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7a18ecb2 | 1 | /* engines/e_capi.c */ |
ae5c8664 MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
7a18ecb2 DSH |
4 | * project. |
5 | */ | |
6 | /* ==================================================================== | |
8ea16720 | 7 | * Copyright (c) 2008-2018 The OpenSSL Project. All rights reserved. |
7a18ecb2 DSH |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
ae5c8664 | 14 | * notice, this list of conditions and the following disclaimer. |
7a18ecb2 DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | */ | |
54 | ||
7a18ecb2 DSH |
55 | #include <stdio.h> |
56 | #include <string.h> | |
2ad673c6 AP |
57 | #include <stdlib.h> |
58 | ||
7a18ecb2 | 59 | #include <openssl/crypto.h> |
7a18ecb2 DSH |
60 | |
61 | #ifdef OPENSSL_SYS_WIN32 | |
ae5c8664 | 62 | # ifndef OPENSSL_NO_CAPIENG |
7a18ecb2 | 63 | |
ae5c8664 MC |
64 | # include <openssl/buffer.h> |
65 | # include <openssl/bn.h> | |
66 | # include <openssl/rsa.h> | |
a0f3679b | 67 | |
ae5c8664 MC |
68 | # ifndef _WIN32_WINNT |
69 | # define _WIN32_WINNT 0x0400 | |
70 | # endif | |
a0f3679b | 71 | |
ae5c8664 MC |
72 | # include <windows.h> |
73 | # include <wincrypt.h> | |
74 | # include <malloc.h> | |
75 | # ifndef alloca | |
76 | # define alloca _alloca | |
77 | # endif | |
7a18ecb2 | 78 | |
f0389d8d AP |
79 | /* |
80 | * This module uses several "new" interfaces, among which is | |
81 | * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is | |
82 | * one of possible values you can pass to function in question. By | |
83 | * checking if it's defined we can see if wincrypt.h and accompanying | |
c55551ad DSH |
84 | * crypt32.lib are in shape. The native MingW32 headers up to and |
85 | * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the | |
86 | * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG, | |
87 | * so we check for these too and avoid compiling. | |
88 | * Yes, it's rather "weak" test and if compilation fails, | |
89 | * then re-configure with -DOPENSSL_NO_CAPIENG. | |
f0389d8d | 90 | */ |
ae5c8664 | 91 | # if defined(CERT_KEY_PROV_INFO_PROP_ID) && \ |
c55551ad DSH |
92 | defined(CERT_STORE_PROV_SYSTEM_A) && \ |
93 | defined(CERT_STORE_READONLY_FLAG) | |
ae5c8664 MC |
94 | # define __COMPILE_CAPIENG |
95 | # endif /* CERT_KEY_PROV_INFO_PROP_ID */ | |
96 | # endif /* OPENSSL_NO_CAPIENG */ | |
97 | #endif /* OPENSSL_SYS_WIN32 */ | |
f0389d8d AP |
98 | |
99 | #ifdef __COMPILE_CAPIENG | |
100 | ||
ae5c8664 MC |
101 | # undef X509_EXTENSIONS |
102 | # undef X509_CERT_PAIR | |
11f3cee9 | 103 | |
a0f3679b | 104 | /* Definitions which may be missing from earlier version of headers */ |
ae5c8664 MC |
105 | # ifndef CERT_STORE_OPEN_EXISTING_FLAG |
106 | # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000 | |
107 | # endif | |
a0f3679b | 108 | |
ae5c8664 MC |
109 | # ifndef CERT_STORE_CREATE_NEW_FLAG |
110 | # define CERT_STORE_CREATE_NEW_FLAG 0x00002000 | |
111 | # endif | |
a0f3679b | 112 | |
ae5c8664 MC |
113 | # ifndef CERT_SYSTEM_STORE_CURRENT_USER |
114 | # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000 | |
115 | # endif | |
32c45277 | 116 | |
2454accb DSH |
117 | # ifndef ALG_SID_SHA_256 |
118 | # define ALG_SID_SHA_256 12 | |
119 | # endif | |
120 | # ifndef ALG_SID_SHA_384 | |
121 | # define ALG_SID_SHA_384 13 | |
122 | # endif | |
123 | # ifndef ALG_SID_SHA_512 | |
124 | # define ALG_SID_SHA_512 14 | |
125 | # endif | |
126 | ||
127 | # ifndef CALG_SHA_256 | |
128 | # define CALG_SHA_256 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_256) | |
129 | # endif | |
130 | # ifndef CALG_SHA_384 | |
131 | # define CALG_SHA_384 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_384) | |
132 | # endif | |
133 | # ifndef CALG_SHA_512 | |
134 | # define CALG_SHA_512 (ALG_CLASS_HASH | ALG_TYPE_ANY | ALG_SID_SHA_512) | |
135 | # endif | |
136 | ||
ae5c8664 MC |
137 | # include <openssl/engine.h> |
138 | # include <openssl/pem.h> | |
139 | # include <openssl/x509v3.h> | |
7a18ecb2 | 140 | |
ae5c8664 MC |
141 | # include "e_capi_err.h" |
142 | # include "e_capi_err.c" | |
7a18ecb2 DSH |
143 | |
144 | static const char *engine_capi_id = "capi"; | |
145 | static const char *engine_capi_name = "CryptoAPI ENGINE"; | |
146 | ||
147 | typedef struct CAPI_CTX_st CAPI_CTX; | |
148 | typedef struct CAPI_KEY_st CAPI_KEY; | |
149 | ||
150 | static void capi_addlasterror(void); | |
151 | static void capi_adderror(DWORD err); | |
152 | ||
ae5c8664 | 153 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...); |
7a18ecb2 | 154 | |
ae5c8664 MC |
155 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out); |
156 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out); | |
157 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename); | |
158 | void capi_free_key(CAPI_KEY * key); | |
7a18ecb2 | 159 | |
ae5c8664 MC |
160 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, |
161 | HCERTSTORE hstore); | |
7a18ecb2 | 162 | |
ae5c8664 | 163 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id); |
7a18ecb2 DSH |
164 | |
165 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, | |
ae5c8664 MC |
166 | UI_METHOD *ui_method, void *callback_data); |
167 | static int capi_rsa_sign(int dtype, const unsigned char *m, | |
168 | unsigned int m_len, unsigned char *sigret, | |
169 | unsigned int *siglen, const RSA *rsa); | |
7a18ecb2 | 170 | static int capi_rsa_priv_enc(int flen, const unsigned char *from, |
ae5c8664 | 171 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 | 172 | static int capi_rsa_priv_dec(int flen, const unsigned char *from, |
ae5c8664 | 173 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 DSH |
174 | static int capi_rsa_free(RSA *rsa); |
175 | ||
176 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
ae5c8664 | 177 | DSA *dsa); |
7a18ecb2 | 178 | static int capi_dsa_free(DSA *dsa); |
b3c8dd4e DSH |
179 | |
180 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, | |
ae5c8664 MC |
181 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
182 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
183 | UI_METHOD *ui_method, | |
184 | void *callback_data); | |
1cd504e7 DSH |
185 | |
186 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
ae5c8664 | 187 | # ifdef OPENSSL_CAPIENG_DIALOG |
1cd504e7 | 188 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); |
ae5c8664 | 189 | # endif |
1cd504e7 | 190 | |
ae5c8664 MC |
191 | typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR, |
192 | LPCWSTR, DWORD, DWORD, void *); | |
193 | typedef HWND(WINAPI *GETCONSWIN) (void); | |
1cd504e7 | 194 | |
ae5c8664 MC |
195 | /* |
196 | * This structure contains CAPI ENGINE specific data: it contains various | |
197 | * global options and affects how other functions behave. | |
7a18ecb2 DSH |
198 | */ |
199 | ||
ae5c8664 MC |
200 | # define CAPI_DBG_TRACE 2 |
201 | # define CAPI_DBG_ERROR 1 | |
7a18ecb2 DSH |
202 | |
203 | struct CAPI_CTX_st { | |
ae5c8664 MC |
204 | int debug_level; |
205 | char *debug_file; | |
206 | /* Parameters to use for container lookup */ | |
207 | DWORD keytype; | |
208 | LPSTR cspname; | |
209 | DWORD csptype; | |
210 | /* Certificate store name to use */ | |
211 | LPSTR storename; | |
212 | LPSTR ssl_client_store; | |
213 | /* System store flags */ | |
214 | DWORD store_flags; | |
7a18ecb2 DSH |
215 | /* Lookup string meanings in load_private_key */ |
216 | /* Substring of subject: uses "storename" */ | |
ae5c8664 | 217 | # define CAPI_LU_SUBSTR 1 |
7a18ecb2 | 218 | /* Friendly name: uses storename */ |
ae5c8664 | 219 | # define CAPI_LU_FNAME 2 |
7a18ecb2 | 220 | /* Container name: uses cspname, keytype */ |
ae5c8664 MC |
221 | # define CAPI_LU_CONTNAME 3 |
222 | int lookup_method; | |
7a18ecb2 DSH |
223 | /* Info to dump with dumpcerts option */ |
224 | /* Issuer and serial name strings */ | |
ae5c8664 | 225 | # define CAPI_DMP_SUMMARY 0x1 |
7a18ecb2 | 226 | /* Friendly name */ |
ae5c8664 | 227 | # define CAPI_DMP_FNAME 0x2 |
7a18ecb2 | 228 | /* Full X509_print dump */ |
