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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 | /* ==================================================================== | |
7 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | |
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 | |
ae5c8664 MC |
117 | # include <openssl/engine.h> |
118 | # include <openssl/pem.h> | |
119 | # include <openssl/x509v3.h> | |
7a18ecb2 | 120 | |
ae5c8664 MC |
121 | # include "e_capi_err.h" |
122 | # include "e_capi_err.c" | |
7a18ecb2 DSH |
123 | |
124 | static const char *engine_capi_id = "capi"; | |
125 | static const char *engine_capi_name = "CryptoAPI ENGINE"; | |
126 | ||
127 | typedef struct CAPI_CTX_st CAPI_CTX; | |
128 | typedef struct CAPI_KEY_st CAPI_KEY; | |
129 | ||
130 | static void capi_addlasterror(void); | |
131 | static void capi_adderror(DWORD err); | |
132 | ||
ae5c8664 | 133 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...); |
7a18ecb2 | 134 | |
ae5c8664 MC |
135 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out); |
136 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out); | |
137 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename); | |
138 | void capi_free_key(CAPI_KEY * key); | |
7a18ecb2 | 139 | |
ae5c8664 MC |
140 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, |
141 | HCERTSTORE hstore); | |
7a18ecb2 | 142 | |
ae5c8664 | 143 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id); |
7a18ecb2 DSH |
144 | |
145 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, | |
ae5c8664 MC |
146 | UI_METHOD *ui_method, void *callback_data); |
147 | static int capi_rsa_sign(int dtype, const unsigned char *m, | |
148 | unsigned int m_len, unsigned char *sigret, | |
149 | unsigned int *siglen, const RSA *rsa); | |
7a18ecb2 | 150 | static int capi_rsa_priv_enc(int flen, const unsigned char *from, |
ae5c8664 | 151 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 | 152 | static int capi_rsa_priv_dec(int flen, const unsigned char *from, |
ae5c8664 | 153 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 DSH |
154 | static int capi_rsa_free(RSA *rsa); |
155 | ||
156 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
ae5c8664 | 157 | DSA *dsa); |
7a18ecb2 | 158 | static int capi_dsa_free(DSA *dsa); |
b3c8dd4e DSH |
159 | |
160 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, | |
ae5c8664 MC |
161 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
162 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
163 | UI_METHOD *ui_method, | |
164 | void *callback_data); | |
1cd504e7 DSH |
165 | |
166 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
ae5c8664 | 167 | # ifdef OPENSSL_CAPIENG_DIALOG |
1cd504e7 | 168 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); |
ae5c8664 | 169 | # endif |
1cd504e7 | 170 | |
ae5c8664 MC |
171 | typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR, |
172 | LPCWSTR, DWORD, DWORD, void *); | |
173 | typedef HWND(WINAPI *GETCONSWIN) (void); | |
1cd504e7 | 174 | |
ae5c8664 MC |
175 | /* |
176 | * This structure contains CAPI ENGINE specific data: it contains various | |
177 | * global options and affects how other functions behave. | |
7a18ecb2 DSH |
178 | */ |
179 | ||
ae5c8664 MC |
180 | # define CAPI_DBG_TRACE 2 |
181 | # define CAPI_DBG_ERROR 1 | |
7a18ecb2 DSH |
182 | |
183 | struct CAPI_CTX_st { | |
ae5c8664 MC |
184 | int debug_level; |
185 | char *debug_file; | |
186 | /* Parameters to use for container lookup */ | |
187 | DWORD keytype; | |
188 | LPSTR cspname; | |
189 | DWORD csptype; | |
190 | /* Certificate store name to use */ | |
191 | LPSTR storename; | |
192 | LPSTR ssl_client_store; | |
193 | /* System store flags */ | |
194 | DWORD store_flags; | |
7a18ecb2 DSH |
195 | /* Lookup string meanings in load_private_key */ |
196 | /* Substring of subject: uses "storename" */ | |
ae5c8664 | 197 | # define CAPI_LU_SUBSTR 1 |
7a18ecb2 | 198 | /* Friendly name: uses storename */ |
ae5c8664 | 199 | # define CAPI_LU_FNAME 2 |
7a18ecb2 | 200 | /* Container name: uses cspname, keytype */ |
ae5c8664 MC |
201 | # define CAPI_LU_CONTNAME 3 |
202 | int lookup_method; | |
7a18ecb2 DSH |
203 | /* Info to dump with dumpcerts option */ |
204 | /* Issuer and serial name strings */ | |
ae5c8664 | 205 | # define CAPI_DMP_SUMMARY 0x1 |
7a18ecb2 | 206 | /* Friendly name */ |
ae5c8664 | 207 | # define CAPI_DMP_FNAME 0x2 |
7a18ecb2 | 208 | /* Full X509_print dump */ |
ae5c8664 | 209 | # define CAPI_DMP_FULL 0x4 |
7a18ecb2 | 210 | /* Dump PEM format certificate */ |
ae5c8664 | 211 | # define CAPI_DMP_PEM 0x8 |
7a18ecb2 | 212 | /* Dump pseudo key (if possible) */ |
ae5c8664 | 213 | # define CAPI_DMP_PSKEY 0x10 |
7a18ecb2 | 214 | /* Dump key info (if possible) */ |
ae5c8664 MC |
215 | # define CAPI_DMP_PKEYINFO 0x20 |
216 | DWORD dump_flags; | |
217 | int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
218 | CERTDLG certselectdlg; | |
219 | GETCONSWIN getconswindow; | |
7a18ecb2 DSH |
220 | }; |
221 | ||
7a18ecb2 | 222 | static CAPI_CTX *capi_ctx_new(); |
ae5c8664 MC |
223 | static void capi_ctx_free(CAPI_CTX * ctx); |
224 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type, | |
225 | int check); | |
226 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx); | |
227 | ||
228 | # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE | |
229 | # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1) | |
230 | # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2) | |
231 | # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) | |
232 | # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) | |
233 | # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) | |
234 | # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6) | |
235 | # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7) | |
236 | # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8) | |
237 | # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9) | |
238 | # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10) | |
239 | # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11) | |
240 | # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12) | |
241 | # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13) | |
7a18ecb2 DSH |
242 | |
243 | static const ENGINE_CMD_DEFN capi_cmd_defns[] = { | |
ae5c8664 MC |
244 | {CAPI_CMD_LIST_CERTS, |
245 | "list_certs", | |
246 | "List all certificates in store", | |
247 | ENGINE_CMD_FLAG_NO_INPUT}, | |
248 | {CAPI_CMD_LOOKUP_CERT, | |
249 | "lookup_cert", | |
250 | "Lookup and output certificates", | |
251 | ENGINE_CMD_FLAG_STRING}, | |
252 | {CAPI_CMD_DEBUG_LEVEL, | |
253 | "debug_level", | |
254 | "debug level (1=errors, 2=trace)", | |
255 | ENGINE_CMD_FLAG_NUMERIC}, | |
256 | {CAPI_CMD_DEBUG_FILE, | |
257 | "debug_file", | |
258 | "debugging filename)", | |
259 | ENGINE_CMD_FLAG_STRING}, | |
260 | {CAPI_CMD_KEYTYPE, | |
261 | "key_type", | |
262 | "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE", | |
263 | ENGINE_CMD_FLAG_NUMERIC}, | |
264 | {CAPI_CMD_LIST_CSPS, | |
265 | "list_csps", | |
266 | "List all CSPs", | |
267 | ENGINE_CMD_FLAG_NO_INPUT}, | |
268 | {CAPI_CMD_SET_CSP_IDX, | |
269 | "csp_idx", | |
270 | "Set CSP by index", | |
271 | ENGINE_CMD_FLAG_NUMERIC}, | |
272 | {CAPI_CMD_SET_CSP_NAME, | |
273 | "csp_name", | |
274 | "Set CSP name, (default CSP used if not specified)", | |
275 | ENGINE_CMD_FLAG_STRING}, | |
276 | {CAPI_CMD_SET_CSP_TYPE, | |
