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7a18ecb2 DSH |
1 | /* engines/e_capi.c */ |
2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
3 | * project. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | */ | |
53 | ||
54 | ||
55 | #include <stdio.h> | |
56 | #include <string.h> | |
57 | #include <openssl/crypto.h> | |
58 | #include <openssl/buffer.h> | |
7a18ecb2 | 59 | #include <openssl/bn.h> |
7a18ecb2 DSH |
60 | |
61 | #ifdef OPENSSL_SYS_WIN32 | |
62 | #ifndef OPENSSL_NO_CAPIENG | |
63 | ||
d4f0339c | 64 | #include <openssl/rsa.h> |
a0f3679b | 65 | |
f79262e9 | 66 | #include <windows.h> |
a0f3679b DSH |
67 | |
68 | #ifndef _WIN32_WINNT | |
69 | #define _WIN32_WINNT 0x0400 | |
70 | #endif | |
71 | ||
f79262e9 | 72 | #include <wincrypt.h> |
7a18ecb2 | 73 | |
f87e3078 AP |
74 | /* |
75 | * This module uses several "new" interfaces, among which is | |
76 | * CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is | |
77 | * one of possible values you can pass to function in question. By | |
78 | * checking if it's defined we can see if wincrypt.h and accompanying | |
79 | * crypt32.lib are in shape. Yes, it's rather "weak" test and if | |
80 | * compilation fails, then re-configure with -DOPENSSL_NO_CAPIENG. | |
81 | */ | |
82 | #ifdef CERT_KEY_PROV_INFO_PROP_ID | |
83 | # define __COMPILE_CAPIENG | |
84 | #endif /* CERT_KEY_PROV_INFO_PROP_ID */ | |
85 | #endif /* OPENSSL_NO_CAPIENG */ | |
86 | #endif /* OPENSSL_SYS_WIN32 */ | |
87 | ||
88 | #ifdef __COMPILE_CAPIENG | |
89 | ||
11f3cee9 DSH |
90 | #undef X509_EXTENSIONS |
91 | #undef X509_CERT_PAIR | |
92 | ||
a0f3679b DSH |
93 | /* Definitions which may be missing from earlier version of headers */ |
94 | #ifndef CERT_STORE_OPEN_EXISTING_FLAG | |
95 | #define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000 | |
96 | #endif | |
97 | ||
98 | #ifndef CERT_STORE_CREATE_NEW_FLAG | |
99 | #define CERT_STORE_CREATE_NEW_FLAG 0x00002000 | |
100 | #endif | |
101 | ||
6c6bdd54 DSH |
102 | #ifndef CERT_SYSTEM_STORE_CURRENT_USER |
103 | #define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000 | |
82f385d7 | 104 | #endif |
6c6bdd54 | 105 | |
11f3cee9 DSH |
106 | #include <openssl/engine.h> |
107 | #include <openssl/pem.h> | |
2836cb38 | 108 | #include <openssl/x509v3.h> |
37cf49a3 | 109 | |
7a18ecb2 DSH |
110 | #include "e_capi_err.h" |
111 | #include "e_capi_err.c" | |
112 | ||
113 | ||
114 | static const char *engine_capi_id = "capi"; | |
115 | static const char *engine_capi_name = "CryptoAPI ENGINE"; | |
116 | ||
117 | typedef struct CAPI_CTX_st CAPI_CTX; | |
118 | typedef struct CAPI_KEY_st CAPI_KEY; | |
119 | ||
120 | static void capi_addlasterror(void); | |
121 | static void capi_adderror(DWORD err); | |
122 | ||
123 | static void CAPI_trace(CAPI_CTX *ctx, char *format, ...); | |
124 | ||
125 | static int capi_list_providers(CAPI_CTX *ctx, BIO *out); | |
126 | static int capi_list_containers(CAPI_CTX *ctx, BIO *out); | |
127 | int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename); | |
128 | void capi_free_key(CAPI_KEY *key); | |
129 | ||
130 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore); | |
131 | ||
132 | CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id); | |
133 | ||
134 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, | |
135 | UI_METHOD *ui_method, void *callback_data); | |
136 | static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, | |
137 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa); | |
138 | static int capi_rsa_priv_enc(int flen, const unsigned char *from, | |
139 | unsigned char *to, RSA *rsa, int padding); | |
140 | static int capi_rsa_priv_dec(int flen, const unsigned char *from, | |
141 | unsigned char *to, RSA *rsa, int padding); | |
142 | static int capi_rsa_free(RSA *rsa); | |
143 | ||
144 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
145 | DSA *dsa); | |
146 | static int capi_dsa_free(DSA *dsa); | |
b3c8dd4e DSH |
147 | |
148 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, | |
149 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey, | |
150 | STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data); | |
1cd504e7 DSH |
151 | |
152 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
153 | #ifdef OPENSSL_CAPIENG_DIALOG | |
154 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
155 | #endif | |
156 | ||
157 | typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR, | |
158 | LPCWSTR, DWORD, DWORD, | |
159 | void *); | |
160 | typedef HWND (WINAPI *GETCONSWIN)(void); | |
161 | ||
7a18ecb2 DSH |
162 | /* This structure contains CAPI ENGINE specific data: |
163 | * it contains various global options and affects how | |
164 | * other functions behave. | |
165 | */ | |
166 | ||
167 | #define CAPI_DBG_TRACE 2 | |
168 | #define CAPI_DBG_ERROR 1 | |
169 | ||
170 | struct CAPI_CTX_st { | |
171 | int debug_level; | |
172 | char *debug_file; | |
173 | /* Parameters to use for container lookup */ | |
174 | DWORD keytype; | |
01483c26 | 175 | LPSTR cspname; |
7a18ecb2 DSH |
176 | DWORD csptype; |
177 | /* Certificate store name to use */ | |
01483c26 AP |
178 | LPSTR storename; |
179 | LPSTR ssl_client_store; | |
46d47828 DSH |
180 | /* System store flags */ |
181 | DWORD store_flags; | |
7a18ecb2 DSH |
182 | |
183 | /* Lookup string meanings in load_private_key */ | |
184 | /* Substring of subject: uses "storename" */ | |
0b368578 | 185 | #define CAPI_LU_SUBSTR 1 |
7a18ecb2 | 186 | /* Friendly name: uses storename */ |
0b368578 | 187 | #define CAPI_LU_FNAME 2 |
7a18ecb2 | 188 | /* Container name: uses cspname, keytype */ |
0b368578 | 189 | #define CAPI_LU_CONTNAME 3 |
7a18ecb2 DSH |
190 | int lookup_method; |
191 | /* Info to dump with dumpcerts option */ | |
192 | /* Issuer and serial name strings */ | |
193 | #define CAPI_DMP_SUMMARY 0x1 | |
194 | /* Friendly name */ | |
195 | #define CAPI_DMP_FNAME 0x2 | |
196 | /* Full X509_print dump */ | |
197 | #define CAPI_DMP_FULL 0x4 | |
198 | /* Dump PEM format certificate */ | |
199 | #define CAPI_DMP_PEM 0x8 | |
200 | /* Dump pseudo key (if possible) */ | |
201 | #define CAPI_DMP_PSKEY 0x10 | |
202 | /* Dump key info (if possible) */ | |
203 | #define CAPI_DMP_PKEYINFO 0x20 | |
204 | ||
205 | DWORD dump_flags; | |
1cd504e7 DSH |
206 | int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); |
207 | ||
208 | CERTDLG certselectdlg; | |
209 | GETCONSWIN getconswindow; | |
7a18ecb2 DSH |
210 | }; |
211 | ||
212 | ||
213 | static CAPI_CTX *capi_ctx_new(); | |
214 | static void capi_ctx_free(CAPI_CTX *ctx); | |
215 | static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check); | |
216 | static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx); | |
217 | ||
b3c8dd4e | 218 | #define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE |
7a18ecb2 DSH |
219 | #define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1) |
220 | #define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2) | |
b3c8dd4e DSH |
221 | #define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) |
222 | #define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) | |
223 | #define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) | |
7a18ecb2 DSH |
224 | #define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6) |