ae5c8664 | 229 | # define CAPI_DMP_FULL 0x4 |
7a18ecb2 | 230 | /* Dump PEM format certificate */ |
ae5c8664 | 231 | # define CAPI_DMP_PEM 0x8 |
7a18ecb2 | 232 | /* Dump pseudo key (if possible) */ |
ae5c8664 | 233 | # define CAPI_DMP_PSKEY 0x10 |
7a18ecb2 | 234 | /* Dump key info (if possible) */ |
ae5c8664 MC |
235 | # define CAPI_DMP_PKEYINFO 0x20 |
236 | DWORD dump_flags; | |
237 | int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
238 | CERTDLG certselectdlg; | |
239 | GETCONSWIN getconswindow; | |
7a18ecb2 DSH |
240 | }; |
241 | ||
7a18ecb2 | 242 | static CAPI_CTX *capi_ctx_new(); |
ae5c8664 MC |
243 | static void capi_ctx_free(CAPI_CTX * ctx); |
244 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type, | |
245 | int check); | |
246 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx); | |
247 | ||
248 | # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE | |
249 | # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1) | |
250 | # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2) | |
251 | # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) | |
252 | # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) | |
253 | # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) | |
254 | # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6) | |
255 | # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7) | |
256 | # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8) | |
257 | # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9) | |
258 | # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10) | |
259 | # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11) | |
260 | # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12) | |
261 | # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13) | |
7a18ecb2 DSH |
262 | |
263 | static const ENGINE_CMD_DEFN capi_cmd_defns[] = { | |
ae5c8664 MC |
264 | {CAPI_CMD_LIST_CERTS, |
265 | "list_certs", | |
266 | "List all certificates in store", | |
267 | ENGINE_CMD_FLAG_NO_INPUT}, | |
268 | {CAPI_CMD_LOOKUP_CERT, | |
269 | "lookup_cert", | |
270 | "Lookup and output certificates", | |
271 | ENGINE_CMD_FLAG_STRING}, | |
272 | {CAPI_CMD_DEBUG_LEVEL, | |
273 | "debug_level", | |
274 | "debug level (1=errors, 2=trace)", | |
275 | ENGINE_CMD_FLAG_NUMERIC}, | |
276 | {CAPI_CMD_DEBUG_FILE, | |
277 | "debug_file", | |
278 | "debugging filename)", | |
279 | ENGINE_CMD_FLAG_STRING}, | |
280 | {CAPI_CMD_KEYTYPE, | |
281 | "key_type", | |
282 | "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE", | |
283 | ENGINE_CMD_FLAG_NUMERIC}, | |
284 | {CAPI_CMD_LIST_CSPS, | |
285 | "list_csps", | |
286 | "List all CSPs", | |
287 | ENGINE_CMD_FLAG_NO_INPUT}, | |
288 | {CAPI_CMD_SET_CSP_IDX, | |
289 | "csp_idx", | |
290 | "Set CSP by index", | |
291 | ENGINE_CMD_FLAG_NUMERIC}, | |
292 | {CAPI_CMD_SET_CSP_NAME, | |
293 | "csp_name", | |
294 | "Set CSP name, (default CSP used if not specified)", | |
295 | ENGINE_CMD_FLAG_STRING}, | |
296 | {CAPI_CMD_SET_CSP_TYPE, | |
297 | "csp_type", | |
298 | "Set CSP type, (default RSA_PROV_FULL)", | |
299 | ENGINE_CMD_FLAG_NUMERIC}, | |
300 | {CAPI_CMD_LIST_CONTAINERS, | |
301 | "list_containers", | |
302 | "list container names", | |
303 | ENGINE_CMD_FLAG_NO_INPUT}, | |
304 | {CAPI_CMD_LIST_OPTIONS, | |
305 | "list_options", | |
306 | "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, " | |
307 | "32=private key info)", | |
308 | ENGINE_CMD_FLAG_NUMERIC}, | |
309 | {CAPI_CMD_LOOKUP_METHOD, | |
310 | "lookup_method", | |
311 | "Set key lookup method (1=substring, 2=friendlyname, 3=container name)", | |
312 | ENGINE_CMD_FLAG_NUMERIC}, | |
313 | {CAPI_CMD_STORE_NAME, | |
314 | "store_name", | |
315 | "certificate store name, default \"MY\"", | |
316 | ENGINE_CMD_FLAG_STRING}, | |
317 | {CAPI_CMD_STORE_FLAGS, | |
318 | "store_flags", | |
319 | "Certificate store flags: 1 = system store", | |
320 | ENGINE_CMD_FLAG_NUMERIC}, | |
321 | ||
322 | {0, NULL, NULL, 0} | |
323 | }; | |
7a18ecb2 DSH |
324 | |
325 | static int capi_idx = -1; | |
326 | static int rsa_capi_idx = -1; | |
327 | static int dsa_capi_idx = -1; | |
7d537d4f | 328 | static int cert_capi_idx = -1; |
7a18ecb2 | 329 | |
ae5c8664 MC |
330 | static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void)) |
331 | { | |
332 | int ret = 1; | |
333 | CAPI_CTX *ctx; | |
334 | BIO *out; | |
335 | if (capi_idx == -1) { | |
336 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED); | |
337 | return 0; | |
338 | } | |
339 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
340 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
341 | switch (cmd) { | |
342 | case CAPI_CMD_LIST_CSPS: | |
343 | ret = capi_list_providers(ctx, out); | |
344 | break; | |
345 | ||
346 | case CAPI_CMD_LIST_CERTS: | |
347 | ret = capi_list_certs(ctx, out, NULL); | |
348 | break; | |
349 | ||
350 | case CAPI_CMD_LOOKUP_CERT: | |
351 | ret = capi_list_certs(ctx, out, p); | |
352 | break; | |
353 | ||
354 | case CAPI_CMD_LIST_CONTAINERS: | |
355 | ret = capi_list_containers(ctx, out); | |
356 | break; | |
357 | ||
358 | case CAPI_CMD_STORE_NAME: | |
359 | if (ctx->storename) | |
360 | OPENSSL_free(ctx->storename); | |
361 | ctx->storename = BUF_strdup(p); | |
362 | CAPI_trace(ctx, "Setting store name to %s\n", p); | |
363 | break; | |
364 | ||
365 | case CAPI_CMD_STORE_FLAGS: | |
366 | if (i & 1) { | |
367 | ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
368 | ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER; | |
369 | } else { | |
370 | ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER; | |
371 | ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
372 | } | |
373 | CAPI_trace(ctx, "Setting flags to %d\n", i); | |
374 | break; | |
375 | ||
376 | case CAPI_CMD_DEBUG_LEVEL: | |
377 | ctx->debug_level = (int)i; | |
378 | CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level); | |
379 | break; | |
380 | ||
381 | case CAPI_CMD_DEBUG_FILE: | |
382 | ctx->debug_file = BUF_strdup(p); | |
383 | CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file); | |
384 | break; | |
385 | ||
386 | case CAPI_CMD_KEYTYPE: | |
387 | ctx->keytype = i; | |
388 | CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype); | |
389 | break; | |
390 | ||
391 | case CAPI_CMD_SET_CSP_IDX: | |
392 | ret = capi_ctx_set_provname_idx(ctx, i); | |
393 | break; | |
394 | ||
395 | case CAPI_CMD_LIST_OPTIONS: | |
396 | ctx->dump_flags = i; | |
397 | break; | |
398 | ||
399 | case CAPI_CMD_LOOKUP_METHOD: | |
400 | if (i < 1 || i > 3) { | |
401 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD); | |
402 | return 0; | |
403 | } | |
404 | ctx->lookup_method = i; | |
405 | break; | |
406 | ||
407 | case CAPI_CMD_SET_CSP_NAME: | |
408 | ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1); | |
409 | break; | |
410 | ||
411 | case CAPI_CMD_SET_CSP_TYPE: | |
412 | ctx->csptype = i; | |
413 | break; | |
414 | ||
415 | default: | |
416 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND); | |
417 | ret = 0; | |
418 | } | |
419 | ||
420 | BIO_free(out); | |
421 | return ret; | |
422 | ||
423 | } | |
424 | ||
425 | static RSA_METHOD capi_rsa_method = { | |
426 | "CryptoAPI RSA method", | |
427 | 0, /* pub_enc */ | |
428 | 0, /* pub_dec */ | |
429 | capi_rsa_priv_enc, /* priv_enc */ | |
430 | capi_rsa_priv_dec, /* priv_dec */ | |
431 | 0, /* rsa_mod_exp */ | |
432 | 0, /* bn_mod_exp */ | |
433 | 0, /* init */ | |
434 | capi_rsa_free, /* finish */ | |
435 | RSA_FLAG_SIGN_VER, /* flags */ | |
436 | NULL, /* app_data */ | |
437 | capi_rsa_sign, /* rsa_sign */ | |
438 | 0 /* rsa_verify */ | |
439 | }; | |
7a18ecb2 | 440 | |
ae5c8664 MC |
441 | static DSA_METHOD capi_dsa_method = { |
442 | "CryptoAPI DSA method", | |
443 | capi_dsa_do_sign, /* dsa_do_sign */ | |
444 | 0, /* dsa_sign_setup */ | |
445 | 0, /* dsa_do_verify */ | |
446 | 0, /* dsa_mod_exp */ | |
447 | 0, /* bn_mod_exp */ | |
448 | 0, /* init */ | |
449 | capi_dsa_free, /* finish */ | |
450 | 0, /* flags */ | |
451 | NULL, /* app_data */ | |
452 | 0, /* dsa_paramgen */ | |
