|
| 1905 | {
|
---|
| 1906 | return 0;
|
---|
| 1907 | }
|
---|
| 1908 |
|
---|
| 1909 | IMPLEMENT_DYNAMIC_CHECK_FN()
|
---|
| 1910 | # else
|
---|
| 1911 | void engine_load_capi_int(void);
|
---|
| 1912 | void engine_load_capi_int(void)
|
---|
| 1913 | {
|
---|
| 1914 | }
|
---|
| 1915 | # endif
|
---|
| 1916 | #endif
|
---|