277 | "csp_type", | |
278 | "Set CSP type, (default RSA_PROV_FULL)", | |
279 | ENGINE_CMD_FLAG_NUMERIC}, | |
280 | {CAPI_CMD_LIST_CONTAINERS, | |
281 | "list_containers", | |
282 | "list container names", | |
283 | ENGINE_CMD_FLAG_NO_INPUT}, | |
284 | {CAPI_CMD_LIST_OPTIONS, | |
285 | "list_options", | |
286 | "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, " | |
287 | "32=private key info)", | |
288 | ENGINE_CMD_FLAG_NUMERIC}, | |
289 | {CAPI_CMD_LOOKUP_METHOD, | |
290 | "lookup_method", | |
291 | "Set key lookup method (1=substring, 2=friendlyname, 3=container name)", | |
292 | ENGINE_CMD_FLAG_NUMERIC}, | |
293 | {CAPI_CMD_STORE_NAME, | |
294 | "store_name", | |
295 | "certificate store name, default \"MY\"", | |
296 | ENGINE_CMD_FLAG_STRING}, | |
297 | {CAPI_CMD_STORE_FLAGS, | |
298 | "store_flags", | |
299 | "Certificate store flags: 1 = system store", | |
300 | ENGINE_CMD_FLAG_NUMERIC}, | |
301 | ||
302 | {0, NULL, NULL, 0} | |
303 | }; | |
7a18ecb2 DSH |
304 | |
305 | static int capi_idx = -1; | |
306 | static int rsa_capi_idx = -1; | |
307 | static int dsa_capi_idx = -1; | |
7d537d4f | 308 | static int cert_capi_idx = -1; |
7a18ecb2 | 309 | |
ae5c8664 MC |
310 | static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void)) |
311 | { | |
312 | int ret = 1; | |
313 | CAPI_CTX *ctx; | |
314 | BIO *out; | |
315 | if (capi_idx == -1) { | |
316 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED); | |
317 | return 0; | |
318 | } | |
319 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
320 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
321 | switch (cmd) { | |
322 | case CAPI_CMD_LIST_CSPS: | |
323 | ret = capi_list_providers(ctx, out); | |
324 | break; | |
325 | ||
326 | case CAPI_CMD_LIST_CERTS: | |
327 | ret = capi_list_certs(ctx, out, NULL); | |
328 | break; | |
329 | ||
330 | case CAPI_CMD_LOOKUP_CERT: | |
331 | ret = capi_list_certs(ctx, out, p); | |
332 | break; | |
333 | ||
334 | case CAPI_CMD_LIST_CONTAINERS: | |
335 | ret = capi_list_containers(ctx, out); | |
336 | break; | |
337 | ||
338 | case CAPI_CMD_STORE_NAME: | |
339 | if (ctx->storename) | |
340 | OPENSSL_free(ctx->storename); | |
341 | ctx->storename = BUF_strdup(p); | |
342 | CAPI_trace(ctx, "Setting store name to %s\n", p); | |
343 | break; | |
344 | ||
345 | case CAPI_CMD_STORE_FLAGS: | |
346 | if (i & 1) { | |
347 | ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
348 | ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER; | |
349 | } else { | |
350 | ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER; | |
351 | ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
352 | } | |
353 | CAPI_trace(ctx, "Setting flags to %d\n", i); | |
354 | break; | |
355 | ||
356 | case CAPI_CMD_DEBUG_LEVEL: | |
357 | ctx->debug_level = (int)i; | |
358 | CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level); | |
359 | break; | |
360 | ||
361 | case CAPI_CMD_DEBUG_FILE: | |
362 | ctx->debug_file = BUF_strdup(p); | |
363 | CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file); | |
364 | break; | |
365 | ||
366 | case CAPI_CMD_KEYTYPE: | |
367 | ctx->keytype = i; | |
368 | CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype); | |
369 | break; | |
370 | ||
371 | case CAPI_CMD_SET_CSP_IDX: | |
372 | ret = capi_ctx_set_provname_idx(ctx, i); | |
373 | break; | |
374 | ||
375 | case CAPI_CMD_LIST_OPTIONS: | |
376 | ctx->dump_flags = i; | |
377 | break; | |
378 | ||
379 | case CAPI_CMD_LOOKUP_METHOD: | |
380 | if (i < 1 || i > 3) { | |
381 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD); | |
382 | return 0; | |
383 | } | |
384 | ctx->lookup_method = i; | |
385 | break; | |
386 | ||
387 | case CAPI_CMD_SET_CSP_NAME: | |
388 | ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1); | |
389 | break; | |
390 | ||
391 | case CAPI_CMD_SET_CSP_TYPE: | |
392 | ctx->csptype = i; | |
393 | break; | |
394 | ||
395 | default: | |
396 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND); | |
397 | ret = 0; | |
398 | } | |
399 | ||
400 | BIO_free(out); | |
401 | return ret; | |
402 | ||
403 | } | |
404 | ||
405 | static RSA_METHOD capi_rsa_method = { | |
406 | "CryptoAPI RSA method", | |
407 | 0, /* pub_enc */ | |
408 | 0, /* pub_dec */ | |
409 | capi_rsa_priv_enc, /* priv_enc */ | |
410 | capi_rsa_priv_dec, /* priv_dec */ | |
411 | 0, /* rsa_mod_exp */ | |
412 | 0, /* bn_mod_exp */ | |
413 | 0, /* init */ | |
414 | capi_rsa_free, /* finish */ | |
415 | RSA_FLAG_SIGN_VER, /* flags */ | |
416 | NULL, /* app_data */ | |
417 | capi_rsa_sign, /* rsa_sign */ | |
418 | 0 /* rsa_verify */ | |
419 | }; | |
7a18ecb2 | 420 | |
ae5c8664 MC |
421 | static DSA_METHOD capi_dsa_method = { |
422 | "CryptoAPI DSA method", | |
423 | capi_dsa_do_sign, /* dsa_do_sign */ | |
424 | 0, /* dsa_sign_setup */ | |
425 | 0, /* dsa_do_verify */ | |
426 | 0, /* dsa_mod_exp */ | |
427 | 0, /* bn_mod_exp */ | |
428 | 0, /* init */ | |
429 | capi_dsa_free, /* finish */ | |
430 | 0, /* flags */ | |
431 | NULL, /* app_data */ | |
432 | 0, /* dsa_paramgen */ | |
433 | 0 /* dsa_keygen */ | |
434 | }; | |
7a18ecb2 | 435 | |
ae5c8664 MC |
436 | static int capi_init(ENGINE *e) |
437 | { | |
438 | CAPI_CTX *ctx; | |
439 | const RSA_METHOD *ossl_rsa_meth; | |
440 | const DSA_METHOD *ossl_dsa_meth; | |
441 | ||
442 | if (capi_idx < 0) { | |
443 | capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
444 | if (capi_idx < 0) | |
445 | goto memerr; | |
446 | ||
447 | cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
448 | ||
449 | /* Setup RSA_METHOD */ | |
450 | rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
451 | ossl_rsa_meth = RSA_PKCS1_SSLeay(); | |
452 | capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc; | |
453 | capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec; | |
454 | capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp; | |
455 | capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp; | |
456 | ||
457 | /* Setup DSA Method */ | |
458 | dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
459 | ossl_dsa_meth = DSA_OpenSSL(); | |
460 | capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify; | |
461 | capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp; | |
462 | capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp; | |
463 | } | |
464 | ||
465 | ctx = capi_ctx_new(); | |
466 | if (!ctx) | |
467 | goto memerr; | |
468 | ||
469 | ENGINE_set_ex_data(e, capi_idx, ctx); | |
470 | ||
471 | # ifdef OPENSSL_CAPIENG_DIALOG | |
472 | { | |
473 | HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL")); | |
474 | HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL")); | |
475 | if (cryptui) | |
476 | ctx->certselectdlg = | |
477 | (CERTDLG) GetProcAddress(cryptui, | |
478 | "CryptUIDlgSelectCertificateFromStore"); | |
479 | if (kernel) | |
480 | ctx->getconswindow = | |
481 | (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow"); | |
482 | if (cryptui && !OPENSSL_isservice()) | |
483 | ctx->client_cert_select = cert_select_dialog; | |
484 | } | |
485 | # endif | |
486 | ||
487 | return 1; | |
488 | ||
489 | memerr: | |
490 | CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE); | |
491 | return 0; | |
492 | ||
493 | return 1; | |
494 | } | |
7a18ecb2 DSH |
495 | |
496 | static int capi_destroy(ENGINE *e) | |
ae5c8664 MC |
497 | { |
498 | ERR_unload_CAPI_strings(); | |
499 | return 1; | |
500 | } | |
7a18ecb2 DSH |
501 | |
502 | static int capi_finish(ENGINE *e) | |