453 | 0 /* dsa_keygen */ | |
454 | }; | |
7a18ecb2 | 455 | |
ae5c8664 MC |
456 | static int capi_init(ENGINE *e) |
457 | { | |
458 | CAPI_CTX *ctx; | |
459 | const RSA_METHOD *ossl_rsa_meth; | |
460 | const DSA_METHOD *ossl_dsa_meth; | |
461 | ||
462 | if (capi_idx < 0) { | |
463 | capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
464 | if (capi_idx < 0) | |
465 | goto memerr; | |
466 | ||
467 | cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
468 | ||
469 | /* Setup RSA_METHOD */ | |
470 | rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
471 | ossl_rsa_meth = RSA_PKCS1_SSLeay(); | |
472 | capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc; | |
473 | capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec; | |
474 | capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp; | |
475 | capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp; | |
476 | ||
477 | /* Setup DSA Method */ | |
478 | dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
479 | ossl_dsa_meth = DSA_OpenSSL(); | |
480 | capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify; | |
481 | capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp; | |
482 | capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp; | |
483 | } | |
484 | ||
485 | ctx = capi_ctx_new(); | |
486 | if (!ctx) | |
487 | goto memerr; | |
488 | ||
489 | ENGINE_set_ex_data(e, capi_idx, ctx); | |
490 | ||
491 | # ifdef OPENSSL_CAPIENG_DIALOG | |
492 | { | |
493 | HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL")); | |
494 | HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL")); | |
495 | if (cryptui) | |
496 | ctx->certselectdlg = | |
497 | (CERTDLG) GetProcAddress(cryptui, | |
498 | "CryptUIDlgSelectCertificateFromStore"); | |
499 | if (kernel) | |
500 | ctx->getconswindow = | |
501 | (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow"); | |
502 | if (cryptui && !OPENSSL_isservice()) | |
503 | ctx->client_cert_select = cert_select_dialog; | |
504 | } | |
505 | # endif | |
506 | ||
507 | return 1; | |
508 | ||
509 | memerr: | |
510 | CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE); | |
511 | return 0; | |
512 | ||
513 | return 1; | |
514 | } | |
7a18ecb2 DSH |
515 | |
516 | static int capi_destroy(ENGINE *e) | |
ae5c8664 MC |
517 | { |
518 | ERR_unload_CAPI_strings(); | |
519 | return 1; | |
520 | } | |
7a18ecb2 DSH |
521 | |
522 | static int capi_finish(ENGINE *e) | |
ae5c8664 MC |
523 | { |
524 | CAPI_CTX *ctx; | |
525 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
526 | capi_ctx_free(ctx); | |
527 | ENGINE_set_ex_data(e, capi_idx, NULL); | |
528 | return 1; | |
529 | } | |
530 | ||
531 | /* | |
532 | * CryptoAPI key application data. This contains a handle to the private key | |
533 | * container (for sign operations) and a handle to the key (for decrypt | |
534 | * operations). | |
7a18ecb2 DSH |
535 | */ |
536 | ||
ae5c8664 MC |
537 | struct CAPI_KEY_st { |
538 | /* Associated certificate context (if any) */ | |
539 | PCCERT_CONTEXT pcert; | |
540 | HCRYPTPROV hprov; | |
541 | HCRYPTKEY key; | |
542 | DWORD keyspec; | |
543 | }; | |
7a18ecb2 DSH |
544 | |
545 | static int bind_capi(ENGINE *e) | |
ae5c8664 MC |
546 | { |
547 | if (!ENGINE_set_id(e, engine_capi_id) | |
548 | || !ENGINE_set_name(e, engine_capi_name) | |
549 | || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) | |
550 | || !ENGINE_set_init_function(e, capi_init) | |
551 | || !ENGINE_set_finish_function(e, capi_finish) | |
552 | || !ENGINE_set_destroy_function(e, capi_destroy) | |
553 | || !ENGINE_set_RSA(e, &capi_rsa_method) | |
554 | || !ENGINE_set_DSA(e, &capi_dsa_method) | |
555 | || !ENGINE_set_load_privkey_function(e, capi_load_privkey) | |
556 | || !ENGINE_set_load_ssl_client_cert_function(e, | |
557 | capi_load_ssl_client_cert) | |
558 | || !ENGINE_set_cmd_defns(e, capi_cmd_defns) | |
559 | || !ENGINE_set_ctrl_function(e, capi_ctrl)) | |
560 | return 0; | |
561 | ERR_load_CAPI_strings(); | |
562 | ||
563 | return 1; | |
564 | ||
565 | } | |
566 | ||
567 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
7a18ecb2 | 568 | static int bind_helper(ENGINE *e, const char *id) |
ae5c8664 MC |
569 | { |
570 | if (id && (strcmp(id, engine_capi_id) != 0)) | |
571 | return 0; | |
572 | if (!bind_capi(e)) | |
573 | return 0; | |
574 | return 1; | |
575 | } | |
576 | ||
7a18ecb2 | 577 | IMPLEMENT_DYNAMIC_CHECK_FN() |
ae5c8664 MC |
578 | IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) |
579 | # else | |
7a18ecb2 | 580 | static ENGINE *engine_capi(void) |
ae5c8664 MC |
581 | { |
582 | ENGINE *ret = ENGINE_new(); | |
583 | if (!ret) | |
584 | return NULL; | |
585 | if (!bind_capi(ret)) { | |
586 | ENGINE_free(ret); | |
587 | return NULL; | |
588 | } | |
589 | return ret; | |
590 | } | |
7a18ecb2 DSH |
591 | |
592 | void ENGINE_load_capi(void) | |
ae5c8664 MC |
593 | { |
594 | /* Copied from eng_[openssl|dyn].c */ | |
595 | ENGINE *toadd = engine_capi(); | |
596 | if (!toadd) | |
597 | return; | |
598 | ENGINE_add(toadd); | |
599 | ENGINE_free(toadd); | |
600 | ERR_clear_error(); | |
601 | } | |
602 | # endif | |
7a18ecb2 DSH |
603 | |
604 | static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen) | |
ae5c8664 MC |
605 | { |
606 | int i; | |
607 | /* | |
608 | * Reverse buffer in place: since this is a keyblob structure that will | |
609 | * be freed up after conversion anyway it doesn't matter if we change | |
610 | * it. | |
611 | */ | |
612 | for (i = 0; i < binlen / 2; i++) { | |
613 | unsigned char c; | |
614 | c = bin[i]; | |
615 | bin[i] = bin[binlen - i - 1]; | |
616 | bin[binlen - i - 1] = c; | |
617 | } | |
618 | ||
619 | if (!BN_bin2bn(bin, binlen, bn)) | |
620 | return 0; | |
621 | return 1; | |
622 | } | |
7a18ecb2 | 623 | |
b3c8dd4e DSH |
624 | /* Given a CAPI_KEY get an EVP_PKEY structure */ |
625 | ||
ae5c8664 MC |
626 | static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key) |
627 | { | |
628 | unsigned char *pubkey = NULL; | |
629 | DWORD len; | |
630 | BLOBHEADER *bh; | |
631 | RSA *rkey = NULL; | |
632 | DSA *dkey = NULL; | |
633 | EVP_PKEY *ret = NULL; | |
634 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) { | |
635 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); | |
636 | capi_addlasterror(); | |
637 | return NULL; | |
638 | } | |
639 | ||
640 | pubkey = OPENSSL_malloc(len); | |
641 | ||
642 | if (!pubkey) | |
643 | goto memerr; | |
644 | ||
645 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) { | |
646 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR); | |
647 | capi_addlasterror(); | |
648 | goto err; | |
649 | } | |
650 | ||
651 | bh = (BLOBHEADER *) pubkey; | |
652 | if (bh->bType != PUBLICKEYBLOB) { | |
653 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); | |
654 | goto err; | |
655 | } | |
656 | if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) { | |
657 | RSAPUBKEY *rp; | |
658 | DWORD rsa_modlen; | |
659 | unsigned char *rsa_modulus; | |
660 | rp = (RSAPUBKEY *) (bh + 1); | |
661 | if (rp->magic != 0x31415352) { | |
662 | char magstr[10]; | |
663 | BIO_snprintf(magstr, 10, "%lx", rp->magic); | |
664 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
665 | CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
666 | ERR_add_error_data(2, "magic=0x", magstr); | |
667 | goto err; | |
668 | } | |
669 | rsa_modulus = (unsigned char *)(rp + 1); | |
670 | rkey = RSA_new_method(eng); | |
671 | if (!rkey) | |
672 | goto memerr; | |
673 | ||
674 | rkey->e = BN_new(); | |
675 | rkey->n = BN_new(); | |
676 | ||
677 | if (!rkey->e || !rkey->n) | |
678 | goto memerr; | |
679 | ||
680 | if (!BN_set_word(rkey->e, rp->pubexp)) | |
681 | goto memerr; | |
682 | ||
683 | rsa_modlen = rp->bitlen / 8; | |
684 | if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen)) | |
685 | goto memerr; | |
686 | ||
687 | RSA_set_ex_data(rkey, rsa_capi_idx, key); | |
688 | ||
689 | if (!(ret = EVP_PKEY_new())) | |
690 | goto memerr; | |
691 | ||
692 | EVP_PKEY_assign_RSA(ret, rkey); | |
693 | rkey = NULL; | |