225 | #define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7) | |
226 | #define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8) | |
227 | #define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9) | |
228 | #define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10) | |
229 | #define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11) | |
c621c7e4 | 230 | #define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12) |
46d47828 | 231 | #define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13) |
7a18ecb2 DSH |
232 | |
233 | static const ENGINE_CMD_DEFN capi_cmd_defns[] = { | |
234 | {CAPI_CMD_LIST_CERTS, | |
235 | "list_certs", | |
236 | "List all certificates in store", | |
237 | ENGINE_CMD_FLAG_NO_INPUT}, | |
238 | {CAPI_CMD_LOOKUP_CERT, | |
239 | "lookup_cert", | |
240 | "Lookup and output certificates", | |
241 | ENGINE_CMD_FLAG_STRING}, | |
242 | {CAPI_CMD_DEBUG_LEVEL, | |
243 | "debug_level", | |
244 | "debug level (1=errors, 2=trace)", | |
245 | ENGINE_CMD_FLAG_NUMERIC}, | |
246 | {CAPI_CMD_DEBUG_FILE, | |
247 | "debug_file", | |
248 | "debugging filename)", | |
249 | ENGINE_CMD_FLAG_STRING}, | |
250 | {CAPI_CMD_KEYTYPE, | |
251 | "key_type", | |
252 | "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE", | |
253 | ENGINE_CMD_FLAG_NUMERIC}, | |
254 | {CAPI_CMD_LIST_CSPS, | |
255 | "list_csps", | |
256 | "List all CSPs", | |
257 | ENGINE_CMD_FLAG_NO_INPUT}, | |
258 | {CAPI_CMD_SET_CSP_IDX, | |
259 | "csp_idx", | |
260 | "Set CSP by index", | |
261 | ENGINE_CMD_FLAG_NUMERIC}, | |
262 | {CAPI_CMD_SET_CSP_NAME, | |
263 | "csp_name", | |
264 | "Set CSP name, (default CSP used if not specified)", | |
265 | ENGINE_CMD_FLAG_STRING}, | |
266 | {CAPI_CMD_SET_CSP_TYPE, | |
267 | "csp_type", | |
268 | "Set CSP type, (default RSA_PROV_FULL)", | |
269 | ENGINE_CMD_FLAG_NUMERIC}, | |
270 | {CAPI_CMD_LIST_CONTAINERS, | |
271 | "list_containers", | |
272 | "list container names", | |
273 | ENGINE_CMD_FLAG_NO_INPUT}, | |
274 | {CAPI_CMD_LIST_OPTIONS, | |
275 | "list_options", | |
276 | "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, " | |
277 | "32=private key info)", | |
278 | ENGINE_CMD_FLAG_NUMERIC}, | |
279 | {CAPI_CMD_LOOKUP_METHOD, | |
280 | "lookup_method", | |
281 | "Set key lookup method (1=substring, 2=friendlyname, 3=container name)", | |
282 | ENGINE_CMD_FLAG_NUMERIC}, | |
c621c7e4 DSH |
283 | {CAPI_CMD_STORE_NAME, |
284 | "store_name", | |
285 | "certificate store name, default \"MY\"", | |
286 | ENGINE_CMD_FLAG_STRING}, | |
46d47828 DSH |
287 | {CAPI_CMD_STORE_FLAGS, |
288 | "store_flags", | |
289 | "Certificate store flags: 1 = system store", | |
290 | ENGINE_CMD_FLAG_NUMERIC}, | |
7a18ecb2 DSH |
291 | |
292 | {0, NULL, NULL, 0} | |
293 | }; | |
294 | ||
295 | static int capi_idx = -1; | |
296 | static int rsa_capi_idx = -1; | |
297 | static int dsa_capi_idx = -1; | |
7d537d4f | 298 | static int cert_capi_idx = -1; |
7a18ecb2 DSH |
299 | |
300 | static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) | |
2aa2a577 | 301 | { |
7a18ecb2 DSH |
302 | int ret = 1; |
303 | CAPI_CTX *ctx; | |
304 | BIO *out; | |
305 | if (capi_idx == -1) | |
306 | { | |
307 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED); | |
308 | return 0; | |
309 | } | |
310 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
311 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
312 | switch (cmd) | |
313 | { | |
314 | case CAPI_CMD_LIST_CSPS: | |
315 | ret = capi_list_providers(ctx, out); | |
316 | break; | |
317 | ||
318 | case CAPI_CMD_LIST_CERTS: | |
319 | ret = capi_list_certs(ctx, out, NULL); | |
320 | break; | |
321 | ||
322 | case CAPI_CMD_LOOKUP_CERT: | |
323 | ret = capi_list_certs(ctx, out, p); | |
324 | break; | |
325 | ||
326 | case CAPI_CMD_LIST_CONTAINERS: | |
327 | ret = capi_list_containers(ctx, out); | |
328 | break; | |
329 | ||
c621c7e4 | 330 | case CAPI_CMD_STORE_NAME: |
953174f4 DSH |
331 | if (ctx->storename) |
332 | OPENSSL_free(ctx->storename); | |
c621c7e4 DSH |
333 | ctx->storename = BUF_strdup(p); |
334 | CAPI_trace(ctx, "Setting store name to %s\n", p); | |
335 | break; | |
336 | ||
46d47828 DSH |
337 | case CAPI_CMD_STORE_FLAGS: |
338 | if (i & 1) | |
339 | { | |
340 | ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
341 | ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER; | |
342 | } | |
343 | else | |
344 | { | |
345 | ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER; | |
346 | ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
347 | } | |
348 | CAPI_trace(ctx, "Setting flags to %d\n", i); | |
349 | break; | |
350 | ||
7a18ecb2 DSH |
351 | case CAPI_CMD_DEBUG_LEVEL: |
352 | ctx->debug_level = (int)i; | |
353 | CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level); | |
354 | break; | |
355 | ||
356 | case CAPI_CMD_DEBUG_FILE: | |
357 | ctx->debug_file = BUF_strdup(p); | |
358 | CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file); | |
359 | break; | |
360 | ||
361 | case CAPI_CMD_KEYTYPE: | |
362 | ctx->keytype = i; | |
363 | CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype); | |
364 | break; | |
365 | ||
366 | case CAPI_CMD_SET_CSP_IDX: | |
367 | ret = capi_ctx_set_provname_idx(ctx, i); | |
368 | break; | |
369 | ||
370 | case CAPI_CMD_LIST_OPTIONS: | |
371 | ctx->dump_flags = i; | |
372 | break; | |
373 | ||
374 | case CAPI_CMD_LOOKUP_METHOD: | |
375 | if (i < 1 || i > 3) | |
376 | { | |
377 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD); | |
378 | return 0; | |
379 | } | |
380 | ctx->lookup_method = i; | |
381 | break; | |
382 | ||
383 | case CAPI_CMD_SET_CSP_NAME: | |
384 | ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1); | |
385 | break; | |
386 | ||
387 | case CAPI_CMD_SET_CSP_TYPE: | |
388 | ctx->csptype = i; | |
389 | break; | |
390 | ||
391 | default: | |
392 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND); | |
393 | ret = 0; | |
394 | } | |
395 | ||
396 | BIO_free(out); | |
397 | return ret; | |
398 | ||
2aa2a577 | 399 | } |
7a18ecb2 DSH |
400 | |
401 | static RSA_METHOD capi_rsa_method = | |
402 | { | |
403 | "CryptoAPI RSA method", | |
404 | 0, /* pub_enc */ | |
405 | 0, /* pub_dec */ | |
406 | capi_rsa_priv_enc, /* priv_enc */ | |
407 | capi_rsa_priv_dec, /* priv_dec */ | |
408 | 0, /* rsa_mod_exp */ | |
409 | 0, /* bn_mod_exp */ | |
410 | 0, /* init */ | |
411 | capi_rsa_free, /* finish */ | |
412 | RSA_FLAG_SIGN_VER, /* flags */ | |
413 | NULL, /* app_data */ | |
414 | capi_rsa_sign, /* rsa_sign */ | |
415 | 0 /* rsa_verify */ | |
416 | }; | |
417 | ||
418 | static DSA_METHOD capi_dsa_method = | |
419 | { | |
420 | "CryptoAPI DSA method", | |
421 | capi_dsa_do_sign, /* dsa_do_sign */ | |
422 | 0, /* dsa_sign_setup */ | |
423 | 0, /* dsa_do_verify */ | |
424 | 0, /* dsa_mod_exp */ | |
425 | 0, /* bn_mod_exp */ | |
426 | 0, /* init */ | |
427 | capi_dsa_free, /* finish */ | |
428 | 0, /* flags */ | |
429 | NULL, /* app_data */ | |
430 | 0, /* dsa_paramgen */ | |
431 | 0 /* dsa_keygen */ | |
432 | }; | |
433 | ||
434 | static int capi_init(ENGINE *e) | |
435 | { | |
436 | CAPI_CTX *ctx; | |
437 | const RSA_METHOD *ossl_rsa_meth; | |
438 | const DSA_METHOD *ossl_dsa_meth; | |
439 | capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
7d537d4f | 440 | cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0); |