ae5c8664 MC |
503 | { |
504 | CAPI_CTX *ctx; | |
505 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
506 | capi_ctx_free(ctx); | |
507 | ENGINE_set_ex_data(e, capi_idx, NULL); | |
508 | return 1; | |
509 | } | |
510 | ||
511 | /* | |
512 | * CryptoAPI key application data. This contains a handle to the private key | |
513 | * container (for sign operations) and a handle to the key (for decrypt | |
514 | * operations). | |
7a18ecb2 DSH |
515 | */ |
516 | ||
ae5c8664 MC |
517 | struct CAPI_KEY_st { |
518 | /* Associated certificate context (if any) */ | |
519 | PCCERT_CONTEXT pcert; | |
520 | HCRYPTPROV hprov; | |
521 | HCRYPTKEY key; | |
522 | DWORD keyspec; | |
523 | }; | |
7a18ecb2 DSH |
524 | |
525 | static int bind_capi(ENGINE *e) | |
ae5c8664 MC |
526 | { |
527 | if (!ENGINE_set_id(e, engine_capi_id) | |
528 | || !ENGINE_set_name(e, engine_capi_name) | |
529 | || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) | |
530 | || !ENGINE_set_init_function(e, capi_init) | |
531 | || !ENGINE_set_finish_function(e, capi_finish) | |
532 | || !ENGINE_set_destroy_function(e, capi_destroy) | |
533 | || !ENGINE_set_RSA(e, &capi_rsa_method) | |
534 | || !ENGINE_set_DSA(e, &capi_dsa_method) | |
535 | || !ENGINE_set_load_privkey_function(e, capi_load_privkey) | |
536 | || !ENGINE_set_load_ssl_client_cert_function(e, | |
537 | capi_load_ssl_client_cert) | |
538 | || !ENGINE_set_cmd_defns(e, capi_cmd_defns) | |
539 | || !ENGINE_set_ctrl_function(e, capi_ctrl)) | |
540 | return 0; | |
541 | ERR_load_CAPI_strings(); | |
542 | ||
543 | return 1; | |
544 | ||
545 | } | |
546 | ||
547 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
7a18ecb2 | 548 | static int bind_helper(ENGINE *e, const char *id) |
ae5c8664 MC |
549 | { |
550 | if (id && (strcmp(id, engine_capi_id) != 0)) | |
551 | return 0; | |
552 | if (!bind_capi(e)) | |
553 | return 0; | |
554 | return 1; | |
555 | } | |
556 | ||
7a18ecb2 | 557 | IMPLEMENT_DYNAMIC_CHECK_FN() |
ae5c8664 MC |
558 | IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) |
559 | # else | |
7a18ecb2 | 560 | static ENGINE *engine_capi(void) |
ae5c8664 MC |
561 | { |
562 | ENGINE *ret = ENGINE_new(); | |
563 | if (!ret) | |
564 | return NULL; | |
565 | if (!bind_capi(ret)) { | |
566 | ENGINE_free(ret); | |
567 | return NULL; | |
568 | } | |
569 | return ret; | |
570 | } | |
7a18ecb2 DSH |
571 | |
572 | void ENGINE_load_capi(void) | |
ae5c8664 MC |
573 | { |
574 | /* Copied from eng_[openssl|dyn].c */ | |
575 | ENGINE *toadd = engine_capi(); | |
576 | if (!toadd) | |
577 | return; | |
578 | ENGINE_add(toadd); | |
579 | ENGINE_free(toadd); | |
580 | ERR_clear_error(); | |
581 | } | |
582 | # endif | |
7a18ecb2 DSH |
583 | |
584 | static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen) | |
ae5c8664 MC |
585 | { |
586 | int i; | |
587 | /* | |
588 | * Reverse buffer in place: since this is a keyblob structure that will | |
589 | * be freed up after conversion anyway it doesn't matter if we change | |
590 | * it. | |
591 | */ | |
592 | for (i = 0; i < binlen / 2; i++) { | |
593 | unsigned char c; | |
594 | c = bin[i]; | |
595 | bin[i] = bin[binlen - i - 1]; | |
596 | bin[binlen - i - 1] = c; | |
597 | } | |
598 | ||
599 | if (!BN_bin2bn(bin, binlen, bn)) | |
600 | return 0; | |
601 | return 1; | |
602 | } | |
7a18ecb2 | 603 | |
b3c8dd4e DSH |
604 | /* Given a CAPI_KEY get an EVP_PKEY structure */ |
605 | ||
ae5c8664 MC |
606 | static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key) |
607 | { | |
608 | unsigned char *pubkey = NULL; | |
609 | DWORD len; | |
610 | BLOBHEADER *bh; | |
611 | RSA *rkey = NULL; | |
612 | DSA *dkey = NULL; | |
613 | EVP_PKEY *ret = NULL; | |
614 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) { | |
615 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); | |
616 | capi_addlasterror(); | |
617 | return NULL; | |
618 | } | |
619 | ||
620 | pubkey = OPENSSL_malloc(len); | |
621 | ||
622 | if (!pubkey) | |
623 | goto memerr; | |
624 | ||
625 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) { | |
626 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR); | |
627 | capi_addlasterror(); | |
628 | goto err; | |
629 | } | |
630 | ||
631 | bh = (BLOBHEADER *) pubkey; | |
632 | if (bh->bType != PUBLICKEYBLOB) { | |
633 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); | |
634 | goto err; | |
635 | } | |
636 | if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) { | |
637 | RSAPUBKEY *rp; | |
638 | DWORD rsa_modlen; | |
639 | unsigned char *rsa_modulus; | |
640 | rp = (RSAPUBKEY *) (bh + 1); | |
641 | if (rp->magic != 0x31415352) { | |
642 | char magstr[10]; | |
643 | BIO_snprintf(magstr, 10, "%lx", rp->magic); | |
644 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
645 | CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
646 | ERR_add_error_data(2, "magic=0x", magstr); | |
647 | goto err; | |
648 | } | |
649 | rsa_modulus = (unsigned char *)(rp + 1); | |
650 | rkey = RSA_new_method(eng); | |
651 | if (!rkey) | |
652 | goto memerr; | |
653 | ||
654 | rkey->e = BN_new(); | |
655 | rkey->n = BN_new(); | |
656 | ||
657 | if (!rkey->e || !rkey->n) | |
658 | goto memerr; | |
659 | ||
660 | if (!BN_set_word(rkey->e, rp->pubexp)) | |
661 | goto memerr; | |
662 | ||
663 | rsa_modlen = rp->bitlen / 8; | |
664 | if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen)) | |
665 | goto memerr; | |
666 | ||
667 | RSA_set_ex_data(rkey, rsa_capi_idx, key); | |
668 | ||
669 | if (!(ret = EVP_PKEY_new())) | |
670 | goto memerr; | |
671 | ||
672 | EVP_PKEY_assign_RSA(ret, rkey); | |
673 | rkey = NULL; | |
674 | ||
675 | } else if (bh->aiKeyAlg == CALG_DSS_SIGN) { | |
676 | DSSPUBKEY *dp; | |
677 | DWORD dsa_plen; | |
678 | unsigned char *btmp; | |
679 | dp = (DSSPUBKEY *) (bh + 1); | |
680 | if (dp->magic != 0x31535344) { | |
681 | char magstr[10]; | |
682 | BIO_snprintf(magstr, 10, "%lx", dp->magic); | |
683 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
684 | CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
685 | ERR_add_error_data(2, "magic=0x", magstr); | |
686 | goto err; | |
687 | } | |
688 | dsa_plen = dp->bitlen / 8; | |
689 | btmp = (unsigned char *)(dp + 1); | |
690 | dkey = DSA_new_method(eng); | |
691 | if (!dkey) | |
692 | goto memerr; | |
693 | dkey->p = BN_new(); | |
694 | dkey->q = BN_new(); | |
695 | dkey->g = BN_new(); | |
696 | dkey->pub_key = BN_new(); | |
697 | if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key) | |
698 | goto memerr; | |
699 | if (!lend_tobn(dkey->p, btmp, dsa_plen)) | |
700 | goto memerr; | |
701 | btmp += dsa_plen; | |
702 | if (!lend_tobn(dkey->q, btmp, 20)) | |
703 | goto memerr; | |
704 | btmp += 20; | |
705 | if (!lend_tobn(dkey->g, btmp, dsa_plen)) | |
706 | goto memerr; | |
707 | btmp += dsa_plen; | |
708 | if (!lend_tobn(dkey->pub_key, btmp, dsa_plen)) | |
709 | goto memerr; | |
710 | btmp += dsa_plen; | |
711 | ||
712 | DSA_set_ex_data(dkey, dsa_capi_idx, key); | |
713 | ||
714 | if (!(ret = EVP_PKEY_new())) | |
715 | goto memerr; | |
716 | ||
717 | EVP_PKEY_assign_DSA(ret, dkey); | |
718 | dkey = NULL; | |
719 | } else { | |
720 | char algstr[10]; | |
721 | BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg); | |
722 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
723 | CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); | |
724 | ERR_add_error_data(2, "aiKeyAlg=0x", algstr); | |
725 | goto err; | |