694 | ||
695 | } else if (bh->aiKeyAlg == CALG_DSS_SIGN) { | |
696 | DSSPUBKEY *dp; | |
697 | DWORD dsa_plen; | |
698 | unsigned char *btmp; | |
699 | dp = (DSSPUBKEY *) (bh + 1); | |
700 | if (dp->magic != 0x31535344) { | |
701 | char magstr[10]; | |
702 | BIO_snprintf(magstr, 10, "%lx", dp->magic); | |
703 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
704 | CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
705 | ERR_add_error_data(2, "magic=0x", magstr); | |
706 | goto err; | |
707 | } | |
708 | dsa_plen = dp->bitlen / 8; | |
709 | btmp = (unsigned char *)(dp + 1); | |
710 | dkey = DSA_new_method(eng); | |
711 | if (!dkey) | |
712 | goto memerr; | |
713 | dkey->p = BN_new(); | |
714 | dkey->q = BN_new(); | |
715 | dkey->g = BN_new(); | |
716 | dkey->pub_key = BN_new(); | |
717 | if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key) | |
718 | goto memerr; | |
719 | if (!lend_tobn(dkey->p, btmp, dsa_plen)) | |
720 | goto memerr; | |
721 | btmp += dsa_plen; | |
722 | if (!lend_tobn(dkey->q, btmp, 20)) | |
723 | goto memerr; | |
724 | btmp += 20; | |
725 | if (!lend_tobn(dkey->g, btmp, dsa_plen)) | |
726 | goto memerr; | |
727 | btmp += dsa_plen; | |
728 | if (!lend_tobn(dkey->pub_key, btmp, dsa_plen)) | |
729 | goto memerr; | |
730 | btmp += dsa_plen; | |
731 | ||
732 | DSA_set_ex_data(dkey, dsa_capi_idx, key); | |
733 | ||
734 | if (!(ret = EVP_PKEY_new())) | |
735 | goto memerr; | |
736 | ||
737 | EVP_PKEY_assign_DSA(ret, dkey); | |
738 | dkey = NULL; | |
739 | } else { | |
740 | char algstr[10]; | |
741 | BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg); | |
742 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
743 | CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); | |
744 | ERR_add_error_data(2, "aiKeyAlg=0x", algstr); | |
745 | goto err; | |
746 | } | |
747 | ||
748 | err: | |
749 | if (pubkey) | |
750 | OPENSSL_free(pubkey); | |
751 | if (!ret) { | |
752 | if (rkey) | |
753 | RSA_free(rkey); | |
754 | if (dkey) | |
755 | DSA_free(dkey); | |
756 | } | |
757 | ||
758 | return ret; | |
759 | ||
760 | memerr: | |
761 | CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE); | |
762 | goto err; | |
763 | ||
764 | } | |
7a18ecb2 | 765 | |
b3c8dd4e | 766 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, |
ae5c8664 MC |
767 | UI_METHOD *ui_method, void *callback_data) |
768 | { | |
769 | CAPI_CTX *ctx; | |
770 | CAPI_KEY *key; | |
771 | EVP_PKEY *ret; | |
772 | ctx = ENGINE_get_ex_data(eng, capi_idx); | |
b3c8dd4e | 773 | |
ae5c8664 MC |
774 | if (!ctx) { |
775 | CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); | |
776 | return NULL; | |
777 | } | |
b3c8dd4e | 778 | |
ae5c8664 | 779 | key = capi_find_key(ctx, key_id); |
b3c8dd4e | 780 | |
ae5c8664 MC |
781 | if (!key) |
782 | return NULL; | |
b3c8dd4e | 783 | |
ae5c8664 | 784 | ret = capi_get_pkey(eng, key); |
b3c8dd4e | 785 | |
ae5c8664 MC |
786 | if (!ret) |
787 | capi_free_key(key); | |
788 | return ret; | |
b3c8dd4e | 789 | |
ae5c8664 | 790 | } |
b3c8dd4e | 791 | |
7a18ecb2 DSH |
792 | /* CryptoAPI RSA operations */ |
793 | ||
794 | int capi_rsa_priv_enc(int flen, const unsigned char *from, | |
ae5c8664 MC |
795 | unsigned char *to, RSA *rsa, int padding) |
796 | { | |
797 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED); | |
798 | return -1; | |
799 | } | |
7a18ecb2 DSH |
800 | |
801 | int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, | |
ae5c8664 MC |
802 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa) |
803 | { | |
804 | ALG_ID alg; | |
805 | HCRYPTHASH hash; | |
806 | DWORD slen; | |
807 | unsigned int i; | |
808 | int ret = -1; | |
809 | CAPI_KEY *capi_key; | |
810 | CAPI_CTX *ctx; | |
811 | ||
812 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
813 | ||
814 | CAPI_trace(ctx, "Called CAPI_rsa_sign()\n"); | |
815 | ||
816 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
817 | if (!capi_key) { | |
818 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY); | |
819 | return -1; | |
820 | } | |
7a18ecb2 | 821 | /* Convert the signature type to a CryptoAPI algorithm ID */ |
ae5c8664 | 822 | switch (dtype) { |
2454accb DSH |
823 | case NID_sha256: |
824 | alg = CALG_SHA_256; | |
825 | break; | |
826 | ||
827 | case NID_sha384: | |
828 | alg = CALG_SHA_384; | |
829 | break; | |
830 | ||
831 | case NID_sha512: | |
832 | alg = CALG_SHA_512; | |
833 | break; | |
834 | ||
ae5c8664 MC |
835 | case NID_sha1: |
836 | alg = CALG_SHA1; | |
837 | break; | |
838 | ||
839 | case NID_md5: | |
840 | alg = CALG_MD5; | |
841 | break; | |
842 | ||
843 | case NID_md5_sha1: | |
844 | alg = CALG_SSL3_SHAMD5; | |
845 | break; | |
846 | default: | |
847 | { | |
848 | char algstr[10]; | |
849 | BIO_snprintf(algstr, 10, "%lx", dtype); | |
850 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID); | |
851 | ERR_add_error_data(2, "NID=0x", algstr); | |
852 | return -1; | |
853 | } | |
854 | } | |
7a18ecb2 DSH |
855 | |
856 | /* Create the hash object */ | |
ae5c8664 MC |
857 | if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) { |
858 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
859 | capi_addlasterror(); | |
860 | return -1; | |
861 | } | |
7a18ecb2 DSH |
862 | /* Set the hash value to the value passed */ |
863 | ||
ae5c8664 MC |
864 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) { |
865 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
866 | capi_addlasterror(); | |
867 | goto err; | |
868 | } | |
7a18ecb2 DSH |
869 | |
870 | /* Finally sign it */ | |
ae5c8664 MC |
871 | slen = RSA_size(rsa); |
872 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) { | |
873 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
874 | capi_addlasterror(); | |
875 | goto err; | |
876 | } else { | |
877 | ret = 1; | |
878 | /* Inplace byte reversal of signature */ | |
879 | for (i = 0; i < slen / 2; i++) { | |
880 | unsigned char c; | |
881 | c = sigret[i]; | |
882 | sigret[i] = sigret[slen - i - 1]; | |
883 | sigret[slen - i - 1] = c; | |
884 | } | |
885 | *siglen = slen; | |
886 | } | |
887 | ||
888 | /* Now cleanup */ | |
889 | ||
890 | err: | |
891 | CryptDestroyHash(hash); | |
892 | ||
893 | return ret; | |
894 | } | |
7a18ecb2 DSH |
895 | |
896 | int capi_rsa_priv_dec(int flen, const unsigned char *from, | |
ae5c8664 MC |
897 | unsigned char *to, RSA *rsa, int padding) |
898 | { | |
899 | int i; | |
900 | unsigned char *tmpbuf; | |
901 | CAPI_KEY *capi_key; | |
902 | CAPI_CTX *ctx; | |
fb953d29 RL |
903 | DWORD flags = 0; |
904 | ||
ae5c8664 MC |
905 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); |
906 | ||
907 | CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n"); | |
908 | ||
909 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
910 | if (!capi_key) { | |
911 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY); | |
912 | return -1; | |
913 | } | |
914 | ||
fb953d29 RL |
915 | switch (padding) { |
916 | case RSA_PKCS1_PADDING: | |
917 | /* Nothing to do */ | |
918 | break; | |
919 | #ifdef CRYPT_DECRYPT_RSA_NO_PADDING_CHECK | |
920 | case RSA_NO_PADDING: | |
921 | flags = CRYPT_DECRYPT_RSA_NO_PADDING_CHECK; | |
922 | break; | |
923 | #endif | |
924 | default: | |
925 | { | |
926 | char errstr[10]; | |
927 | BIO_snprintf(errstr, 10, "%d", padding); | |
928 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING); | |
929 | ERR_add_error_data(2, "padding=", errstr); | |
930 | return -1; | |
931 | } | |
ae5c8664 MC |
932 | } |
933 | ||
934 | /* Create temp reverse order version of input */ | |
935 | if (!(tmpbuf = OPENSSL_malloc(flen))) { | |
936 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE); | |
937 | return -1; | |
938 | } | |
939 | for (i = 0; i < flen; i++) | |
940 | tmpbuf[flen - i - 1] = from[i]; | |
941 | ||
942 | /* Finally decrypt it */ | |
fb953d29 | 943 | if (!CryptDecrypt(capi_key->key, 0, TRUE, flags, tmpbuf, &flen)) { |
ae5c8664 MC |
944 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR); |
945 | capi_addlasterror(); | |
fb953d29 | 946 | OPENSSL_cleanse(tmpbuf, flen); |