7a18ecb2 DSH |
441 | |
442 | ctx = capi_ctx_new(); | |
443 | if (!ctx || (capi_idx < 0)) | |
444 | goto memerr; | |
445 | ||
446 | ENGINE_set_ex_data(e, capi_idx, ctx); | |
447 | /* Setup RSA_METHOD */ | |
448 | rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
449 | ossl_rsa_meth = RSA_PKCS1_SSLeay(); | |
450 | capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc; | |
451 | capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec; | |
452 | capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp; | |
453 | capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp; | |
454 | ||
455 | /* Setup DSA Method */ | |
456 | dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
457 | ossl_dsa_meth = DSA_OpenSSL(); | |
458 | capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify; | |
459 | capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp; | |
460 | capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp; | |
461 | ||
1cd504e7 DSH |
462 | #ifdef OPENSSL_CAPIENG_DIALOG |
463 | { | |
464 | HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL")); | |
01483c26 | 465 | HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL")); |
1cd504e7 DSH |
466 | if (cryptui) |
467 | ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore"); | |
468 | if (kernel) | |
469 | ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow"); | |
46d47828 | 470 | if (cryptui && !OPENSSL_isservice()) |
1cd504e7 DSH |
471 | ctx->client_cert_select = cert_select_dialog; |
472 | } | |
473 | #endif | |
474 | ||
475 | ||
7a18ecb2 DSH |
476 | return 1; |
477 | ||
478 | memerr: | |
479 | CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE); | |
480 | return 0; | |
481 | ||
482 | return 1; | |
483 | } | |
484 | ||
485 | static int capi_destroy(ENGINE *e) | |
486 | { | |
7a18ecb2 DSH |
487 | ERR_unload_CAPI_strings(); |
488 | return 1; | |
489 | } | |
490 | ||
491 | static int capi_finish(ENGINE *e) | |
492 | { | |
493 | CAPI_CTX *ctx; | |
494 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
495 | capi_ctx_free(ctx); | |
496 | ENGINE_set_ex_data(e, capi_idx, NULL); | |
497 | return 1; | |
498 | } | |
499 | ||
500 | ||
501 | /* CryptoAPI key application data. This contains | |
502 | * a handle to the private key container (for sign operations) | |
503 | * and a handle to the key (for decrypt operations). | |
504 | */ | |
505 | ||
506 | struct CAPI_KEY_st | |
507 | { | |
7d537d4f | 508 | /* Associated certificate context (if any) */ |
e0f7b872 | 509 | PCCERT_CONTEXT pcert; |
7a18ecb2 DSH |
510 | HCRYPTPROV hprov; |
511 | HCRYPTKEY key; | |
4be0a5d4 | 512 | DWORD keyspec; |
7a18ecb2 DSH |
513 | }; |
514 | ||
515 | static int bind_capi(ENGINE *e) | |
516 | { | |
517 | if (!ENGINE_set_id(e, engine_capi_id) | |
518 | || !ENGINE_set_name(e, engine_capi_name) | |
519 | || !ENGINE_set_init_function(e, capi_init) | |
520 | || !ENGINE_set_finish_function(e, capi_finish) | |
521 | || !ENGINE_set_destroy_function(e, capi_destroy) | |
522 | || !ENGINE_set_RSA(e, &capi_rsa_method) | |
523 | || !ENGINE_set_DSA(e, &capi_dsa_method) | |
524 | || !ENGINE_set_load_privkey_function(e, capi_load_privkey) | |
b3c8dd4e DSH |
525 | || !ENGINE_set_load_ssl_client_cert_function(e, |
526 | capi_load_ssl_client_cert) | |
7a18ecb2 DSH |
527 | || !ENGINE_set_cmd_defns(e, capi_cmd_defns) |
528 | || !ENGINE_set_ctrl_function(e, capi_ctrl)) | |
529 | return 0; | |
530 | ERR_load_CAPI_strings(); | |
531 | ||
532 | return 1; | |
533 | ||
534 | } | |
535 | ||
536 | #ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
537 | static int bind_helper(ENGINE *e, const char *id) | |
538 | { | |
539 | if(id && (strcmp(id, engine_capi_id) != 0)) | |
540 | return 0; | |
541 | if(!bind_capi(e)) | |
542 | return 0; | |
543 | return 1; | |
544 | } | |
545 | IMPLEMENT_DYNAMIC_CHECK_FN() | |
546 | IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) | |
547 | #else | |
548 | static ENGINE *engine_capi(void) | |
549 | { | |
550 | ENGINE *ret = ENGINE_new(); | |
551 | if(!ret) | |
552 | return NULL; | |
553 | if(!bind_capi(ret)) | |
554 | { | |
555 | ENGINE_free(ret); | |
556 | return NULL; | |
557 | } | |
558 | return ret; | |
559 | } | |
560 | ||
561 | void ENGINE_load_capi(void) | |
562 | { | |
563 | /* Copied from eng_[openssl|dyn].c */ | |
564 | ENGINE *toadd = engine_capi(); | |
565 | if(!toadd) return; | |
566 | ENGINE_add(toadd); | |
567 | ENGINE_free(toadd); | |
568 | ERR_clear_error(); | |
569 | } | |
570 | #endif | |
571 | ||
572 | ||
573 | static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen) | |
574 | { | |
575 | int i; | |
576 | /* Reverse buffer in place: since this is a keyblob structure | |
577 | * that will be freed up after conversion anyway it doesn't | |
578 | * matter if we change it. | |
579 | */ | |
580 | for(i = 0; i < binlen / 2; i++) | |
581 | { | |
582 | unsigned char c; | |
583 | c = bin[i]; | |
584 | bin[i] = bin[binlen - i - 1]; | |
585 | bin[binlen - i - 1] = c; | |
586 | } | |
587 | ||
588 | if (!BN_bin2bn(bin, binlen, bn)) | |
589 | return 0; | |
590 | return 1; | |
591 | } | |
592 | ||
b3c8dd4e DSH |
593 | /* Given a CAPI_KEY get an EVP_PKEY structure */ |
594 | ||
595 | static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key) | |
7a18ecb2 | 596 | { |
7a18ecb2 DSH |
597 | unsigned char *pubkey = NULL; |
598 | DWORD len; | |
599 | BLOBHEADER *bh; | |
600 | RSA *rkey = NULL; | |
601 | DSA *dkey = NULL; | |
b3c8dd4e | 602 | EVP_PKEY *ret = NULL; |
7a18ecb2 DSH |
603 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) |
604 | { | |
b3c8dd4e | 605 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); |
7a18ecb2 DSH |
606 | capi_addlasterror(); |
607 | return NULL; | |
608 | } | |
609 | ||
610 | pubkey = OPENSSL_malloc(len); | |
611 | ||
612 | if (!pubkey) | |
613 | goto memerr; | |
614 | ||
615 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) | |
616 | { | |
b3c8dd4e | 617 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR); |
7a18ecb2 DSH |
618 | capi_addlasterror(); |
619 | goto err; | |
620 | } | |
621 | ||
622 | bh = (BLOBHEADER *)pubkey; | |
623 | if (bh->bType != PUBLICKEYBLOB) | |
624 | { | |
b3c8dd4e | 625 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); |
7a18ecb2 DSH |
626 | goto err; |
627 | } | |
628 | if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) | |
629 | { | |
630 | RSAPUBKEY *rp; | |
631 | DWORD rsa_modlen; | |
632 | unsigned char *rsa_modulus; | |
633 | rp = (RSAPUBKEY *)(bh + 1); | |
634 | if (rp->magic != 0x31415352) | |
635 | { | |
636 | char magstr[10]; | |
637 | BIO_snprintf(magstr, 10, "%lx", rp->magic); | |
b3c8dd4e | 638 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); |
7a18ecb2 DSH |
639 | ERR_add_error_data(2, "magic=0x", magstr); |
640 | goto err; | |
641 | } | |
642 | rsa_modulus = (unsigned char *)(rp + 1); | |
643 | rkey = RSA_new_method(eng); | |
644 | if (!rkey) | |
645 | goto memerr; | |
646 | ||
647 | rkey->e = BN_new(); | |
648 | rkey->n = BN_new(); | |
649 | ||
650 | if (!rkey->e || !rkey->n) | |
651 | goto memerr; | |
652 | ||
653 | if (!BN_set_word(rkey->e, rp->pubexp)) | |
654 | goto memerr; | |
655 | ||
656 | rsa_modlen = rp->bitlen / 8; | |
657 | if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen)) | |
658 | goto memerr; | |
659 | ||