726 | } | |
727 | ||
728 | err: | |
729 | if (pubkey) | |
730 | OPENSSL_free(pubkey); | |
731 | if (!ret) { | |
732 | if (rkey) | |
733 | RSA_free(rkey); | |
734 | if (dkey) | |
735 | DSA_free(dkey); | |
736 | } | |
737 | ||
738 | return ret; | |
739 | ||
740 | memerr: | |
741 | CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE); | |
742 | goto err; | |
743 | ||
744 | } | |
7a18ecb2 | 745 | |
b3c8dd4e | 746 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, |
ae5c8664 MC |
747 | UI_METHOD *ui_method, void *callback_data) |
748 | { | |
749 | CAPI_CTX *ctx; | |
750 | CAPI_KEY *key; | |
751 | EVP_PKEY *ret; | |
752 | ctx = ENGINE_get_ex_data(eng, capi_idx); | |
b3c8dd4e | 753 | |
ae5c8664 MC |
754 | if (!ctx) { |
755 | CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); | |
756 | return NULL; | |
757 | } | |
b3c8dd4e | 758 | |
ae5c8664 | 759 | key = capi_find_key(ctx, key_id); |
b3c8dd4e | 760 | |
ae5c8664 MC |
761 | if (!key) |
762 | return NULL; | |
b3c8dd4e | 763 | |
ae5c8664 | 764 | ret = capi_get_pkey(eng, key); |
b3c8dd4e | 765 | |
ae5c8664 MC |
766 | if (!ret) |
767 | capi_free_key(key); | |
768 | return ret; | |
b3c8dd4e | 769 | |
ae5c8664 | 770 | } |
b3c8dd4e | 771 | |
7a18ecb2 DSH |
772 | /* CryptoAPI RSA operations */ |
773 | ||
774 | int capi_rsa_priv_enc(int flen, const unsigned char *from, | |
ae5c8664 MC |
775 | unsigned char *to, RSA *rsa, int padding) |
776 | { | |
777 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED); | |
778 | return -1; | |
779 | } | |
7a18ecb2 DSH |
780 | |
781 | int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, | |
ae5c8664 MC |
782 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa) |
783 | { | |
784 | ALG_ID alg; | |
785 | HCRYPTHASH hash; | |
786 | DWORD slen; | |
787 | unsigned int i; | |
788 | int ret = -1; | |
789 | CAPI_KEY *capi_key; | |
790 | CAPI_CTX *ctx; | |
791 | ||
792 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
793 | ||
794 | CAPI_trace(ctx, "Called CAPI_rsa_sign()\n"); | |
795 | ||
796 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
797 | if (!capi_key) { | |
798 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY); | |
799 | return -1; | |
800 | } | |
7a18ecb2 | 801 | /* Convert the signature type to a CryptoAPI algorithm ID */ |
ae5c8664 MC |
802 | switch (dtype) { |
803 | case NID_sha1: | |
804 | alg = CALG_SHA1; | |
805 | break; | |
806 | ||
807 | case NID_md5: | |
808 | alg = CALG_MD5; | |
809 | break; | |
810 | ||
811 | case NID_md5_sha1: | |
812 | alg = CALG_SSL3_SHAMD5; | |
813 | break; | |
814 | default: | |
815 | { | |
816 | char algstr[10]; | |
817 | BIO_snprintf(algstr, 10, "%lx", dtype); | |
818 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID); | |
819 | ERR_add_error_data(2, "NID=0x", algstr); | |
820 | return -1; | |
821 | } | |
822 | } | |
7a18ecb2 DSH |
823 | |
824 | /* Create the hash object */ | |
ae5c8664 MC |
825 | if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) { |
826 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
827 | capi_addlasterror(); | |
828 | return -1; | |
829 | } | |
7a18ecb2 DSH |
830 | /* Set the hash value to the value passed */ |
831 | ||
ae5c8664 MC |
832 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) { |
833 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
834 | capi_addlasterror(); | |
835 | goto err; | |
836 | } | |
7a18ecb2 DSH |
837 | |
838 | /* Finally sign it */ | |
ae5c8664 MC |
839 | slen = RSA_size(rsa); |
840 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) { | |
841 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
842 | capi_addlasterror(); | |
843 | goto err; | |
844 | } else { | |
845 | ret = 1; | |
846 | /* Inplace byte reversal of signature */ | |
847 | for (i = 0; i < slen / 2; i++) { | |
848 | unsigned char c; | |
849 | c = sigret[i]; | |
850 | sigret[i] = sigret[slen - i - 1]; | |
851 | sigret[slen - i - 1] = c; | |
852 | } | |
853 | *siglen = slen; | |
854 | } | |
855 | ||
856 | /* Now cleanup */ | |
857 | ||
858 | err: | |
859 | CryptDestroyHash(hash); | |
860 | ||
861 | return ret; | |
862 | } | |
7a18ecb2 DSH |
863 | |
864 | int capi_rsa_priv_dec(int flen, const unsigned char *from, | |
ae5c8664 MC |
865 | unsigned char *to, RSA *rsa, int padding) |
866 | { | |
867 | int i; | |
868 | unsigned char *tmpbuf; | |
869 | CAPI_KEY *capi_key; | |
870 | CAPI_CTX *ctx; | |
871 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
872 | ||
873 | CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n"); | |
874 | ||
875 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
876 | if (!capi_key) { | |
877 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY); | |
878 | return -1; | |
879 | } | |
880 | ||
881 | if (padding != RSA_PKCS1_PADDING) { | |
882 | char errstr[10]; | |
883 | BIO_snprintf(errstr, 10, "%d", padding); | |
884 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING); | |
885 | ERR_add_error_data(2, "padding=", errstr); | |
886 | return -1; | |
887 | } | |
888 | ||
889 | /* Create temp reverse order version of input */ | |
890 | if (!(tmpbuf = OPENSSL_malloc(flen))) { | |
891 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE); | |
892 | return -1; | |
893 | } | |
894 | for (i = 0; i < flen; i++) | |
895 | tmpbuf[flen - i - 1] = from[i]; | |
896 | ||
897 | /* Finally decrypt it */ | |
898 | if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) { | |
899 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR); | |
900 | capi_addlasterror(); | |
901 | OPENSSL_free(tmpbuf); | |
902 | return -1; | |
903 | } else | |
904 | memcpy(to, tmpbuf, flen); | |
905 | ||
906 | OPENSSL_free(tmpbuf); | |
907 | ||
908 | return flen; | |
909 | } | |
7a18ecb2 DSH |
910 | |
911 | static int capi_rsa_free(RSA *rsa) | |
ae5c8664 MC |
912 | { |
913 | CAPI_KEY *capi_key; | |
914 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
915 | capi_free_key(capi_key); | |
916 | RSA_set_ex_data(rsa, rsa_capi_idx, 0); | |
917 | return 1; | |
918 | } | |
7a18ecb2 DSH |
919 | |
920 | /* CryptoAPI DSA operations */ | |
921 | ||
922 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
ae5c8664 MC |
923 | DSA *dsa) |
924 | { | |
925 | HCRYPTHASH hash; | |
926 | DWORD slen; | |
927 | DSA_SIG *ret = NULL; | |
928 | CAPI_KEY *capi_key; | |
929 | CAPI_CTX *ctx; | |
930 | unsigned char csigbuf[40]; | |
931 | ||
932 | ctx = ENGINE_get_ex_data(dsa->engine, capi_idx); | |
933 | ||
934 | CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n"); | |
935 | ||
936 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
937 | ||
938 | if (!capi_key) { | |
939 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY); | |
940 | return NULL; | |
941 | } | |
942 | ||
943 | if (dlen != 20) { | |
944 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH); | |
945 | return NULL; | |
946 | } | |
947 | ||
948 | /* Create the hash object */ | |
949 | if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) { | |
950 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
951 | capi_addlasterror(); | |
952 | return NULL; | |
953 | } | |
954 | ||
955 | /* Set the hash value to the value passed */ | |
956 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) { | |
957 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
958 | capi_addlasterror(); | |
959 | goto err; | |
960 | } | |
961 | ||
962 | /* Finally sign it */ | |
963 | slen = sizeof(csigbuf); | |
964 | if (!CryptSignHash(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) { | |