ae5c8664 MC |
947 | OPENSSL_free(tmpbuf); |
948 | return -1; | |
fb953d29 | 949 | } else { |
ae5c8664 | 950 | memcpy(to, tmpbuf, flen); |
fb953d29 | 951 | } |
ae5c8664 | 952 | |
fb953d29 | 953 | OPENSSL_cleanse(tmpbuf, flen); |
ae5c8664 MC |
954 | OPENSSL_free(tmpbuf); |
955 | ||
956 | return flen; | |
957 | } | |
7a18ecb2 DSH |
958 | |
959 | static int capi_rsa_free(RSA *rsa) | |
ae5c8664 MC |
960 | { |
961 | CAPI_KEY *capi_key; | |
962 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
963 | capi_free_key(capi_key); | |
964 | RSA_set_ex_data(rsa, rsa_capi_idx, 0); | |
965 | return 1; | |
966 | } | |
7a18ecb2 DSH |
967 | |
968 | /* CryptoAPI DSA operations */ | |
969 | ||
970 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
ae5c8664 MC |
971 | DSA *dsa) |
972 | { | |
973 | HCRYPTHASH hash; | |
974 | DWORD slen; | |
975 | DSA_SIG *ret = NULL; | |
976 | CAPI_KEY *capi_key; | |
977 | CAPI_CTX *ctx; | |
978 | unsigned char csigbuf[40]; | |
979 | ||
980 | ctx = ENGINE_get_ex_data(dsa->engine, capi_idx); | |
981 | ||
982 | CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n"); | |
983 | ||
984 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
985 | ||
986 | if (!capi_key) { | |
987 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY); | |
988 | return NULL; | |
989 | } | |
990 | ||
991 | if (dlen != 20) { | |
992 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH); | |
993 | return NULL; | |
994 | } | |
995 | ||
996 | /* Create the hash object */ | |
997 | if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) { | |
998 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
999 | capi_addlasterror(); | |
1000 | return NULL; | |
1001 | } | |
1002 | ||
1003 | /* Set the hash value to the value passed */ | |
1004 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) { | |
1005 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
1006 | capi_addlasterror(); | |
1007 | goto err; | |
1008 | } | |
1009 | ||
1010 | /* Finally sign it */ | |
1011 | slen = sizeof(csigbuf); | |
1012 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) { | |
1013 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
1014 | capi_addlasterror(); | |
1015 | goto err; | |
1016 | } else { | |
1017 | ret = DSA_SIG_new(); | |
1018 | if (!ret) | |
1019 | goto err; | |
1020 | ret->r = BN_new(); | |
1021 | ret->s = BN_new(); | |
1022 | if (!ret->r || !ret->s) | |
1023 | goto err; | |
1024 | if (!lend_tobn(ret->r, csigbuf, 20) | |
1025 | || !lend_tobn(ret->s, csigbuf + 20, 20)) { | |
1026 | DSA_SIG_free(ret); | |
1027 | ret = NULL; | |
1028 | goto err; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | /* Now cleanup */ | |
1033 | ||
1034 | err: | |
1035 | OPENSSL_cleanse(csigbuf, 40); | |
1036 | CryptDestroyHash(hash); | |
1037 | return ret; | |
1038 | } | |
7a18ecb2 DSH |
1039 | |
1040 | static int capi_dsa_free(DSA *dsa) | |
ae5c8664 MC |
1041 | { |
1042 | CAPI_KEY *capi_key; | |
1043 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
1044 | capi_free_key(capi_key); | |
1045 | DSA_set_ex_data(dsa, dsa_capi_idx, 0); | |
1046 | return 1; | |
1047 | } | |
1048 | ||
1049 | static void capi_vtrace(CAPI_CTX * ctx, int level, char *format, | |
1050 | va_list argptr) | |
1051 | { | |
1052 | BIO *out; | |
1053 | ||
1054 | if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file)) | |
1055 | return; | |
1056 | out = BIO_new_file(ctx->debug_file, "a+"); | |
1057 | BIO_vprintf(out, format, argptr); | |
1058 | BIO_free(out); | |
1059 | } | |
1060 | ||
1061 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...) | |
1062 | { | |
1063 | va_list args; | |
1064 | va_start(args, format); | |
1065 | capi_vtrace(ctx, CAPI_DBG_TRACE, format, args); | |
1066 | va_end(args); | |
1067 | } | |
7a18ecb2 DSH |
1068 | |
1069 | static void capi_addlasterror(void) | |
ae5c8664 MC |
1070 | { |
1071 | capi_adderror(GetLastError()); | |
1072 | } | |
7a18ecb2 DSH |
1073 | |
1074 | static void capi_adderror(DWORD err) | |
ae5c8664 MC |
1075 | { |
1076 | char errstr[10]; | |
1077 | BIO_snprintf(errstr, 10, "%lX", err); | |
1078 | ERR_add_error_data(2, "Error code= 0x", errstr); | |
1079 | } | |
7a18ecb2 | 1080 | |
2ad673c6 | 1081 | static char *wide_to_asc(LPCWSTR wstr) |
ae5c8664 MC |
1082 | { |
1083 | char *str; | |
1084 | int len_0, sz; | |
1085 | ||
1086 | if (!wstr) | |
1087 | return NULL; | |
1088 | len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */ | |
1089 | sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL); | |
1090 | if (!sz) { | |
1091 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1092 | return NULL; | |
1093 | } | |
1094 | str = OPENSSL_malloc(sz); | |
1095 | if (!str) { | |
1096 | CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE); | |
1097 | return NULL; | |
1098 | } | |
1099 | if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) { | |
1100 | OPENSSL_free(str); | |
1101 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1102 | return NULL; | |
1103 | } | |
1104 | return str; | |
1105 | } | |
1106 | ||
1107 | static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype, | |
1108 | DWORD idx) | |
1109 | { | |
1110 | DWORD len, err; | |
1111 | LPTSTR name; | |
1112 | CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx); | |
1113 | if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) { | |
1114 | err = GetLastError(); | |
1115 | if (err == ERROR_NO_MORE_ITEMS) | |
1116 | return 2; | |
1117 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1118 | capi_adderror(err); | |
1119 | return 0; | |
1120 | } | |
1121 | if (sizeof(TCHAR) != sizeof(char)) | |
1122 | name = alloca(len); | |
1123 | else | |
1124 | name = OPENSSL_malloc(len); | |
a03f81f4 RS |
1125 | if (name == NULL) { |
1126 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, ERR_R_MALLOC_FAILURE); | |
1127 | return 0; | |
1128 | } | |
ae5c8664 MC |
1129 | if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) { |
1130 | err = GetLastError(); | |
1131 | if (err == ERROR_NO_MORE_ITEMS) | |
1132 | return 2; | |
1133 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1134 | capi_adderror(err); | |
1135 | return 0; | |
1136 | } | |
1137 | if (sizeof(TCHAR) != sizeof(char)) | |
1138 | *pname = wide_to_asc((WCHAR *)name); | |
1139 | else | |
1140 | *pname = (char *)name; | |
1141 | CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname, | |
1142 | *ptype); | |
1143 | ||
1144 | return 1; | |
1145 | } | |
1146 | ||
1147 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out) | |
1148 | { | |
1149 | DWORD idx, ptype; | |
1150 | int ret; | |
1151 | LPSTR provname = NULL; | |
1152 | CAPI_trace(ctx, "capi_list_providers\n"); | |
1153 | BIO_printf(out, "Available CSPs:\n"); | |
1154 | for (idx = 0;; idx++) { | |
1155 | ret = capi_get_provname(ctx, &provname, &ptype, idx); | |
1156 | if (ret == 2) | |
1157 | break; | |
1158 | if (ret == 0) | |
1159 | break; | |
1160 | BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype); | |
1161 | OPENSSL_free(provname); | |
1162 | } | |
1163 | return 1; | |
1164 | } | |
1165 | ||
1166 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out) | |
1167 | { | |
1168 | int ret = 1; | |
1169 | HCRYPTPROV hprov; | |
1170 | DWORD err, idx, flags, buflen = 0, clen; | |
1171 | LPSTR cname; | |
1172 | LPTSTR cspname = NULL; | |
1173 | ||
1174 | CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, | |
1175 | ctx->csptype); | |
1176 | if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) { | |
1177 | if ((clen = | |
1178 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) { | |
1179 | cspname = alloca(clen * sizeof(WCHAR)); | |
1180 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname, | |
1181 | clen); | |
1182 | } | |
1183 | if (!cspname) { | |
1184 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1185 | capi_addlasterror(); | |
1186 | return 0; | |
1187 | } | |
1188 | } else | |
1189 | cspname = (TCHAR *)ctx->cspname; | |
1190 | if (!CryptAcquireContext | |
1191 | (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) { | |