660 | RSA_set_ex_data(rkey, rsa_capi_idx, key); | |
661 | ||
662 | if (!(ret = EVP_PKEY_new())) | |
663 | goto memerr; | |
664 | ||
665 | EVP_PKEY_assign_RSA(ret, rkey); | |
666 | rkey = NULL; | |
667 | ||
668 | } | |
669 | else if (bh->aiKeyAlg == CALG_DSS_SIGN) | |
670 | { | |
671 | DSSPUBKEY *dp; | |
672 | DWORD dsa_plen; | |
673 | unsigned char *btmp; | |
674 | dp = (DSSPUBKEY *)(bh + 1); | |
675 | if (dp->magic != 0x31535344) | |
676 | { | |
677 | char magstr[10]; | |
678 | BIO_snprintf(magstr, 10, "%lx", dp->magic); | |
b3c8dd4e | 679 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); |
7a18ecb2 DSH |
680 | ERR_add_error_data(2, "magic=0x", magstr); |
681 | goto err; | |
682 | } | |
683 | dsa_plen = dp->bitlen / 8; | |
684 | btmp = (unsigned char *)(dp + 1); | |
685 | dkey = DSA_new_method(eng); | |
686 | if (!dkey) | |
687 | goto memerr; | |
688 | dkey->p = BN_new(); | |
689 | dkey->q = BN_new(); | |
690 | dkey->g = BN_new(); | |
691 | dkey->pub_key = BN_new(); | |
692 | if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key) | |
693 | goto memerr; | |
694 | if (!lend_tobn(dkey->p, btmp, dsa_plen)) | |
695 | goto memerr; | |
696 | btmp += dsa_plen; | |
697 | if (!lend_tobn(dkey->q, btmp, 20)) | |
698 | goto memerr; | |
699 | btmp += 20; | |
700 | if (!lend_tobn(dkey->g, btmp, dsa_plen)) | |
701 | goto memerr; | |
702 | btmp += dsa_plen; | |
703 | if (!lend_tobn(dkey->pub_key, btmp, dsa_plen)) | |
704 | goto memerr; | |
705 | btmp += dsa_plen; | |
706 | ||
707 | DSA_set_ex_data(dkey, dsa_capi_idx, key); | |
708 | ||
709 | if (!(ret = EVP_PKEY_new())) | |
710 | goto memerr; | |
711 | ||
712 | EVP_PKEY_assign_DSA(ret, dkey); | |
713 | dkey = NULL; | |
714 | } | |
715 | else | |
716 | { | |
717 | char algstr[10]; | |
718 | BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg); | |
b3c8dd4e | 719 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); |
7a18ecb2 DSH |
720 | ERR_add_error_data(2, "aiKeyAlg=0x", algstr); |
721 | goto err; | |
722 | } | |
723 | ||
b3c8dd4e | 724 | |
7a18ecb2 DSH |
725 | err: |
726 | if (pubkey) | |
727 | OPENSSL_free(pubkey); | |
728 | if (!ret) | |
729 | { | |
730 | if (rkey) | |
731 | RSA_free(rkey); | |
732 | if (dkey) | |
733 | DSA_free(dkey); | |
7a18ecb2 DSH |
734 | } |
735 | ||
736 | return ret; | |
737 | ||
738 | memerr: | |
9be8035b | 739 | CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE); |
7a18ecb2 DSH |
740 | goto err; |
741 | ||
742 | } | |
743 | ||
b3c8dd4e DSH |
744 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, |
745 | UI_METHOD *ui_method, void *callback_data) | |
746 | { | |
747 | CAPI_CTX *ctx; | |
748 | CAPI_KEY *key; | |
749 | EVP_PKEY *ret; | |
750 | ctx = ENGINE_get_ex_data(eng, capi_idx); | |
751 | ||
752 | if (!ctx) | |
753 | { | |
754 | CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); | |
755 | return NULL; | |
756 | } | |
757 | ||
758 | key = capi_find_key(ctx, key_id); | |
759 | ||
760 | if (!key) | |
761 | return NULL; | |
762 | ||
763 | ret = capi_get_pkey(eng, key); | |
764 | ||
765 | if (!ret) | |
766 | capi_free_key(key); | |
767 | return ret; | |
768 | ||
769 | } | |
770 | ||
7a18ecb2 DSH |
771 | /* CryptoAPI RSA operations */ |
772 | ||
773 | int capi_rsa_priv_enc(int flen, const unsigned char *from, | |
774 | unsigned char *to, RSA *rsa, int padding) | |
775 | { | |
776 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED); | |
777 | return -1; | |
778 | } | |
779 | ||
780 | int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, | |
781 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa) | |
782 | { | |
783 | ALG_ID alg; | |
784 | HCRYPTHASH hash; | |
785 | DWORD slen; | |
786 | unsigned int i; | |
787 | int ret = -1; | |
788 | CAPI_KEY *capi_key; | |
789 | CAPI_CTX *ctx; | |
790 | ||
791 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
792 | ||
793 | CAPI_trace(ctx, "Called CAPI_rsa_sign()\n"); | |
794 | ||
795 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
796 | if (!capi_key) | |
797 | { | |
798 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY); | |
799 | return -1; | |
800 | } | |
801 | /* Convert the signature type to a CryptoAPI algorithm ID */ | |
2aa2a577 DSH |
802 | switch(dtype) |
803 | { | |
7a18ecb2 DSH |
804 | case NID_sha1: |
805 | alg = CALG_SHA1; | |
806 | break; | |
807 | ||
808 | case NID_md5: | |
809 | alg = CALG_MD5; | |
810 | break; | |
811 | ||
812 | case NID_md5_sha1: | |
813 | alg = CALG_SSL3_SHAMD5; | |
814 | break; | |
815 | default: | |
816 | { | |
817 | char algstr[10]; | |
818 | BIO_snprintf(algstr, 10, "%lx", dtype); | |
819 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID); | |
820 | ERR_add_error_data(2, "NID=0x", algstr); | |
821 | return -1; | |
822 | } | |
823 | } | |
824 | ||
825 | ||
826 | ||
827 | /* Create the hash object */ | |
2aa2a577 DSH |
828 | if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) |
829 | { | |
7a18ecb2 DSH |
830 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); |
831 | capi_addlasterror(); | |
832 | return -1; | |
2aa2a577 | 833 | } |
7a18ecb2 DSH |
834 | /* Set the hash value to the value passed */ |
835 | ||
2aa2a577 DSH |
836 | if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) |
837 | { | |
7a18ecb2 DSH |
838 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE); |
839 | capi_addlasterror(); | |
840 | goto err; | |
2aa2a577 | 841 | } |
7a18ecb2 DSH |
842 | |
843 | ||
844 | /* Finally sign it */ | |
845 | slen = RSA_size(rsa); | |
01483c26 | 846 | if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) |
2aa2a577 | 847 | { |
7a18ecb2 DSH |
848 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH); |
849 | capi_addlasterror(); | |
850 | goto err; | |
2aa2a577 DSH |
851 | } |
852 | else | |
853 | { | |
7a18ecb2 DSH |
854 | ret = 1; |
855 | /* Inplace byte reversal of signature */ | |
2aa2a577 DSH |
856 | for(i = 0; i < slen / 2; i++) |
857 | { | |
7a18ecb2 DSH |
858 | unsigned char c; |
859 | c = sigret[i]; | |
860 | sigret[i] = sigret[slen - i - 1]; | |
861 | sigret[slen - i - 1] = c; | |
2aa2a577 | 862 | } |
7a18ecb2 | 863 | *siglen = slen; |
2aa2a577 | 864 | } |
7a18ecb2 | 865 | |
7a18ecb2 DSH |
866 | /* Now cleanup */ |
867 | ||
868 | err: | |
869 | CryptDestroyHash(hash); | |
870 | ||
871 | return ret; | |
2aa2a577 | 872 | } |
7a18ecb2 DSH |
873 | |
874 | int capi_rsa_priv_dec(int flen, const unsigned char *from, | |
875 | unsigned char *to, RSA *rsa, int padding) | |
2aa2a577 | 876 | { |
7a18ecb2 DSH |
877 | int i; |
878 | unsigned char *tmpbuf; | |
879 | CAPI_KEY *capi_key; | |
880 | CAPI_CTX *ctx; | |
881 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
882 | ||
883 | CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n"); | |
884 | ||
885 | ||
886 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
887 | if (!capi_key) | |
888 | { | |
889 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY); | |
890 | return -1; | |
891 | } | |
892 | ||
893 | if(padding != RSA_PKCS1_PADDING) | |
894 | { | |
895 | char errstr[10]; | |
896 | BIO_snprintf(errstr, 10, "%d", padding); | |
897 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING); | |
898 | ERR_add_error_data(2, "padding=", errstr); | |
899 | return -1; | |
900 | } | |
901 | ||
902 | /* Create temp reverse order version of input */ | |