965 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
966 | capi_addlasterror(); | |
967 | goto err; | |
968 | } else { | |
969 | ret = DSA_SIG_new(); | |
970 | if (!ret) | |
971 | goto err; | |
972 | ret->r = BN_new(); | |
973 | ret->s = BN_new(); | |
974 | if (!ret->r || !ret->s) | |
975 | goto err; | |
976 | if (!lend_tobn(ret->r, csigbuf, 20) | |
977 | || !lend_tobn(ret->s, csigbuf + 20, 20)) { | |
978 | DSA_SIG_free(ret); | |
979 | ret = NULL; | |
980 | goto err; | |
981 | } | |
982 | } | |
983 | ||
984 | /* Now cleanup */ | |
985 | ||
986 | err: | |
987 | OPENSSL_cleanse(csigbuf, 40); | |
988 | CryptDestroyHash(hash); | |
989 | return ret; | |
990 | } | |
7a18ecb2 DSH |
991 | |
992 | static int capi_dsa_free(DSA *dsa) | |
ae5c8664 MC |
993 | { |
994 | CAPI_KEY *capi_key; | |
995 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
996 | capi_free_key(capi_key); | |
997 | DSA_set_ex_data(dsa, dsa_capi_idx, 0); | |
998 | return 1; | |
999 | } | |
1000 | ||
1001 | static void capi_vtrace(CAPI_CTX * ctx, int level, char *format, | |
1002 | va_list argptr) | |
1003 | { | |
1004 | BIO *out; | |
1005 | ||
1006 | if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file)) | |
1007 | return; | |
1008 | out = BIO_new_file(ctx->debug_file, "a+"); | |
1009 | BIO_vprintf(out, format, argptr); | |
1010 | BIO_free(out); | |
1011 | } | |
1012 | ||
1013 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...) | |
1014 | { | |
1015 | va_list args; | |
1016 | va_start(args, format); | |
1017 | capi_vtrace(ctx, CAPI_DBG_TRACE, format, args); | |
1018 | va_end(args); | |
1019 | } | |
7a18ecb2 DSH |
1020 | |
1021 | static void capi_addlasterror(void) | |
ae5c8664 MC |
1022 | { |
1023 | capi_adderror(GetLastError()); | |
1024 | } | |
7a18ecb2 DSH |
1025 | |
1026 | static void capi_adderror(DWORD err) | |
ae5c8664 MC |
1027 | { |
1028 | char errstr[10]; | |
1029 | BIO_snprintf(errstr, 10, "%lX", err); | |
1030 | ERR_add_error_data(2, "Error code= 0x", errstr); | |
1031 | } | |
7a18ecb2 | 1032 | |
2ad673c6 | 1033 | static char *wide_to_asc(LPCWSTR wstr) |
ae5c8664 MC |
1034 | { |
1035 | char *str; | |
1036 | int len_0, sz; | |
1037 | ||
1038 | if (!wstr) | |
1039 | return NULL; | |
1040 | len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */ | |
1041 | sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL); | |
1042 | if (!sz) { | |
1043 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1044 | return NULL; | |
1045 | } | |
1046 | str = OPENSSL_malloc(sz); | |
1047 | if (!str) { | |
1048 | CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE); | |
1049 | return NULL; | |
1050 | } | |
1051 | if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) { | |
1052 | OPENSSL_free(str); | |
1053 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1054 | return NULL; | |
1055 | } | |
1056 | return str; | |
1057 | } | |
1058 | ||
1059 | static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype, | |
1060 | DWORD idx) | |
1061 | { | |
1062 | DWORD len, err; | |
1063 | LPTSTR name; | |
1064 | CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx); | |
1065 | if (!CryptEnumProviders(idx, NULL, 0, ptype, NULL, &len)) { | |
1066 | err = GetLastError(); | |
1067 | if (err == ERROR_NO_MORE_ITEMS) | |
1068 | return 2; | |
1069 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1070 | capi_adderror(err); | |
1071 | return 0; | |
1072 | } | |
1073 | if (sizeof(TCHAR) != sizeof(char)) | |
1074 | name = alloca(len); | |
1075 | else | |
1076 | name = OPENSSL_malloc(len); | |
1077 | if (!CryptEnumProviders(idx, NULL, 0, ptype, name, &len)) { | |
1078 | err = GetLastError(); | |
1079 | if (err == ERROR_NO_MORE_ITEMS) | |
1080 | return 2; | |
1081 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1082 | capi_adderror(err); | |
1083 | return 0; | |
1084 | } | |
1085 | if (sizeof(TCHAR) != sizeof(char)) | |
1086 | *pname = wide_to_asc((WCHAR *)name); | |
1087 | else | |
1088 | *pname = (char *)name; | |
1089 | CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", *pname, | |
1090 | *ptype); | |
1091 | ||
1092 | return 1; | |
1093 | } | |
1094 | ||
1095 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out) | |
1096 | { | |
1097 | DWORD idx, ptype; | |
1098 | int ret; | |
1099 | LPSTR provname = NULL; | |
1100 | CAPI_trace(ctx, "capi_list_providers\n"); | |
1101 | BIO_printf(out, "Available CSPs:\n"); | |
1102 | for (idx = 0;; idx++) { | |
1103 | ret = capi_get_provname(ctx, &provname, &ptype, idx); | |
1104 | if (ret == 2) | |
1105 | break; | |
1106 | if (ret == 0) | |
1107 | break; | |
1108 | BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype); | |
1109 | OPENSSL_free(provname); | |
1110 | } | |
1111 | return 1; | |
1112 | } | |
1113 | ||
1114 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out) | |
1115 | { | |
1116 | int ret = 1; | |
1117 | HCRYPTPROV hprov; | |
1118 | DWORD err, idx, flags, buflen = 0, clen; | |
1119 | LPSTR cname; | |
1120 | LPTSTR cspname = NULL; | |
1121 | ||
1122 | CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, | |
1123 | ctx->csptype); | |
1124 | if (ctx->cspname && sizeof(TCHAR) != sizeof(char)) { | |
1125 | if ((clen = | |
1126 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0))) { | |
1127 | cspname = alloca(clen * sizeof(WCHAR)); | |
1128 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, (WCHAR *)cspname, | |
1129 | clen); | |
1130 | } | |
1131 | if (!cspname) { | |
1132 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1133 | capi_addlasterror(); | |
1134 | return 0; | |
1135 | } | |
1136 | } else | |
1137 | cspname = (TCHAR *)ctx->cspname; | |
1138 | if (!CryptAcquireContext | |
1139 | (&hprov, NULL, cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) { | |
1140 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, | |
1141 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1142 | capi_addlasterror(); | |
1143 | return 0; | |
1144 | } | |
1145 | if (!CryptGetProvParam | |
1146 | (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) { | |
1147 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1148 | capi_addlasterror(); | |
1149 | CryptReleaseContext(hprov, 0); | |
1150 | return 0; | |
1151 | } | |
1152 | CAPI_trace(ctx, "Got max container len %d\n", buflen); | |
1153 | if (buflen == 0) | |
1154 | buflen = 1024; | |
1155 | cname = OPENSSL_malloc(buflen); | |
1156 | if (!cname) { | |
1157 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1158 | goto err; | |
1159 | } | |
1160 | ||
1161 | for (idx = 0;; idx++) { | |
1162 | clen = buflen; | |
1163 | cname[0] = 0; | |
1164 | ||
1165 | if (idx == 0) | |
1166 | flags = CRYPT_FIRST; | |
1167 | else | |
1168 | flags = 0; | |
1169 | if (!CryptGetProvParam | |
1170 | (hprov, PP_ENUMCONTAINERS, (BYTE *) cname, &clen, flags)) { | |
1171 | err = GetLastError(); | |
1172 | if (err == ERROR_NO_MORE_ITEMS) | |
1173 | goto done; | |
1174 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1175 | capi_adderror(err); | |
1176 | goto err; | |
1177 | } | |
1178 | CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", | |
1179 | cname, clen, idx, flags); | |
1180 | if (!cname[0] && (clen == buflen)) { | |
1181 | CAPI_trace(ctx, "Enumerate bug: using workaround\n"); | |
1182 | goto done; | |
1183 | } | |
1184 | BIO_printf(out, "%d. %s\n", idx, cname); | |
1185 | } | |
1186 | err: | |
1187 | ||
1188 | ret = 0; | |
1189 | ||
1190 | done: | |