1192 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, | |
1193 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1194 | capi_addlasterror(); | |
1195 | return 0; | |
1196 | } | |
1197 | if (!CryptGetProvParam | |
1198 | (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) { | |
1199 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1200 | capi_addlasterror(); | |
1201 | CryptReleaseContext(hprov, 0); | |
1202 | return 0; | |
1203 | } | |
1204 | CAPI_trace(ctx, "Got max container len %d\n", buflen); | |
1205 | if (buflen == 0) | |
1206 | buflen = 1024; | |
1207 | cname = OPENSSL_malloc(buflen); | |
1208 | if (!cname) { | |
1209 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1210 | goto err; | |
1211 | } | |
1212 | ||
1213 | for (idx = 0;; idx++) { | |
1214 | clen = buflen; | |
1215 | cname[0] = 0; | |
1216 | ||
1217 | if (idx == 0) | |
1218 | flags = CRYPT_FIRST; | |
1219 | else | |
1220 | flags = 0; | |
1221 | if (!CryptGetProvParam | |
1222 | (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) { | |
1223 | err = GetLastError(); | |
1224 | if (err == ERROR_NO_MORE_ITEMS) | |
1225 | goto done; | |
1226 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1227 | capi_adderror(err); | |
1228 | goto err; | |
1229 | } | |
1230 | CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", | |
1231 | cname, clen, idx, flags); | |
1232 | if (!cname[0] && (clen == buflen)) { | |
1233 | CAPI_trace(ctx, "Enumerate bug: using workaround\n"); | |
1234 | goto done; | |
1235 | } | |
1236 | BIO_printf(out, "%d. %s\n", idx, cname); | |
1237 | } | |
1238 | err: | |
1239 | ||
1240 | ret = 0; | |
1241 | ||
1242 | done: | |
1243 | if (cname) | |
1244 | OPENSSL_free(cname); | |
1245 | CryptReleaseContext(hprov, 0); | |
1246 | ||
1247 | return ret; | |
1248 | } | |
1249 | ||
1250 | CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1251 | { | |
1252 | DWORD len; | |
1253 | CRYPT_KEY_PROV_INFO *pinfo; | |
1254 | ||
1255 | if (!CertGetCertificateContextProperty | |
1256 | (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len)) | |
1257 | return NULL; | |
1258 | pinfo = OPENSSL_malloc(len); | |
1259 | if (!pinfo) { | |
1260 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE); | |
1261 | return NULL; | |
1262 | } | |
1263 | if (!CertGetCertificateContextProperty | |
1264 | (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) { | |
1265 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, | |
1266 | CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO); | |
1267 | capi_addlasterror(); | |
1268 | OPENSSL_free(pinfo); | |
1269 | return NULL; | |
1270 | } | |
1271 | return pinfo; | |
1272 | } | |
1273 | ||
1274 | static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out, | |
1275 | CRYPT_KEY_PROV_INFO * pinfo) | |
1276 | { | |
1277 | char *provname = NULL, *contname = NULL; | |
1278 | if (!pinfo) { | |
1279 | BIO_printf(out, " No Private Key\n"); | |
1280 | return; | |
1281 | } | |
1282 | provname = wide_to_asc(pinfo->pwszProvName); | |
1283 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1284 | if (!provname || !contname) | |
1285 | goto err; | |
1286 | ||
1287 | BIO_printf(out, " Private Key Info:\n"); | |
1288 | BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, | |
1289 | pinfo->dwProvType); | |
1290 | BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, | |
1291 | pinfo->dwKeySpec); | |
1292 | err: | |
1293 | if (provname) | |
1294 | OPENSSL_free(provname); | |
1295 | if (contname) | |
1296 | OPENSSL_free(contname); | |
1297 | } | |
1298 | ||
1299 | char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1300 | { | |
1301 | LPWSTR wfname; | |
1302 | DWORD dlen; | |
1303 | ||
1304 | CAPI_trace(ctx, "capi_cert_get_fname\n"); | |
1305 | if (!CertGetCertificateContextProperty | |
1306 | (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen)) | |
1307 | return NULL; | |
1308 | wfname = OPENSSL_malloc(dlen); | |
a03f81f4 RS |
1309 | if (wfname == NULL) { |
1310 | CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, ERR_R_MALLOC_FAILURE); | |
1311 | return NULL; | |
1312 | } | |
ae5c8664 MC |
1313 | if (CertGetCertificateContextProperty |
1314 | (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) { | |
1315 | char *fname = wide_to_asc(wfname); | |
1316 | OPENSSL_free(wfname); | |
1317 | return fname; | |
1318 | } | |
1319 | CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME); | |
1320 | capi_addlasterror(); | |
1321 | ||
1322 | OPENSSL_free(wfname); | |
1323 | return NULL; | |
1324 | } | |
1325 | ||
1326 | void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert) | |
1327 | { | |
1328 | X509 *x; | |
1329 | unsigned char *p; | |
1330 | unsigned long flags = ctx->dump_flags; | |
1331 | if (flags & CAPI_DMP_FNAME) { | |
1332 | char *fname; | |
1333 | fname = capi_cert_get_fname(ctx, cert); | |
1334 | if (fname) { | |
1335 | BIO_printf(out, " Friendly Name \"%s\"\n", fname); | |
1336 | OPENSSL_free(fname); | |
1337 | } else | |
1338 | BIO_printf(out, " <No Friendly Name>\n"); | |
1339 | } | |
1340 | ||
1341 | p = cert->pbCertEncoded; | |
1342 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1343 | if (!x) | |
1344 | BIO_printf(out, " <Can't parse certificate>\n"); | |
1345 | if (flags & CAPI_DMP_SUMMARY) { | |
1346 | BIO_printf(out, " Subject: "); | |
1347 | X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE); | |
1348 | BIO_printf(out, "\n Issuer: "); | |
1349 | X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE); | |
1350 | BIO_printf(out, "\n"); | |
1351 | } | |
1352 | if (flags & CAPI_DMP_FULL) | |
1353 | X509_print_ex(out, x, XN_FLAG_ONELINE, 0); | |
1354 | ||
1355 | if (flags & CAPI_DMP_PKEYINFO) { | |
1356 | CRYPT_KEY_PROV_INFO *pinfo; | |
1357 | pinfo = capi_get_prov_info(ctx, cert); | |
1358 | capi_dump_prov_info(ctx, out, pinfo); | |
1359 | if (pinfo) | |
1360 | OPENSSL_free(pinfo); | |
1361 | } | |
1362 | ||
1363 | if (flags & CAPI_DMP_PEM) | |
1364 | PEM_write_bio_X509(out, x); | |
1365 | X509_free(x); | |
1366 | } | |
1367 | ||
1368 | HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename) | |
1369 | { | |
1370 | HCERTSTORE hstore; | |
1371 | ||
1372 | if (!storename) | |
1373 | storename = ctx->storename; | |
1374 | if (!storename) | |
1375 | storename = "MY"; | |
1376 | CAPI_trace(ctx, "Opening certificate store %s\n", storename); | |
1377 | ||
1378 | hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0, | |
1379 | ctx->store_flags, storename); | |
1380 | if (!hstore) { | |
1381 | CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE); | |
1382 | capi_addlasterror(); | |
1383 | } | |
1384 | return hstore; | |
1385 | } | |
1386 | ||
1387 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id) | |
1388 | { | |
1389 | char *storename; | |
1390 | int idx; | |
1391 | int ret = 1; | |
1392 | HCERTSTORE hstore; | |
1393 | PCCERT_CONTEXT cert = NULL; | |
1394 | ||
1395 | storename = ctx->storename; | |
1396 | if (!storename) | |
1397 | storename = "MY"; | |
1398 | CAPI_trace(ctx, "Listing certs for store %s\n", storename); | |
1399 | ||
1400 | hstore = capi_open_store(ctx, storename); | |
1401 | if (!hstore) | |
1402 | return 0; | |
1403 | if (id) { | |
1404 | cert = capi_find_cert(ctx, id, hstore); | |
1405 | if (!cert) { | |
1406 | ret = 0; | |
1407 | goto err; | |
1408 | } | |
1409 | capi_dump_cert(ctx, out, cert); | |
1410 | CertFreeCertificateContext(cert); | |
1411 | } else { | |
1412 | for (idx = 0;; idx++) { | |
1413 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1414 | if (!cert) | |
1415 | break; | |
1416 | BIO_printf(out, "Certificate %d\n", idx); | |
1417 | capi_dump_cert(ctx, out, cert); | |
1418 | } | |
1419 | } | |
1420 | err: | |
1421 | CertCloseStore(hstore, 0); | |
1422 | return ret; | |
1423 | } | |
1424 | ||
1425 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, | |
1426 | HCERTSTORE hstore) | |
1427 | { | |
1428 | PCCERT_CONTEXT cert = NULL; | |
1429 | char *fname = NULL; | |
1430 | int match; | |
1431 | switch (ctx->lookup_method) { | |