903 | if(!(tmpbuf = OPENSSL_malloc(flen)) ) | |
904 | { | |
905 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE); | |
906 | return -1; | |
907 | } | |
908 | for(i = 0; i < flen; i++) | |
909 | tmpbuf[flen - i - 1] = from[i]; | |
910 | ||
911 | /* Finally decrypt it */ | |
912 | if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) | |
913 | { | |
914 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR); | |
915 | capi_addlasterror(); | |
916 | OPENSSL_free(tmpbuf); | |
917 | return -1; | |
918 | } | |
919 | else memcpy(to, tmpbuf, flen); | |
920 | ||
921 | OPENSSL_free(tmpbuf); | |
922 | ||
923 | return flen; | |
2aa2a577 | 924 | } |
7a18ecb2 DSH |
925 | |
926 | static int capi_rsa_free(RSA *rsa) | |
927 | { | |
928 | CAPI_KEY *capi_key; | |
929 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
930 | capi_free_key(capi_key); | |
931 | RSA_set_ex_data(rsa, rsa_capi_idx, 0); | |
932 | return 1; | |
933 | } | |
934 | ||
935 | /* CryptoAPI DSA operations */ | |
936 | ||
937 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
938 | DSA *dsa) | |
939 | { | |
940 | HCRYPTHASH hash; | |
941 | DWORD slen; | |
942 | DSA_SIG *ret = NULL; | |
943 | CAPI_KEY *capi_key; | |
944 | CAPI_CTX *ctx; | |
945 | unsigned char csigbuf[40]; | |
946 | ||
947 | ctx = ENGINE_get_ex_data(dsa->engine, capi_idx); | |
948 | ||
949 | CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n"); | |
950 | ||
951 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
952 | ||
953 | if (!capi_key) | |
954 | { | |
955 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY); | |
956 | return NULL; | |
957 | } | |
958 | ||
959 | if (dlen != 20) | |
960 | { | |
961 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH); | |
962 | return NULL; | |
963 | } | |
964 | ||
965 | /* Create the hash object */ | |
2aa2a577 DSH |
966 | if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) |
967 | { | |
7a18ecb2 DSH |
968 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); |
969 | capi_addlasterror(); | |
970 | return NULL; | |
2aa2a577 | 971 | } |
7a18ecb2 DSH |
972 | |
973 | /* Set the hash value to the value passed */ | |
2aa2a577 DSH |
974 | if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) |
975 | { | |
7a18ecb2 DSH |
976 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE); |
977 | capi_addlasterror(); | |
978 | goto err; | |
2aa2a577 | 979 | } |
7a18ecb2 DSH |
980 | |
981 | ||
982 | /* Finally sign it */ | |
983 | slen = sizeof(csigbuf); | |
01483c26 | 984 | if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) |
7a18ecb2 DSH |
985 | { |
986 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
987 | capi_addlasterror(); | |
988 | goto err; | |
989 | } | |
990 | else | |
991 | { | |
992 | ret = DSA_SIG_new(); | |
993 | if (!ret) | |
994 | goto err; | |
995 | ret->r = BN_new(); | |
996 | ret->s = BN_new(); | |
997 | if (!ret->r || !ret->s) | |
998 | goto err; | |
999 | if (!lend_tobn(ret->r, csigbuf, 20) | |
1000 | || !lend_tobn(ret->s, csigbuf + 20, 20)) | |
1001 | { | |
1002 | DSA_SIG_free(ret); | |
1003 | ret = NULL; | |
1004 | goto err; | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | /* Now cleanup */ | |
1009 | ||
1010 | err: | |
1011 | OPENSSL_cleanse(csigbuf, 40); | |
1012 | CryptDestroyHash(hash); | |
1013 | return ret; | |
1014 | } | |
1015 | ||
1016 | static int capi_dsa_free(DSA *dsa) | |
1017 | { | |
1018 | CAPI_KEY *capi_key; | |
1019 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
1020 | capi_free_key(capi_key); | |
1021 | DSA_set_ex_data(dsa, dsa_capi_idx, 0); | |
1022 | return 1; | |
1023 | } | |
1024 | ||
1025 | static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr) | |
1026 | { | |
1027 | BIO *out; | |
1028 | ||
1029 | if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file)) | |
1030 | return; | |
1031 | out = BIO_new_file(ctx->debug_file, "a+"); | |
1032 | BIO_vprintf(out, format, argptr); | |
1033 | BIO_free(out); | |
1034 | } | |
1035 | ||
1036 | static void CAPI_trace(CAPI_CTX *ctx, char *format, ...) | |
1037 | { | |
1038 | va_list args; | |
1039 | va_start(args, format); | |
1040 | capi_vtrace(ctx, CAPI_DBG_TRACE, format, args); | |
1041 | va_end(args); | |
1042 | } | |
1043 | ||
1044 | static void capi_addlasterror(void) | |
1045 | { | |
1046 | capi_adderror(GetLastError()); | |
1047 | } | |
1048 | ||
1049 | static void capi_adderror(DWORD err) | |
1050 | { | |
1051 | char errstr[10]; | |
1052 | BIO_snprintf(errstr, 10, "%lX", err); | |
1053 | ERR_add_error_data(2, "Error code= 0x", errstr); | |
1054 | } | |
1055 | ||
1056 | static char *wide_to_asc(LPWSTR wstr) | |
1057 | { | |
1058 | char *str; | |
01483c26 AP |
1059 | int len_0,sz; |
1060 | ||
7a18ecb2 DSH |
1061 | if (!wstr) |
1062 | return NULL; | |
01483c26 AP |
1063 | len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */ |
1064 | sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL); | |
1065 | if (!sz) | |
1066 | { | |
1067 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1068 | return NULL; | |
1069 | } | |
1070 | str = OPENSSL_malloc(sz); | |
7a18ecb2 DSH |
1071 | if (!str) |
1072 | { | |
1073 | CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE); | |
1074 | return NULL; | |
1075 | } | |
01483c26 AP |
1076 | if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL)) |
1077 | { | |
1078 | OPENSSL_free(str); | |
1079 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1080 | return NULL; | |
1081 | } | |
7a18ecb2 DSH |
1082 | return str; |
1083 | } | |
1084 | ||
1085 | static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx) | |
1086 | { | |
1087 | LPSTR name; | |
1088 | DWORD len, err; | |
1089 | CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx); | |
01483c26 | 1090 | if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len)) |
7a18ecb2 DSH |
1091 | { |
1092 | err = GetLastError(); | |
1093 | if (err == ERROR_NO_MORE_ITEMS) | |
1094 | return 2; | |
1095 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1096 | capi_adderror(err); | |
1097 | return 0; | |
1098 | } | |
1099 | name = OPENSSL_malloc(len); | |
01483c26 | 1100 | if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len)) |
7a18ecb2 DSH |
1101 | { |
1102 | err = GetLastError(); | |
1103 | if (err == ERROR_NO_MORE_ITEMS) | |
1104 | return 2; | |
1105 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1106 | capi_adderror(err); | |
1107 | return 0; | |
1108 | } | |
1109 | *pname = name; | |
1110 | CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype); | |
1111 | ||
1112 | return 1; | |
1113 | } | |
1114 | ||
1115 | static int capi_list_providers(CAPI_CTX *ctx, BIO *out) | |
1116 | { | |
1117 | DWORD idx, ptype; | |
1118 | int ret; | |
01483c26 | 1119 | LPSTR provname = NULL; |
7a18ecb2 DSH |
1120 | CAPI_trace(ctx, "capi_list_providers\n"); |
1121 | BIO_printf(out, "Available CSPs:\n"); | |
1122 | for(idx = 0; ; idx++) | |
1123 | { | |
1124 | ret = capi_get_provname(ctx, &provname, &ptype, idx); | |
1125 | if (ret == 2) | |
1126 | break; | |
1127 | if (ret == 0) | |
1128 | break; | |
1129 | BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype); | |
1130 | OPENSSL_free(provname); | |
1131 | } | |
1132 | return 1; | |
1133 | } | |
1134 | ||
1135 | static int capi_list_containers(CAPI_CTX *ctx, BIO *out) | |
1136 | { | |