1191 | if (cname) | |
1192 | OPENSSL_free(cname); | |
1193 | CryptReleaseContext(hprov, 0); | |
1194 | ||
1195 | return ret; | |
1196 | } | |
1197 | ||
1198 | CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1199 | { | |
1200 | DWORD len; | |
1201 | CRYPT_KEY_PROV_INFO *pinfo; | |
1202 | ||
1203 | if (!CertGetCertificateContextProperty | |
1204 | (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len)) | |
1205 | return NULL; | |
1206 | pinfo = OPENSSL_malloc(len); | |
1207 | if (!pinfo) { | |
1208 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE); | |
1209 | return NULL; | |
1210 | } | |
1211 | if (!CertGetCertificateContextProperty | |
1212 | (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) { | |
1213 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, | |
1214 | CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO); | |
1215 | capi_addlasterror(); | |
1216 | OPENSSL_free(pinfo); | |
1217 | return NULL; | |
1218 | } | |
1219 | return pinfo; | |
1220 | } | |
1221 | ||
1222 | static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out, | |
1223 | CRYPT_KEY_PROV_INFO * pinfo) | |
1224 | { | |
1225 | char *provname = NULL, *contname = NULL; | |
1226 | if (!pinfo) { | |
1227 | BIO_printf(out, " No Private Key\n"); | |
1228 | return; | |
1229 | } | |
1230 | provname = wide_to_asc(pinfo->pwszProvName); | |
1231 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1232 | if (!provname || !contname) | |
1233 | goto err; | |
1234 | ||
1235 | BIO_printf(out, " Private Key Info:\n"); | |
1236 | BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, | |
1237 | pinfo->dwProvType); | |
1238 | BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, | |
1239 | pinfo->dwKeySpec); | |
1240 | err: | |
1241 | if (provname) | |
1242 | OPENSSL_free(provname); | |
1243 | if (contname) | |
1244 | OPENSSL_free(contname); | |
1245 | } | |
1246 | ||
1247 | char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1248 | { | |
1249 | LPWSTR wfname; | |
1250 | DWORD dlen; | |
1251 | ||
1252 | CAPI_trace(ctx, "capi_cert_get_fname\n"); | |
1253 | if (!CertGetCertificateContextProperty | |
1254 | (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen)) | |
1255 | return NULL; | |
1256 | wfname = OPENSSL_malloc(dlen); | |
1257 | if (CertGetCertificateContextProperty | |
1258 | (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) { | |
1259 | char *fname = wide_to_asc(wfname); | |
1260 | OPENSSL_free(wfname); | |
1261 | return fname; | |
1262 | } | |
1263 | CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME); | |
1264 | capi_addlasterror(); | |
1265 | ||
1266 | OPENSSL_free(wfname); | |
1267 | return NULL; | |
1268 | } | |
1269 | ||
1270 | void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert) | |
1271 | { | |
1272 | X509 *x; | |
1273 | unsigned char *p; | |
1274 | unsigned long flags = ctx->dump_flags; | |
1275 | if (flags & CAPI_DMP_FNAME) { | |
1276 | char *fname; | |
1277 | fname = capi_cert_get_fname(ctx, cert); | |
1278 | if (fname) { | |
1279 | BIO_printf(out, " Friendly Name \"%s\"\n", fname); | |
1280 | OPENSSL_free(fname); | |
1281 | } else | |
1282 | BIO_printf(out, " <No Friendly Name>\n"); | |
1283 | } | |
1284 | ||
1285 | p = cert->pbCertEncoded; | |
1286 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1287 | if (!x) | |
1288 | BIO_printf(out, " <Can't parse certificate>\n"); | |
1289 | if (flags & CAPI_DMP_SUMMARY) { | |
1290 | BIO_printf(out, " Subject: "); | |
1291 | X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE); | |
1292 | BIO_printf(out, "\n Issuer: "); | |
1293 | X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE); | |
1294 | BIO_printf(out, "\n"); | |
1295 | } | |
1296 | if (flags & CAPI_DMP_FULL) | |
1297 | X509_print_ex(out, x, XN_FLAG_ONELINE, 0); | |
1298 | ||
1299 | if (flags & CAPI_DMP_PKEYINFO) { | |
1300 | CRYPT_KEY_PROV_INFO *pinfo; | |
1301 | pinfo = capi_get_prov_info(ctx, cert); | |
1302 | capi_dump_prov_info(ctx, out, pinfo); | |
1303 | if (pinfo) | |
1304 | OPENSSL_free(pinfo); | |
1305 | } | |
1306 | ||
1307 | if (flags & CAPI_DMP_PEM) | |
1308 | PEM_write_bio_X509(out, x); | |
1309 | X509_free(x); | |
1310 | } | |
1311 | ||
1312 | HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename) | |
1313 | { | |
1314 | HCERTSTORE hstore; | |
1315 | ||
1316 | if (!storename) | |
1317 | storename = ctx->storename; | |
1318 | if (!storename) | |
1319 | storename = "MY"; | |
1320 | CAPI_trace(ctx, "Opening certificate store %s\n", storename); | |
1321 | ||
1322 | hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0, | |
1323 | ctx->store_flags, storename); | |
1324 | if (!hstore) { | |
1325 | CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE); | |
1326 | capi_addlasterror(); | |
1327 | } | |
1328 | return hstore; | |
1329 | } | |
1330 | ||
1331 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id) | |
1332 | { | |
1333 | char *storename; | |
1334 | int idx; | |
1335 | int ret = 1; | |
1336 | HCERTSTORE hstore; | |
1337 | PCCERT_CONTEXT cert = NULL; | |
1338 | ||
1339 | storename = ctx->storename; | |
1340 | if (!storename) | |
1341 | storename = "MY"; | |
1342 | CAPI_trace(ctx, "Listing certs for store %s\n", storename); | |
1343 | ||
1344 | hstore = capi_open_store(ctx, storename); | |
1345 | if (!hstore) | |
1346 | return 0; | |
1347 | if (id) { | |
1348 | cert = capi_find_cert(ctx, id, hstore); | |
1349 | if (!cert) { | |
1350 | ret = 0; | |
1351 | goto err; | |
1352 | } | |
1353 | capi_dump_cert(ctx, out, cert); | |
1354 | CertFreeCertificateContext(cert); | |
1355 | } else { | |
1356 | for (idx = 0;; idx++) { | |
1357 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1358 | if (!cert) | |
1359 | break; | |
1360 | BIO_printf(out, "Certificate %d\n", idx); | |
1361 | capi_dump_cert(ctx, out, cert); | |
1362 | } | |
1363 | } | |
1364 | err: | |
1365 | CertCloseStore(hstore, 0); | |
1366 | return ret; | |
1367 | } | |
1368 | ||
1369 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, | |
1370 | HCERTSTORE hstore) | |
1371 | { | |
1372 | PCCERT_CONTEXT cert = NULL; | |
1373 | char *fname = NULL; | |
1374 | int match; | |
1375 | switch (ctx->lookup_method) { | |
1376 | case CAPI_LU_SUBSTR: | |
1377 | return CertFindCertificateInStore(hstore, | |
1378 | X509_ASN_ENCODING, 0, | |
1379 | CERT_FIND_SUBJECT_STR_A, id, NULL); | |
1380 | case CAPI_LU_FNAME: | |
1381 | for (;;) { | |
1382 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1383 | if (!cert) | |
1384 | return NULL; | |
1385 | fname = capi_cert_get_fname(ctx, cert); | |
1386 | if (fname) { | |
1387 | if (strcmp(fname, id)) | |
1388 | match = 0; | |
1389 | else | |
1390 | match = 1; | |
1391 | OPENSSL_free(fname); | |
1392 | if (match) | |
1393 | return cert; | |
1394 | } | |
1395 | } | |
1396 | default: | |
1397 | return NULL; | |
1398 | } | |
1399 | } | |
1400 | ||
1401 | static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const TCHAR *contname, | |
1402 | TCHAR *provname, DWORD ptype, DWORD keyspec) | |
1403 | { | |
1404 | CAPI_KEY *key; | |
1405 | DWORD dwFlags = 0; | |
1406 | key = OPENSSL_malloc(sizeof(CAPI_KEY)); | |
1407 | if (sizeof(TCHAR) == sizeof(char)) | |
1408 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
1409 | contname, provname, ptype); | |
1410 | else if (ctx && ctx->debug_level >= CAPI_DBG_TRACE && ctx->debug_file) { | |
1411 | /* above 'if' is optimization to minimize malloc-ations */ | |