1432 | case CAPI_LU_SUBSTR: | |
1433 | return CertFindCertificateInStore(hstore, | |
1434 | X509_ASN_ENCODING, 0, | |
1435 | CERT_FIND_SUBJECT_STR_A, id, NULL); | |
1436 | case CAPI_LU_FNAME: | |
1437 | for (;;) { | |
1438 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1439 | if (!cert) | |
1440 | return NULL; | |
1441 | fname = capi_cert_get_fname(ctx, cert); | |
1442 | if (fname) { | |
1443 | if (strcmp(fname, id)) | |
1444 | match = 0; | |
1445 | else | |
1446 | match = 1; | |
1447 | OPENSSL_free(fname); | |
1448 | if (match) | |
1449 | return cert; | |
1450 | } | |
1451 | } | |
1452 | default: | |
1453 | return NULL; | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname, | |
1458 | TCHAR *provname, DWORD ptype, DWORD keyspec) | |
1459 | { | |
1460 | CAPI_KEY *key; | |
1461 | DWORD dwFlags = 0; | |
1462 | key = OPENSSL_malloc(sizeof(CAPI_KEY)); | |
a03f81f4 RS |
1463 | if (key == NULL) { |
1464 | CAPIerr(CAPI_F_CAPI_GET_KEY, ERR_R_MALLOC_FAILURE); | |
1465 | capi_addlasterror(); | |
1466 | goto err; | |
1467 | } | |
ae5c8664 MC |
1468 | if (sizeof(TCHAR) == sizeof(char)) |
1469 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
1470 | contname, provname, ptype); | |
1471 | else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) { | |
1472 | /* above 'if' is optimization to minimize malloc-ations */ | |
1473 | char *_contname = wide_to_asc((WCHAR *)contname); | |
1474 | char *_provname = wide_to_asc((WCHAR *)provname); | |
1475 | ||
1476 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
1477 | _contname, _provname, ptype); | |
1478 | if (_provname) | |
1479 | OPENSSL_free(_provname); | |
1480 | if (_contname) | |
1481 | OPENSSL_free(_contname); | |
1482 | } | |
1483 | if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE) | |
1484 | dwFlags = CRYPT_MACHINE_KEYSET; | |
1485 | if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) { | |
1486 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1487 | capi_addlasterror(); | |
1488 | goto err; | |
1489 | } | |
1490 | if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) { | |
1491 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR); | |
1492 | capi_addlasterror(); | |
1493 | CryptReleaseContext(key->hprov, 0); | |
1494 | goto err; | |
1495 | } | |
1496 | key->keyspec = keyspec; | |
1497 | key->pcert = NULL; | |
1498 | return key; | |
1499 | ||
1500 | err: | |
1501 | OPENSSL_free(key); | |
1502 | return NULL; | |
1503 | } | |
1504 | ||
1505 | static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1506 | { | |
1507 | CAPI_KEY *key = NULL; | |
1508 | CRYPT_KEY_PROV_INFO *pinfo = NULL; | |
1509 | char *provname = NULL, *contname = NULL; | |
1510 | pinfo = capi_get_prov_info(ctx, cert); | |
1511 | if (!pinfo) | |
1512 | goto err; | |
1513 | if (sizeof(TCHAR) != sizeof(char)) | |
1514 | key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName, | |
1515 | (TCHAR *)pinfo->pwszProvName, | |
1516 | pinfo->dwProvType, pinfo->dwKeySpec); | |
1517 | else { | |
1518 | provname = wide_to_asc(pinfo->pwszProvName); | |
1519 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1520 | if (!provname || !contname) | |
1521 | goto err; | |
1522 | key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname, | |
1523 | pinfo->dwProvType, pinfo->dwKeySpec); | |
1524 | } | |
1525 | ||
1526 | err: | |
1527 | if (pinfo) | |
1528 | OPENSSL_free(pinfo); | |
1529 | if (provname) | |
1530 | OPENSSL_free(provname); | |
1531 | if (contname) | |
1532 | OPENSSL_free(contname); | |
1533 | return key; | |
1534 | } | |
1535 | ||
1536 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id) | |
1537 | { | |
1538 | PCCERT_CONTEXT cert; | |
1539 | HCERTSTORE hstore; | |
1540 | CAPI_KEY *key = NULL; | |
1541 | switch (ctx->lookup_method) { | |
1542 | case CAPI_LU_SUBSTR: | |
1543 | case CAPI_LU_FNAME: | |
1544 | hstore = capi_open_store(ctx, NULL); | |
1545 | if (!hstore) | |
1546 | return NULL; | |
1547 | cert = capi_find_cert(ctx, id, hstore); | |
1548 | if (cert) { | |
1549 | key = capi_get_cert_key(ctx, cert); | |
1550 | CertFreeCertificateContext(cert); | |
1551 | } | |
1552 | CertCloseStore(hstore, 0); | |
1553 | break; | |
1554 | ||
1555 | case CAPI_LU_CONTNAME: | |
1556 | if (sizeof(TCHAR) != sizeof(char)) { | |
1557 | WCHAR *contname, *provname; | |
1558 | DWORD len; | |
1559 | ||
1560 | if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) && | |
1561 | (contname = alloca(len * sizeof(WCHAR)), | |
1562 | MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) && | |
1563 | (len = | |
1564 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0)) | |
1565 | && (provname = | |
1566 | alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP, | |
1567 | 0, | |
1568 | ctx->cspname, | |
1569 | -1, | |
1570 | provname, | |
1571 | len))) | |
1572 | key = | |
1573 | capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname, | |
1574 | ctx->csptype, ctx->keytype); | |
1575 | } else | |
1576 | key = capi_get_key(ctx, (TCHAR *)id, | |
1577 | (TCHAR *)ctx->cspname, | |
1578 | ctx->csptype, ctx->keytype); | |
1579 | break; | |
1580 | } | |
1581 | ||
1582 | return key; | |
1583 | } | |
1584 | ||
1585 | void capi_free_key(CAPI_KEY * key) | |
1586 | { | |
1587 | if (!key) | |
1588 | return; | |
1589 | CryptDestroyKey(key->key); | |
1590 | CryptReleaseContext(key->hprov, 0); | |
1591 | if (key->pcert) | |
1592 | CertFreeCertificateContext(key->pcert); | |
1593 | OPENSSL_free(key); | |
1594 | } | |
7a18ecb2 DSH |
1595 | |
1596 | /* Initialize a CAPI_CTX structure */ | |
1597 | ||
1598 | static CAPI_CTX *capi_ctx_new() | |
ae5c8664 MC |
1599 | { |
1600 | CAPI_CTX *ctx; | |
1601 | ctx = OPENSSL_malloc(sizeof(CAPI_CTX)); | |
1602 | if (!ctx) { | |
1603 | CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
1604 | return NULL; | |
1605 | } | |
1606 | ctx->cspname = NULL; | |
1607 | ctx->csptype = PROV_RSA_FULL; | |
1608 | ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME; | |
1609 | ctx->keytype = AT_KEYEXCHANGE; | |
1610 | ctx->storename = NULL; | |
1611 | ctx->ssl_client_store = NULL; | |
1612 | ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG | | |
1613 | CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER; | |
1614 | ctx->lookup_method = CAPI_LU_SUBSTR; | |
1615 | ctx->debug_level = 0; | |
1616 | ctx->debug_file = NULL; | |
1617 | ctx->client_cert_select = cert_select_simple; | |
1618 | return ctx; | |
1619 | } | |
1620 | ||
1621 | static void capi_ctx_free(CAPI_CTX * ctx) | |
1622 | { | |
1623 | CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx); | |
1624 | if (!ctx) | |
1625 | return; | |
1626 | if (ctx->cspname) | |
1627 | OPENSSL_free(ctx->cspname); | |
1628 | if (ctx->debug_file) | |
1629 | OPENSSL_free(ctx->debug_file); | |
1630 | if (ctx->storename) | |
1631 | OPENSSL_free(ctx->storename); | |
1632 | if (ctx->ssl_client_store) | |
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 | CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type); | |
1641 | if (check) { | |
1642 | HCRYPTPROV hprov; | |
1643 | LPTSTR name = NULL; | |
1644 | ||
1645 | if (sizeof(TCHAR) != sizeof(char)) { | |
1646 | DWORD len; | |
1647 | if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) { | |
1648 | name = alloca(len * sizeof(WCHAR)); | |
1649 | MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len); | |
1650 | } | |
1651 | } else | |
1652 | name = (TCHAR *)pname; | |
1653 | ||
1654 | if (!name || !CryptAcquireContext(&hprov, NULL, name, type, | |
1655 | CRYPT_VERIFYCONTEXT)) { | |
1656 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, | |
1657 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1658 | capi_addlasterror(); | |
1659 | return 0; | |
1660 | } | |
1661 | CryptReleaseContext(hprov, 0); | |
1662 | } | |
1663 | if (ctx->cspname) | |
1664 | OPENSSL_free(ctx->cspname); | |
1665 | ctx->cspname = BUF_strdup(pname); | |
1666 | ctx->csptype = type; | |
1667 | return 1; | |
1668 | } | |
1669 | ||
1670 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx) | |