1137 | int ret = 1; | |
1138 | HCRYPTPROV hprov; | |
1139 | DWORD err, idx, flags, buflen = 0, clen; | |
1140 | LPSTR cname; | |
1141 | CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype); | |
01483c26 | 1142 | if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) |
7a18ecb2 DSH |
1143 | { |
1144 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1145 | capi_addlasterror(); | |
1146 | return 0; | |
1147 | } | |
1148 | if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) | |
1149 | { | |
1150 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1151 | capi_addlasterror(); | |
1152 | return 0; | |
1153 | } | |
1154 | CAPI_trace(ctx, "Got max container len %d\n", buflen); | |
1155 | if (buflen == 0) | |
1156 | buflen = 1024; | |
1157 | cname = OPENSSL_malloc(buflen); | |
1158 | if (!cname) | |
1159 | { | |
1160 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1161 | goto err; | |
1162 | } | |
1163 | ||
1164 | for (idx = 0;;idx++) | |
1165 | { | |
2aa2a577 DSH |
1166 | clen = buflen; |
1167 | cname[0] = 0; | |
1168 | ||
1169 | if (idx == 0) | |
1170 | flags = CRYPT_FIRST; | |
1171 | else | |
1172 | flags = 0; | |
1173 | if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags)) | |
1174 | { | |
1175 | err = GetLastError(); | |
1176 | if (err == ERROR_NO_MORE_ITEMS) | |
7a18ecb2 | 1177 | goto done; |
2aa2a577 DSH |
1178 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); |
1179 | capi_adderror(err); | |
1180 | goto err; | |
1181 | } | |
1182 | CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags); | |
1183 | if (!cname[0] && (clen == buflen)) | |
1184 | { | |
1185 | CAPI_trace(ctx, "Enumerate bug: using workaround\n"); | |
1186 | goto done; | |
1187 | } | |
1188 | BIO_printf(out, "%d. %s\n", idx, cname); | |
7a18ecb2 DSH |
1189 | } |
1190 | err: | |
1191 | ||
1192 | ret = 0; | |
1193 | ||
1194 | done: | |
1195 | if (cname) | |
1196 | OPENSSL_free(cname); | |
1197 | CryptReleaseContext(hprov, 0); | |
1198 | ||
1199 | return ret; | |
1200 | } | |
1201 | ||
1202 | CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert) | |
1203 | { | |
1204 | DWORD len; | |
1205 | CRYPT_KEY_PROV_INFO *pinfo; | |
1206 | ||
1207 | if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len)) | |
1208 | return NULL; | |
1209 | pinfo = OPENSSL_malloc(len); | |
1210 | if (!pinfo) | |
1211 | { | |
1212 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE); | |
1213 | return NULL; | |
1214 | } | |
1215 | if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) | |
1216 | { | |
1217 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO); | |
1218 | capi_addlasterror(); | |
1219 | OPENSSL_free(pinfo); | |
1220 | return NULL; | |
1221 | } | |
1222 | return pinfo; | |
1223 | } | |
1224 | ||
1225 | static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo) | |
1226 | { | |
1227 | char *provname = NULL, *contname = NULL; | |
1228 | if (!pinfo) | |
1229 | { | |
1230 | BIO_printf(out, " No Private Key\n"); | |
1231 | return; | |
1232 | } | |
1233 | provname = wide_to_asc(pinfo->pwszProvName); | |
1234 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1235 | if (!provname || !contname) | |
1236 | goto err; | |
1237 | ||
1238 | BIO_printf(out, " Private Key Info:\n"); | |
1239 | BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType); | |
1240 | BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec); | |
1241 | err: | |
1242 | if (provname) | |
1243 | OPENSSL_free(provname); | |
1244 | if (contname) | |
1245 | OPENSSL_free(contname); | |
1246 | } | |
1247 | ||
1248 | char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert) | |
1249 | { | |
1250 | LPWSTR wfname; | |
1251 | DWORD dlen; | |
1252 | ||
1253 | CAPI_trace(ctx, "capi_cert_get_fname\n"); | |
1254 | if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen)) | |
1255 | return NULL; | |
1256 | wfname = OPENSSL_malloc(dlen); | |
1257 | if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) | |
1258 | { | |
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 | ||
1271 | void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert) | |
1272 | { | |
1273 | X509 *x; | |
1274 | unsigned char *p; | |
1275 | unsigned long flags = ctx->dump_flags; | |
1276 | if (flags & CAPI_DMP_FNAME) | |
1277 | { | |
1278 | char *fname; | |
1279 | fname = capi_cert_get_fname(ctx, cert); | |
1280 | if (fname) | |
1281 | { | |
1282 | BIO_printf(out, " Friendly Name \"%s\"\n", fname); | |
1283 | OPENSSL_free(fname); | |
1284 | } | |
1285 | else | |
1286 | BIO_printf(out, " <No Friendly Name>\n"); | |
1287 | } | |
1288 | ||
1289 | p = cert->pbCertEncoded; | |
1290 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1291 | if (!x) | |
1292 | BIO_printf(out, " <Can't parse certificate>\n"); | |
1293 | if (flags & CAPI_DMP_SUMMARY) | |
1294 | { | |
1295 | BIO_printf(out, " Subject: "); | |
1296 | X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE); | |
1297 | BIO_printf(out, "\n Issuer: "); | |
1298 | X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE); | |
1299 | BIO_printf(out, "\n"); | |
1300 | } | |
1301 | if (flags & CAPI_DMP_FULL) | |
1302 | X509_print_ex(out, x, XN_FLAG_ONELINE,0); | |
1303 | ||
1304 | if (flags & CAPI_DMP_PKEYINFO) | |
1305 | { | |
1306 | CRYPT_KEY_PROV_INFO *pinfo; | |
1307 | pinfo = capi_get_prov_info(ctx, cert); | |
1308 | capi_dump_prov_info(ctx, out, pinfo); | |
1309 | if (pinfo) | |
1310 | OPENSSL_free(pinfo); | |
1311 | } | |
1312 | ||
1313 | if (flags & CAPI_DMP_PEM) | |
1314 | PEM_write_bio_X509(out, x); | |
1315 | X509_free(x); | |
1316 | } | |
1317 | ||
1318 | HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename) | |
1319 | { | |
1320 | HCERTSTORE hstore; | |
1321 | ||
1322 | if (!storename) | |
1323 | storename = ctx->storename; | |
1324 | if (!storename) | |
1325 | storename = "MY"; | |
1326 | CAPI_trace(ctx, "Opening certificate store %s\n", storename); | |
1327 | ||
46d47828 DSH |
1328 | hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0, |
1329 | ctx->store_flags, storename); | |
7a18ecb2 DSH |
1330 | if (!hstore) |
1331 | { | |
1332 | CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE); | |
1333 | capi_addlasterror(); | |
1334 | } | |
1335 | return hstore; | |
1336 | } | |
1337 | ||
1338 | int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id) | |
1339 | { | |
1340 | char *storename; | |
1341 | int idx; | |
1342 | int ret = 1; | |
1343 | HCERTSTORE hstore; | |
1344 | PCCERT_CONTEXT cert = NULL; | |
1345 | ||
1346 | storename = ctx->storename; | |
1347 | if (!storename) | |
1348 | storename = "MY"; | |
1349 | CAPI_trace(ctx, "Listing certs for store %s\n", storename); | |
1350 | ||
1351 | hstore = capi_open_store(ctx, storename); | |
1352 | if (!hstore) | |
1353 | return 0; | |
1354 | if (id) | |
1355 | { | |
1356 | cert = capi_find_cert(ctx, id, hstore); | |
1357 | if (!cert) | |
1358 | { | |
1359 | ret = 0; | |
1360 | goto err; | |
1361 | } | |
1362 | capi_dump_cert(ctx, out, cert); | |
1363 | CertFreeCertificateContext(cert); | |
1364 | } | |
1365 | else | |
1366 | { | |
1367 | for(idx = 0;;idx++) | |
1368 | { | |
1369 | LPWSTR fname = NULL; | |
1370 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1371 | if (!cert) | |
1372 | break; | |
1373 | BIO_printf(out, "Certificate %d\n", idx); | |