1412 | char *_contname = wide_to_asc((WCHAR *)contname); | |
1413 | char *_provname = wide_to_asc((WCHAR *)provname); | |
1414 | ||
1415 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
1416 | _contname, _provname, ptype); | |
1417 | if (_provname) | |
1418 | OPENSSL_free(_provname); | |
1419 | if (_contname) | |
1420 | OPENSSL_free(_contname); | |
1421 | } | |
1422 | if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE) | |
1423 | dwFlags = CRYPT_MACHINE_KEYSET; | |
1424 | if (!CryptAcquireContext(&key->hprov, contname, provname, ptype, dwFlags)) { | |
1425 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1426 | capi_addlasterror(); | |
1427 | goto err; | |
1428 | } | |
1429 | if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) { | |
1430 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR); | |
1431 | capi_addlasterror(); | |
1432 | CryptReleaseContext(key->hprov, 0); | |
1433 | goto err; | |
1434 | } | |
1435 | key->keyspec = keyspec; | |
1436 | key->pcert = NULL; | |
1437 | return key; | |
1438 | ||
1439 | err: | |
1440 | OPENSSL_free(key); | |
1441 | return NULL; | |
1442 | } | |
1443 | ||
1444 | static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1445 | { | |
1446 | CAPI_KEY *key = NULL; | |
1447 | CRYPT_KEY_PROV_INFO *pinfo = NULL; | |
1448 | char *provname = NULL, *contname = NULL; | |
1449 | pinfo = capi_get_prov_info(ctx, cert); | |
1450 | if (!pinfo) | |
1451 | goto err; | |
1452 | if (sizeof(TCHAR) != sizeof(char)) | |
1453 | key = capi_get_key(ctx, (TCHAR *)pinfo->pwszContainerName, | |
1454 | (TCHAR *)pinfo->pwszProvName, | |
1455 | pinfo->dwProvType, pinfo->dwKeySpec); | |
1456 | else { | |
1457 | provname = wide_to_asc(pinfo->pwszProvName); | |
1458 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1459 | if (!provname || !contname) | |
1460 | goto err; | |
1461 | key = capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname, | |
1462 | pinfo->dwProvType, pinfo->dwKeySpec); | |
1463 | } | |
1464 | ||
1465 | err: | |
1466 | if (pinfo) | |
1467 | OPENSSL_free(pinfo); | |
1468 | if (provname) | |
1469 | OPENSSL_free(provname); | |
1470 | if (contname) | |
1471 | OPENSSL_free(contname); | |
1472 | return key; | |
1473 | } | |
1474 | ||
1475 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id) | |
1476 | { | |
1477 | PCCERT_CONTEXT cert; | |
1478 | HCERTSTORE hstore; | |
1479 | CAPI_KEY *key = NULL; | |
1480 | switch (ctx->lookup_method) { | |
1481 | case CAPI_LU_SUBSTR: | |
1482 | case CAPI_LU_FNAME: | |
1483 | hstore = capi_open_store(ctx, NULL); | |
1484 | if (!hstore) | |
1485 | return NULL; | |
1486 | cert = capi_find_cert(ctx, id, hstore); | |
1487 | if (cert) { | |
1488 | key = capi_get_cert_key(ctx, cert); | |
1489 | CertFreeCertificateContext(cert); | |
1490 | } | |
1491 | CertCloseStore(hstore, 0); | |
1492 | break; | |
1493 | ||
1494 | case CAPI_LU_CONTNAME: | |
1495 | if (sizeof(TCHAR) != sizeof(char)) { | |
1496 | WCHAR *contname, *provname; | |
1497 | DWORD len; | |
1498 | ||
1499 | if ((len = MultiByteToWideChar(CP_ACP, 0, id, -1, NULL, 0)) && | |
1500 | (contname = alloca(len * sizeof(WCHAR)), | |
1501 | MultiByteToWideChar(CP_ACP, 0, id, -1, contname, len)) && | |
1502 | (len = | |
1503 | MultiByteToWideChar(CP_ACP, 0, ctx->cspname, -1, NULL, 0)) | |
1504 | && (provname = | |
1505 | alloca(len * sizeof(WCHAR)), MultiByteToWideChar(CP_ACP, | |
1506 | 0, | |
1507 | ctx->cspname, | |
1508 | -1, | |
1509 | provname, | |
1510 | len))) | |
1511 | key = | |
1512 | capi_get_key(ctx, (TCHAR *)contname, (TCHAR *)provname, | |
1513 | ctx->csptype, ctx->keytype); | |
1514 | } else | |
1515 | key = capi_get_key(ctx, (TCHAR *)id, | |
1516 | (TCHAR *)ctx->cspname, | |
1517 | ctx->csptype, ctx->keytype); | |
1518 | break; | |
1519 | } | |
1520 | ||
1521 | return key; | |
1522 | } | |
1523 | ||
1524 | void capi_free_key(CAPI_KEY * key) | |
1525 | { | |
1526 | if (!key) | |
1527 | return; | |
1528 | CryptDestroyKey(key->key); | |
1529 | CryptReleaseContext(key->hprov, 0); | |
1530 | if (key->pcert) | |
1531 | CertFreeCertificateContext(key->pcert); | |
1532 | OPENSSL_free(key); | |
1533 | } | |
7a18ecb2 DSH |
1534 | |
1535 | /* Initialize a CAPI_CTX structure */ | |
1536 | ||
1537 | static CAPI_CTX *capi_ctx_new() | |
ae5c8664 MC |
1538 | { |
1539 | CAPI_CTX *ctx; | |
1540 | ctx = OPENSSL_malloc(sizeof(CAPI_CTX)); | |
1541 | if (!ctx) { | |
1542 | CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
1543 | return NULL; | |
1544 | } | |
1545 | ctx->cspname = NULL; | |
1546 | ctx->csptype = PROV_RSA_FULL; | |
1547 | ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME; | |
1548 | ctx->keytype = AT_KEYEXCHANGE; | |
1549 | ctx->storename = NULL; | |
1550 | ctx->ssl_client_store = NULL; | |
1551 | ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG | | |
1552 | CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER; | |
1553 | ctx->lookup_method = CAPI_LU_SUBSTR; | |
1554 | ctx->debug_level = 0; | |
1555 | ctx->debug_file = NULL; | |
1556 | ctx->client_cert_select = cert_select_simple; | |
1557 | return ctx; | |
1558 | } | |
1559 | ||
1560 | static void capi_ctx_free(CAPI_CTX * ctx) | |
1561 | { | |
1562 | CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx); | |
1563 | if (!ctx) | |
1564 | return; | |
1565 | if (ctx->cspname) | |
1566 | OPENSSL_free(ctx->cspname); | |
1567 | if (ctx->debug_file) | |
1568 | OPENSSL_free(ctx->debug_file); | |
1569 | if (ctx->storename) | |
1570 | OPENSSL_free(ctx->storename); | |
1571 | if (ctx->ssl_client_store) | |
1572 | OPENSSL_free(ctx->ssl_client_store); | |
1573 | OPENSSL_free(ctx); | |
1574 | } | |
1575 | ||
1576 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type, | |
1577 | int check) | |
1578 | { | |
1579 | CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type); | |
1580 | if (check) { | |
1581 | HCRYPTPROV hprov; | |
1582 | LPTSTR name = NULL; | |
1583 | ||
1584 | if (sizeof(TCHAR) != sizeof(char)) { | |
1585 | DWORD len; | |
1586 | if ((len = MultiByteToWideChar(CP_ACP, 0, pname, -1, NULL, 0))) { | |
1587 | name = alloca(len * sizeof(WCHAR)); | |
1588 | MultiByteToWideChar(CP_ACP, 0, pname, -1, (WCHAR *)name, len); | |
1589 | } | |
1590 | } else | |
1591 | name = (TCHAR *)pname; | |
1592 | ||
1593 | if (!name || !CryptAcquireContext(&hprov, NULL, name, type, | |
1594 | CRYPT_VERIFYCONTEXT)) { | |
1595 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, | |
1596 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1597 | capi_addlasterror(); | |
1598 | return 0; | |
1599 | } | |
1600 | CryptReleaseContext(hprov, 0); | |
1601 | } | |
1602 | if (ctx->cspname) | |
1603 | OPENSSL_free(ctx->cspname); | |
1604 | ctx->cspname = BUF_strdup(pname); | |
1605 | ctx->csptype = type; | |
1606 | return 1; | |
1607 | } | |
1608 | ||
1609 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx) | |
1610 | { | |
1611 | LPSTR pname; | |
1612 | DWORD type; | |
1613 | int res; | |
1614 | if (capi_get_provname(ctx, &pname, &type, idx) != 1) | |
1615 | return 0; | |
1616 | res = capi_ctx_set_provname(ctx, pname, type, 0); | |
1617 | OPENSSL_free(pname); | |
1618 | return res; | |
1619 | } | |
7a18ecb2 | 1620 | |
b3c8dd4e | 1621 | static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x) |
ae5c8664 MC |
1622 | { |
1623 | int i; | |
1624 | X509_NAME *nm; | |
1625 | /* Special case: empty list: match anything */ | |
1626 | if (sk_X509_NAME_num(ca_dn) <= 0) | |
1627 | return 1; | |