1671 | { | |
1672 | LPSTR pname; | |
1673 | DWORD type; | |
1674 | int res; | |
1675 | if (capi_get_provname(ctx, &pname, &type, idx) != 1) | |
1676 | return 0; | |
1677 | res = capi_ctx_set_provname(ctx, pname, type, 0); | |
1678 | OPENSSL_free(pname); | |
1679 | return res; | |
1680 | } | |
7a18ecb2 | 1681 | |
b3c8dd4e | 1682 | static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x) |
ae5c8664 MC |
1683 | { |
1684 | int i; | |
1685 | X509_NAME *nm; | |
1686 | /* Special case: empty list: match anything */ | |
1687 | if (sk_X509_NAME_num(ca_dn) <= 0) | |
1688 | return 1; | |
1689 | for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) { | |
1690 | nm = sk_X509_NAME_value(ca_dn, i); | |
1691 | if (!X509_NAME_cmp(nm, X509_get_issuer_name(x))) | |
1692 | return 1; | |
1693 | } | |
1694 | return 0; | |
1695 | } | |
7d537d4f | 1696 | |
b3c8dd4e | 1697 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, |
ae5c8664 MC |
1698 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
1699 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
1700 | UI_METHOD *ui_method, | |
1701 | void *callback_data) | |
1702 | { | |
1703 | STACK_OF(X509) *certs = NULL; | |
1704 | X509 *x; | |
1705 | char *storename; | |
1706 | const char *p; | |
1707 | int i, client_cert_idx; | |
1708 | HCERTSTORE hstore; | |
1709 | PCCERT_CONTEXT cert = NULL, excert = NULL; | |
1710 | CAPI_CTX *ctx; | |
1711 | CAPI_KEY *key; | |
1712 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1713 | ||
1714 | *pcert = NULL; | |
1715 | *pkey = NULL; | |
1716 | ||
1717 | storename = ctx->ssl_client_store; | |
1718 | if (!storename) | |
1719 | storename = "MY"; | |
1720 | ||
1721 | hstore = capi_open_store(ctx, storename); | |
1722 | if (!hstore) | |
1723 | return 0; | |
1724 | /* Enumerate all certificates collect any matches */ | |
1725 | for (i = 0;; i++) { | |
1726 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1727 | if (!cert) | |
1728 | break; | |
1729 | p = cert->pbCertEncoded; | |
1730 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1731 | if (!x) { | |
1732 | CAPI_trace(ctx, "Can't Parse Certificate %d\n", i); | |
1733 | continue; | |
1734 | } | |
1735 | if (cert_issuer_match(ca_dn, x) | |
1736 | && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) { | |
1737 | key = capi_get_cert_key(ctx, cert); | |
1738 | if (!key) { | |
1739 | X509_free(x); | |
1740 | continue; | |
1741 | } | |
1742 | /* | |
1743 | * Match found: attach extra data to it so we can retrieve the | |
1744 | * key later. | |
1745 | */ | |
1746 | excert = CertDuplicateCertificateContext(cert); | |
1747 | key->pcert = excert; | |
1748 | X509_set_ex_data(x, cert_capi_idx, key); | |
1749 | ||
1750 | if (!certs) | |
1751 | certs = sk_X509_new_null(); | |
1752 | ||
1753 | sk_X509_push(certs, x); | |
1754 | } else | |
1755 | X509_free(x); | |
1756 | ||
1757 | } | |
1758 | ||
1759 | if (cert) | |
1760 | CertFreeCertificateContext(cert); | |
1761 | if (hstore) | |
1762 | CertCloseStore(hstore, 0); | |
1763 | ||
1764 | if (!certs) | |
1765 | return 0; | |
1766 | ||
1767 | /* Select the appropriate certificate */ | |
1768 | ||
1769 | client_cert_idx = ctx->client_cert_select(e, ssl, certs); | |
1770 | ||
1771 | /* Set the selected certificate and free the rest */ | |
1772 | ||
1773 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1774 | x = sk_X509_value(certs, i); | |
1775 | if (i == client_cert_idx) | |
1776 | *pcert = x; | |
1777 | else { | |
1778 | key = X509_get_ex_data(x, cert_capi_idx); | |
1779 | capi_free_key(key); | |
1780 | X509_free(x); | |
1781 | } | |
1782 | } | |
1783 | ||
1784 | sk_X509_free(certs); | |
1785 | ||
1786 | if (!*pcert) | |
1787 | return 0; | |
1788 | ||
1789 | /* Setup key for selected certificate */ | |
1790 | ||
1791 | key = X509_get_ex_data(*pcert, cert_capi_idx); | |
1792 | *pkey = capi_get_pkey(e, key); | |
1793 | X509_set_ex_data(*pcert, cert_capi_idx, NULL); | |
1794 | ||
1795 | return 1; | |
1796 | ||
1797 | } | |
e0f7b872 DSH |
1798 | |
1799 | /* Simple client cert selection function: always select first */ | |
1800 | ||
1cd504e7 | 1801 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
ae5c8664 MC |
1802 | { |
1803 | return 0; | |
1804 | } | |
e0f7b872 | 1805 | |
ae5c8664 | 1806 | # ifdef OPENSSL_CAPIENG_DIALOG |
e0f7b872 | 1807 | |
ae5c8664 MC |
1808 | /* |
1809 | * More complex cert selection function, using standard function | |
e0f7b872 DSH |
1810 | * CryptUIDlgSelectCertificateFromStore() to produce a dialog box. |
1811 | */ | |
1812 | ||
ae5c8664 MC |
1813 | /* |
1814 | * Definitions which are in cryptuiapi.h but this is not present in older | |
a0f3679b DSH |
1815 | * versions of headers. |
1816 | */ | |
1817 | ||
ae5c8664 MC |
1818 | # ifndef CRYPTUI_SELECT_LOCATION_COLUMN |
1819 | # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010 | |
1820 | # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004 | |
1821 | # endif | |
e0f7b872 | 1822 | |
ae5c8664 MC |
1823 | # define dlg_title L"OpenSSL Application SSL Client Certificate Selection" |
1824 | # define dlg_prompt L"Select a certificate to use for authentication" | |
1825 | # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \ | |
1826 | |CRYPTUI_SELECT_INTENDEDUSE_COLUMN | |
1381bf90 | 1827 | |
1cd504e7 | 1828 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
ae5c8664 MC |
1829 | { |
1830 | X509 *x; | |
1831 | HCERTSTORE dstore; | |
1832 | PCCERT_CONTEXT cert; | |
1833 | CAPI_CTX *ctx; | |
1834 | CAPI_KEY *key; | |
1835 | HWND hwnd; | |
1836 | int i, idx = -1; | |
1837 | if (sk_X509_num(certs) == 1) | |
1838 | return 0; | |
1839 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1840 | /* Create an in memory store of certificates */ | |
1841 | dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, | |
1842 | CERT_STORE_CREATE_NEW_FLAG, NULL); | |
1843 | if (!dstore) { | |
1844 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE); | |
1845 | capi_addlasterror(); | |
1846 | goto err; | |
1847 | } | |
1848 | /* Add all certificates to store */ | |
1849 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1850 | x = sk_X509_value(certs, i); | |
1851 | key = X509_get_ex_data(x, cert_capi_idx); | |
1852 | ||
1853 | if (!CertAddCertificateContextToStore(dstore, key->pcert, | |
1854 | CERT_STORE_ADD_NEW, NULL)) { | |
1855 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT); | |
1856 | capi_addlasterror(); | |
1857 | goto err; | |
1858 | } | |
1859 | ||
1860 | } | |
1861 | hwnd = GetForegroundWindow(); | |
1862 | if (!hwnd) | |
1863 | hwnd = GetActiveWindow(); | |
1864 | if (!hwnd && ctx->getconswindow) | |
1865 | hwnd = ctx->getconswindow(); | |
1866 | /* Call dialog to select one */ | |
1867 | cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt, | |
1868 | dlg_columns, 0, NULL); | |
1869 | ||
1870 | /* Find matching cert from list */ | |
1871 | if (cert) { | |
1872 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1873 | x = sk_X509_value(certs, i); | |
1874 | key = X509_get_ex_data(x, cert_capi_idx); | |
1875 | if (CertCompareCertificate | |
1876 | (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo, | |
1877 | key->pcert->pCertInfo)) { | |
1878 | idx = i; | |
1879 | break; | |
1880 | } | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | err: | |
1885 | if (dstore) | |
1886 | CertCloseStore(dstore, 0); | |
1887 | return idx; | |
1888 | ||
1889 | } | |
1890 | # endif | |
1891 | ||
1892 | #else /* !__COMPILE_CAPIENG */ | |
1893 | # include <openssl/engine.h> | |
1894 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
492279f6 | 1895 | OPENSSL_EXPORT |
ae5c8664 | 1896 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); |
b5b72434 | 1897 | OPENSSL_EXPORT |
ae5c8664 MC |
1898 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) |
1899 | { | |
1900 | return 0; | |
1901 | } | |
1902 | ||
492279f6 | 1903 | IMPLEMENT_DYNAMIC_CHECK_FN() |
ae5c8664 MC |
1904 | # else |
1905 | void ENGINE_load_capi(void) | |
1906 | { | |
1907 | } | |
1908 | # endif | |
7a18ecb2 | 1909 | #endif |