1374 | capi_dump_cert(ctx, out, cert); | |
1375 | } | |
1376 | } | |
1377 | err: | |
1378 | CertCloseStore(hstore, 0); | |
1379 | return ret; | |
1380 | } | |
1381 | ||
1382 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore) | |
1383 | { | |
1384 | PCCERT_CONTEXT cert = NULL; | |
1385 | char *fname = NULL; | |
1386 | int match; | |
1387 | switch(ctx->lookup_method) | |
1388 | { | |
1389 | case CAPI_LU_SUBSTR: | |
2aa2a577 DSH |
1390 | return CertFindCertificateInStore(hstore, |
1391 | X509_ASN_ENCODING, 0, | |
1392 | CERT_FIND_SUBJECT_STR_A, id, NULL); | |
7a18ecb2 DSH |
1393 | case CAPI_LU_FNAME: |
1394 | for(;;) | |
1395 | { | |
1396 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1397 | if (!cert) | |
1398 | return NULL; | |
1399 | fname = capi_cert_get_fname(ctx, cert); | |
1400 | if (fname) | |
1401 | { | |
1402 | if (strcmp(fname, id)) | |
1403 | match = 0; | |
1404 | else | |
1405 | match = 1; | |
1406 | OPENSSL_free(fname); | |
1407 | if (match) | |
1408 | return cert; | |
1409 | } | |
1410 | } | |
1411 | default: | |
1412 | return NULL; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec) | |
1417 | { | |
1418 | CAPI_KEY *key; | |
1419 | key = OPENSSL_malloc(sizeof(CAPI_KEY)); | |
1420 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
2aa2a577 | 1421 | contname, provname, ptype); |
01483c26 | 1422 | if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, 0)) |
7a18ecb2 DSH |
1423 | { |
1424 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1425 | capi_addlasterror(); | |
1426 | goto err; | |
1427 | } | |
1428 | if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) | |
1429 | { | |
1430 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR); | |
1431 | capi_addlasterror(); | |
1432 | CryptReleaseContext(key->hprov, 0); | |
1433 | goto err; | |
1434 | } | |
4be0a5d4 | 1435 | key->keyspec = keyspec; |
7d537d4f | 1436 | key->pcert = NULL; |
7a18ecb2 DSH |
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 | { | |
46d47828 | 1446 | CAPI_KEY *key = NULL; |
7a18ecb2 DSH |
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 | provname = wide_to_asc(pinfo->pwszProvName); | |
1453 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1454 | if (!provname || !contname) | |
46d47828 | 1455 | goto err; |
2aa2a577 DSH |
1456 | key = capi_get_key(ctx, contname, provname, |
1457 | pinfo->dwProvType, pinfo->dwKeySpec); | |
7a18ecb2 DSH |
1458 | |
1459 | err: | |
1460 | if (pinfo) | |
1461 | OPENSSL_free(pinfo); | |
1462 | if (provname) | |
1463 | OPENSSL_free(provname); | |
1464 | if (contname) | |
1465 | OPENSSL_free(contname); | |
1466 | return key; | |
1467 | } | |
1468 | ||
1469 | CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id) | |
1470 | { | |
1471 | PCCERT_CONTEXT cert; | |
1472 | HCERTSTORE hstore; | |
1473 | CAPI_KEY *key = NULL; | |
1474 | switch (ctx->lookup_method) | |
1475 | { | |
1476 | case CAPI_LU_SUBSTR: | |
1477 | case CAPI_LU_FNAME: | |
1478 | hstore = capi_open_store(ctx, NULL); | |
1479 | if (!hstore) | |
1480 | return NULL; | |
1481 | cert = capi_find_cert(ctx, id, hstore); | |
1482 | if (cert) | |
1483 | { | |
1484 | key = capi_get_cert_key(ctx, cert); | |
1485 | CertFreeCertificateContext(cert); | |
1486 | } | |
1487 | CertCloseStore(hstore, 0); | |
1488 | break; | |
1489 | ||
1490 | case CAPI_LU_CONTNAME: | |
2aa2a577 DSH |
1491 | key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, |
1492 | ctx->keytype); | |
7a18ecb2 DSH |
1493 | break; |
1494 | } | |
1495 | ||
1496 | return key; | |
1497 | } | |
1498 | ||
1499 | void capi_free_key(CAPI_KEY *key) | |
1500 | { | |
1501 | if (!key) | |
1502 | return; | |
1503 | CryptDestroyKey(key->key); | |
1504 | CryptReleaseContext(key->hprov, 0); | |
7d537d4f DSH |
1505 | if (key->pcert) |
1506 | CertFreeCertificateContext(key->pcert); | |
7a18ecb2 DSH |
1507 | OPENSSL_free(key); |
1508 | } | |
1509 | ||
1510 | ||
1511 | /* Initialize a CAPI_CTX structure */ | |
1512 | ||
1513 | static CAPI_CTX *capi_ctx_new() | |
1514 | { | |
1515 | CAPI_CTX *ctx; | |
1516 | ctx = OPENSSL_malloc(sizeof(CAPI_CTX)); | |
1517 | if (!ctx) | |
1518 | { | |
1519 | CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
1520 | return NULL; | |
1521 | } | |
1522 | ctx->cspname = NULL; | |
1523 | ctx->csptype = PROV_RSA_FULL; | |
1524 | ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME; | |
1525 | ctx->keytype = AT_KEYEXCHANGE; | |
1526 | ctx->storename = NULL; | |
b3c8dd4e | 1527 | ctx->ssl_client_store = NULL; |
46d47828 DSH |
1528 | ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG | |
1529 | CERT_STORE_READONLY_FLAG | | |
1530 | CERT_SYSTEM_STORE_CURRENT_USER; | |
7a18ecb2 DSH |
1531 | ctx->lookup_method = CAPI_LU_SUBSTR; |
1532 | ctx->debug_level = 0; | |
1533 | ctx->debug_file = NULL; | |
1cd504e7 | 1534 | ctx->client_cert_select = cert_select_simple; |
7a18ecb2 DSH |
1535 | return ctx; |
1536 | } | |
1537 | ||
1538 | static void capi_ctx_free(CAPI_CTX *ctx) | |
1539 | { | |
1540 | CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx); | |
1541 | if (!ctx) | |
1542 | return; | |
1543 | if (ctx->cspname) | |
1544 | OPENSSL_free(ctx->cspname); | |
1545 | if (ctx->debug_file) | |
1546 | OPENSSL_free(ctx->debug_file); | |
1547 | if (ctx->storename) | |
1548 | OPENSSL_free(ctx->storename); | |
b3c8dd4e DSH |
1549 | if (ctx->ssl_client_store) |
1550 | OPENSSL_free(ctx->ssl_client_store); | |
7a18ecb2 DSH |
1551 | OPENSSL_free(ctx); |
1552 | } | |
1553 | ||
1554 | static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check) | |
1555 | { | |
1556 | CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type); | |
1557 | if (check) | |
1558 | { | |
1559 | HCRYPTPROV hprov; | |
01483c26 | 1560 | if (!CryptAcquireContextA(&hprov, NULL, pname, type, |
2aa2a577 | 1561 | CRYPT_VERIFYCONTEXT)) |
7a18ecb2 DSH |
1562 | { |
1563 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1564 | capi_addlasterror(); | |
1565 | return 0; | |
1566 | } | |
1567 | CryptReleaseContext(hprov, 0); | |
1568 | } | |
1569 | ctx->cspname = BUF_strdup(pname); | |
1570 | ctx->csptype = type; | |
1571 | return 1; | |
1572 | } | |
1573 | ||
1574 | static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx) | |
1575 | { | |
1576 | LPSTR pname; | |
1577 | DWORD type; | |
1578 | if (capi_get_provname(ctx, &pname, &type, idx) != 1) | |
1579 | return 0; | |
1580 | return capi_ctx_set_provname(ctx, pname, type, 0); | |
1581 | } | |
1582 | ||
b3c8dd4e DSH |
1583 | static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x) |
1584 | { | |
1585 | int i; | |
1586 | X509_NAME *nm; | |
ca89fc1f DSH |
1587 | /* Special case: empty list: match anything */ |
1588 | if (sk_X509_NAME_num(ca_dn) <= 0) | |
1589 | return 1; | |
b3c8dd4e DSH |
1590 | for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) |
1591 | { | |
1592 | nm = sk_X509_NAME_value(ca_dn, i); | |
1593 | if (!X509_NAME_cmp(nm, X509_get_issuer_name(x))) | |
1594 | return 1; | |
1595 | } | |
1596 | return 0; | |
1597 | } | |
1598 | ||
e0f7b872 | 1599 | |
7d537d4f | 1600 | |
b3c8dd4e DSH |
1601 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, |
1602 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey, | |
1603 | STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data) | |
1604 | { | |
b3c8dd4e | 1605 | STACK_OF(X509) *certs = NULL; |