1628 | for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) { | |
1629 | nm = sk_X509_NAME_value(ca_dn, i); | |
1630 | if (!X509_NAME_cmp(nm, X509_get_issuer_name(x))) | |
1631 | return 1; | |
1632 | } | |
1633 | return 0; | |
1634 | } | |
7d537d4f | 1635 | |
b3c8dd4e | 1636 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, |
ae5c8664 MC |
1637 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
1638 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
1639 | UI_METHOD *ui_method, | |
1640 | void *callback_data) | |
1641 | { | |
1642 | STACK_OF(X509) *certs = NULL; | |
1643 | X509 *x; | |
1644 | char *storename; | |
1645 | const char *p; | |
1646 | int i, client_cert_idx; | |
1647 | HCERTSTORE hstore; | |
1648 | PCCERT_CONTEXT cert = NULL, excert = NULL; | |
1649 | CAPI_CTX *ctx; | |
1650 | CAPI_KEY *key; | |
1651 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1652 | ||
1653 | *pcert = NULL; | |
1654 | *pkey = NULL; | |
1655 | ||
1656 | storename = ctx->ssl_client_store; | |
1657 | if (!storename) | |
1658 | storename = "MY"; | |
1659 | ||
1660 | hstore = capi_open_store(ctx, storename); | |
1661 | if (!hstore) | |
1662 | return 0; | |
1663 | /* Enumerate all certificates collect any matches */ | |
1664 | for (i = 0;; i++) { | |
1665 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1666 | if (!cert) | |
1667 | break; | |
1668 | p = cert->pbCertEncoded; | |
1669 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1670 | if (!x) { | |
1671 | CAPI_trace(ctx, "Can't Parse Certificate %d\n", i); | |
1672 | continue; | |
1673 | } | |
1674 | if (cert_issuer_match(ca_dn, x) | |
1675 | && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) { | |
1676 | key = capi_get_cert_key(ctx, cert); | |
1677 | if (!key) { | |
1678 | X509_free(x); | |
1679 | continue; | |
1680 | } | |
1681 | /* | |
1682 | * Match found: attach extra data to it so we can retrieve the | |
1683 | * key later. | |
1684 | */ | |
1685 | excert = CertDuplicateCertificateContext(cert); | |
1686 | key->pcert = excert; | |
1687 | X509_set_ex_data(x, cert_capi_idx, key); | |
1688 | ||
1689 | if (!certs) | |
1690 | certs = sk_X509_new_null(); | |
1691 | ||
1692 | sk_X509_push(certs, x); | |
1693 | } else | |
1694 | X509_free(x); | |
1695 | ||
1696 | } | |
1697 | ||
1698 | if (cert) | |
1699 | CertFreeCertificateContext(cert); | |
1700 | if (hstore) | |
1701 | CertCloseStore(hstore, 0); | |
1702 | ||
1703 | if (!certs) | |
1704 | return 0; | |
1705 | ||
1706 | /* Select the appropriate certificate */ | |
1707 | ||
1708 | client_cert_idx = ctx->client_cert_select(e, ssl, certs); | |
1709 | ||
1710 | /* Set the selected certificate and free the rest */ | |
1711 | ||
1712 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1713 | x = sk_X509_value(certs, i); | |
1714 | if (i == client_cert_idx) | |
1715 | *pcert = x; | |
1716 | else { | |
1717 | key = X509_get_ex_data(x, cert_capi_idx); | |
1718 | capi_free_key(key); | |
1719 | X509_free(x); | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | sk_X509_free(certs); | |
1724 | ||
1725 | if (!*pcert) | |
1726 | return 0; | |
1727 | ||
1728 | /* Setup key for selected certificate */ | |
1729 | ||
1730 | key = X509_get_ex_data(*pcert, cert_capi_idx); | |
1731 | *pkey = capi_get_pkey(e, key); | |
1732 | X509_set_ex_data(*pcert, cert_capi_idx, NULL); | |
1733 | ||
1734 | return 1; | |
1735 | ||
1736 | } | |
e0f7b872 DSH |
1737 | |
1738 | /* Simple client cert selection function: always select first */ | |
1739 | ||
1cd504e7 | 1740 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
ae5c8664 MC |
1741 | { |
1742 | return 0; | |
1743 | } | |
e0f7b872 | 1744 | |
ae5c8664 | 1745 | # ifdef OPENSSL_CAPIENG_DIALOG |
e0f7b872 | 1746 | |
ae5c8664 MC |
1747 | /* |
1748 | * More complex cert selection function, using standard function | |
e0f7b872 DSH |
1749 | * CryptUIDlgSelectCertificateFromStore() to produce a dialog box. |
1750 | */ | |
1751 | ||
ae5c8664 MC |
1752 | /* |
1753 | * Definitions which are in cryptuiapi.h but this is not present in older | |
a0f3679b DSH |
1754 | * versions of headers. |
1755 | */ | |
1756 | ||
ae5c8664 MC |
1757 | # ifndef CRYPTUI_SELECT_LOCATION_COLUMN |
1758 | # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010 | |
1759 | # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004 | |
1760 | # endif | |
e0f7b872 | 1761 | |
ae5c8664 MC |
1762 | # define dlg_title L"OpenSSL Application SSL Client Certificate Selection" |
1763 | # define dlg_prompt L"Select a certificate to use for authentication" | |
1764 | # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \ | |
1765 | |CRYPTUI_SELECT_INTENDEDUSE_COLUMN | |
1381bf90 | 1766 | |
1cd504e7 | 1767 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
ae5c8664 MC |
1768 | { |
1769 | X509 *x; | |
1770 | HCERTSTORE dstore; | |
1771 | PCCERT_CONTEXT cert; | |
1772 | CAPI_CTX *ctx; | |
1773 | CAPI_KEY *key; | |
1774 | HWND hwnd; | |
1775 | int i, idx = -1; | |
1776 | if (sk_X509_num(certs) == 1) | |
1777 | return 0; | |
1778 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1779 | /* Create an in memory store of certificates */ | |
1780 | dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, | |
1781 | CERT_STORE_CREATE_NEW_FLAG, NULL); | |
1782 | if (!dstore) { | |
1783 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE); | |
1784 | capi_addlasterror(); | |
1785 | goto err; | |
1786 | } | |
1787 | /* Add all certificates to store */ | |
1788 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1789 | x = sk_X509_value(certs, i); | |
1790 | key = X509_get_ex_data(x, cert_capi_idx); | |
1791 | ||
1792 | if (!CertAddCertificateContextToStore(dstore, key->pcert, | |
1793 | CERT_STORE_ADD_NEW, NULL)) { | |
1794 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT); | |
1795 | capi_addlasterror(); | |
1796 | goto err; | |
1797 | } | |
1798 | ||
1799 | } | |
1800 | hwnd = GetForegroundWindow(); | |
1801 | if (!hwnd) | |
1802 | hwnd = GetActiveWindow(); | |
1803 | if (!hwnd && ctx->getconswindow) | |
1804 | hwnd = ctx->getconswindow(); | |
1805 | /* Call dialog to select one */ | |
1806 | cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt, | |
1807 | dlg_columns, 0, NULL); | |
1808 | ||
1809 | /* Find matching cert from list */ | |
1810 | if (cert) { | |
1811 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1812 | x = sk_X509_value(certs, i); | |
1813 | key = X509_get_ex_data(x, cert_capi_idx); | |
1814 | if (CertCompareCertificate | |
1815 | (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo, | |
1816 | key->pcert->pCertInfo)) { | |
1817 | idx = i; | |
1818 | break; | |
1819 | } | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | err: | |
1824 | if (dstore) | |
1825 | CertCloseStore(dstore, 0); | |
1826 | return idx; | |
1827 | ||
1828 | } | |
1829 | # endif | |
1830 | ||
1831 | #else /* !__COMPILE_CAPIENG */ | |
1832 | # include <openssl/engine.h> | |
1833 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
492279f6 | 1834 | OPENSSL_EXPORT |
ae5c8664 | 1835 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); |
b5b72434 | 1836 | OPENSSL_EXPORT |
ae5c8664 MC |
1837 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) |
1838 | { | |
1839 | return 0; | |
1840 | } | |
1841 | ||
492279f6 | 1842 | IMPLEMENT_DYNAMIC_CHECK_FN() |
ae5c8664 MC |
1843 | # else |
1844 | void ENGINE_load_capi(void) | |
1845 | { | |
1846 | } | |
1847 | # endif | |
7a18ecb2 | 1848 | #endif |