b3c8dd4e | 1606 | X509 *x; |
b3c8dd4e DSH |
1607 | char *storename; |
1608 | const char *p; | |
7d537d4f | 1609 | int i, client_cert_idx; |
b3c8dd4e | 1610 | HCERTSTORE hstore; |
7d537d4f | 1611 | PCCERT_CONTEXT cert = NULL, excert = NULL; |
b3c8dd4e | 1612 | CAPI_CTX *ctx; |
7d537d4f | 1613 | CAPI_KEY *key; |
b3c8dd4e DSH |
1614 | ctx = ENGINE_get_ex_data(e, capi_idx); |
1615 | ||
1616 | *pcert = NULL; | |
1617 | *pkey = NULL; | |
1618 | ||
1619 | storename = ctx->ssl_client_store; | |
1620 | if (!storename) | |
1621 | storename = "MY"; | |
1622 | ||
1623 | hstore = capi_open_store(ctx, storename); | |
1624 | if (!hstore) | |
1625 | return 0; | |
b814c01a | 1626 | /* Enumerate all certificates collect any matches */ |
7d537d4f | 1627 | for(i = 0;;i++) |
b3c8dd4e DSH |
1628 | { |
1629 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1630 | if (!cert) | |
1631 | break; | |
1632 | p = cert->pbCertEncoded; | |
1633 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1634 | if (!x) | |
1635 | { | |
1636 | CAPI_trace(ctx, "Can't Parse Certificate %d\n", i); | |
1637 | continue; | |
1638 | } | |
2836cb38 DSH |
1639 | if (cert_issuer_match(ca_dn, x) |
1640 | && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) | |
b3c8dd4e | 1641 | { |
7d537d4f | 1642 | key = capi_get_cert_key(ctx, cert); |
b3c8dd4e | 1643 | if (!key) |
2836cb38 DSH |
1644 | { |
1645 | X509_free(x); | |
b3c8dd4e | 1646 | continue; |
2836cb38 | 1647 | } |
b814c01a DSH |
1648 | /* Match found: attach extra data to it so |
1649 | * we can retrieve the key later. | |
1650 | */ | |
7d537d4f | 1651 | excert = CertDuplicateCertificateContext(cert); |
e0f7b872 | 1652 | key->pcert = excert; |
7d537d4f DSH |
1653 | X509_set_ex_data(x, cert_capi_idx, key); |
1654 | ||
1655 | if (!certs) | |
1656 | certs = sk_X509_new_null(); | |
1657 | ||
1658 | sk_X509_push(certs, x); | |
b3c8dd4e DSH |
1659 | } |
1660 | else | |
1661 | X509_free(x); | |
1662 | ||
1663 | } | |
1664 | ||
1665 | if (cert) | |
1666 | CertFreeCertificateContext(cert); | |
e0f7b872 DSH |
1667 | if (hstore) |
1668 | CertCloseStore(hstore, 0); | |
b3c8dd4e | 1669 | |
7d537d4f | 1670 | if (!certs) |
b3c8dd4e DSH |
1671 | return 0; |
1672 | ||
b814c01a DSH |
1673 | |
1674 | /* Select the appropriate certificate */ | |
1675 | ||
1cd504e7 | 1676 | client_cert_idx = ctx->client_cert_select(e, ssl, certs); |
7d537d4f | 1677 | |
b814c01a DSH |
1678 | /* Set the selected certificate and free the rest */ |
1679 | ||
7d537d4f DSH |
1680 | for(i = 0; i < sk_X509_num(certs); i++) |
1681 | { | |
1682 | x = sk_X509_value(certs, i); | |
1683 | if (i == client_cert_idx) | |
1684 | *pcert = x; | |
1685 | else | |
1686 | { | |
1687 | key = X509_get_ex_data(x, cert_capi_idx); | |
1688 | capi_free_key(key); | |
1689 | X509_free(x); | |
1690 | } | |
1691 | } | |
1692 | ||
1693 | sk_X509_free(certs); | |
1694 | ||
1695 | if (!*pcert) | |
1696 | return 0; | |
1697 | ||
b814c01a DSH |
1698 | /* Setup key for selected certificate */ |
1699 | ||
7d537d4f DSH |
1700 | key = X509_get_ex_data(*pcert, cert_capi_idx); |
1701 | *pkey = capi_get_pkey(e, key); | |
1702 | X509_set_ex_data(*pcert, cert_capi_idx, NULL); | |
1703 | ||
1704 | return 1; | |
1705 | ||
b3c8dd4e DSH |
1706 | } |
1707 | ||
e0f7b872 DSH |
1708 | |
1709 | /* Simple client cert selection function: always select first */ | |
1710 | ||
1cd504e7 | 1711 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
e0f7b872 DSH |
1712 | { |
1713 | return 0; | |
1714 | } | |
1715 | ||
1cd504e7 | 1716 | #ifdef OPENSSL_CAPIENG_DIALOG |
e0f7b872 DSH |
1717 | |
1718 | /* More complex cert selection function, using standard function | |
1719 | * CryptUIDlgSelectCertificateFromStore() to produce a dialog box. | |
1720 | */ | |
1721 | ||
a0f3679b DSH |
1722 | /* Definitions which are in cryptuiapi.h but this is not present in older |
1723 | * versions of headers. | |
1724 | */ | |
1725 | ||
1726 | #ifndef CRYPTUI_SELECT_LOCATION_COLUMN | |
1727 | #define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010 | |
1728 | #define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004 | |
1729 | #endif | |
e0f7b872 | 1730 | |
1381bf90 DSH |
1731 | #define dlg_title L"OpenSSL Application SSL Client Certificate Selection" |
1732 | #define dlg_prompt L"Select a certificate to use for authentication" | |
e1451bb5 DSH |
1733 | #define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \ |
1734 | |CRYPTUI_SELECT_INTENDEDUSE_COLUMN | |
1381bf90 | 1735 | |
1cd504e7 | 1736 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
e0f7b872 DSH |
1737 | { |
1738 | X509 *x; | |
1739 | HCERTSTORE dstore; | |
1740 | PCCERT_CONTEXT cert; | |
1741 | CAPI_CTX *ctx; | |
1742 | CAPI_KEY *key; | |
1381bf90 | 1743 | HWND hwnd; |
e0f7b872 | 1744 | int i, idx = -1; |
ffc2b3e9 DSH |
1745 | if (sk_X509_num(certs) == 1) |
1746 | return 0; | |
e0f7b872 DSH |
1747 | ctx = ENGINE_get_ex_data(e, capi_idx); |
1748 | /* Create an in memory store of certificates */ | |
1749 | dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, | |
1750 | CERT_STORE_CREATE_NEW_FLAG, NULL); | |
1751 | if (!dstore) | |
1752 | { | |
9be8035b | 1753 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE); |
e0f7b872 DSH |
1754 | capi_addlasterror(); |
1755 | goto err; | |
1756 | } | |
1757 | /* Add all certificates to store */ | |
1758 | for(i = 0; i < sk_X509_num(certs); i++) | |
1759 | { | |
1760 | x = sk_X509_value(certs, i); | |
1761 | key = X509_get_ex_data(x, cert_capi_idx); | |
1762 | ||
1763 | if (!CertAddCertificateContextToStore(dstore, key->pcert, | |
1764 | CERT_STORE_ADD_NEW, NULL)) | |
1765 | { | |
9be8035b | 1766 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT); |
e0f7b872 DSH |
1767 | capi_addlasterror(); |
1768 | goto err; | |
1769 | } | |
1770 | ||
1771 | } | |
a0f3679b DSH |
1772 | hwnd = GetForegroundWindow(); |
1773 | if (!hwnd) | |
1774 | hwnd = GetActiveWindow(); | |
1cd504e7 DSH |
1775 | if (!hwnd && ctx->getconswindow) |
1776 | hwnd = ctx->getconswindow(); | |
e0f7b872 | 1777 | /* Call dialog to select one */ |
1cd504e7 DSH |
1778 | cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt, |
1779 | dlg_columns, 0, NULL); | |
e0f7b872 DSH |
1780 | |
1781 | /* Find matching cert from list */ | |
1782 | if (cert) | |
1783 | { | |
1784 | for(i = 0; i < sk_X509_num(certs); i++) | |
1785 | { | |
1786 | x = sk_X509_value(certs, i); | |
1787 | key = X509_get_ex_data(x, cert_capi_idx); | |
1788 | if (CertCompareCertificate( | |
1789 | X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, | |
1790 | cert->pCertInfo, | |
1791 | key->pcert->pCertInfo)) | |
1792 | { | |
1793 | idx = i; | |
1794 | break; | |
1795 | } | |
1796 | } | |
1797 | } | |
1798 | ||
1799 | err: | |
1800 | if (dstore) | |
1801 | CertCloseStore(dstore, 0); | |
1802 | return idx; | |
1803 | ||
1804 | } | |
1805 | #endif | |
1806 | ||
f87e3078 | 1807 | #else /* !__COMPILE_CAPIENG */ |
492279f6 AP |
1808 | #include <openssl/engine.h> |
1809 | #ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
1810 | OPENSSL_EXPORT | |
1811 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; } | |
1812 | IMPLEMENT_DYNAMIC_CHECK_FN() | |
f87e3078 AP |
1813 | #else |
1814 | void ENGINE_load_capi(void){} | |
7a18ecb2 DSH |
1815 | #endif |
1816 | #endif |