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7a18ecb2 | 1 | /* engines/e_capi.c */ |
10621efd 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 | |
10621efd | 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> | |
57 | #include <openssl/crypto.h> | |
58 | #include <openssl/buffer.h> | |
7a18ecb2 | 59 | #include <openssl/bn.h> |
7a18ecb2 DSH |
60 | |
61 | #ifdef OPENSSL_SYS_WIN32 | |
10621efd | 62 | # ifndef OPENSSL_NO_CAPIENG |
7a18ecb2 | 63 | |
10621efd | 64 | # include <openssl/rsa.h> |
a0f3679b | 65 | |
10621efd | 66 | # include <windows.h> |
a0f3679b | 67 | |
10621efd MC |
68 | # ifndef _WIN32_WINNT |
69 | # define _WIN32_WINNT 0x0400 | |
70 | # endif | |
a0f3679b | 71 | |
10621efd | 72 | # include <wincrypt.h> |
7a18ecb2 | 73 | |
f0389d8d 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 | |
c55551ad DSH |
79 | * crypt32.lib are in shape. The native MingW32 headers up to and |
80 | * including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the | |
81 | * defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG, | |
82 | * so we check for these too and avoid compiling. | |
83 | * Yes, it's rather "weak" test and if compilation fails, | |
84 | * then re-configure with -DOPENSSL_NO_CAPIENG. | |
f0389d8d | 85 | */ |
10621efd | 86 | # if defined(CERT_KEY_PROV_INFO_PROP_ID) && \ |
c55551ad DSH |
87 | defined(CERT_STORE_PROV_SYSTEM_A) && \ |
88 | defined(CERT_STORE_READONLY_FLAG) | |
10621efd MC |
89 | # define __COMPILE_CAPIENG |
90 | # endif /* CERT_KEY_PROV_INFO_PROP_ID */ | |
91 | # endif /* OPENSSL_NO_CAPIENG */ | |
92 | #endif /* OPENSSL_SYS_WIN32 */ | |
f0389d8d AP |
93 | |
94 | #ifdef __COMPILE_CAPIENG | |
95 | ||
10621efd MC |
96 | # undef X509_EXTENSIONS |
97 | # undef X509_CERT_PAIR | |
11f3cee9 | 98 | |
a0f3679b | 99 | /* Definitions which may be missing from earlier version of headers */ |
10621efd MC |
100 | # ifndef CERT_STORE_OPEN_EXISTING_FLAG |
101 | # define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000 | |
102 | # endif | |
a0f3679b | 103 | |
10621efd MC |
104 | # ifndef CERT_STORE_CREATE_NEW_FLAG |
105 | # define CERT_STORE_CREATE_NEW_FLAG 0x00002000 | |
106 | # endif | |
32c45277 | 107 | |
10621efd MC |
108 | # ifndef CERT_SYSTEM_STORE_CURRENT_USER |
109 | # define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000 | |
110 | # endif | |
37cf49a3 | 111 | |
10621efd MC |
112 | # include <openssl/engine.h> |
113 | # include <openssl/pem.h> | |
114 | # include <openssl/x509v3.h> | |
7a18ecb2 | 115 | |
10621efd MC |
116 | # include "e_capi_err.h" |
117 | # include "e_capi_err.c" | |
7a18ecb2 DSH |
118 | |
119 | static const char *engine_capi_id = "capi"; | |
120 | static const char *engine_capi_name = "CryptoAPI ENGINE"; | |
121 | ||
122 | typedef struct CAPI_CTX_st CAPI_CTX; | |
123 | typedef struct CAPI_KEY_st CAPI_KEY; | |
124 | ||
125 | static void capi_addlasterror(void); | |
126 | static void capi_adderror(DWORD err); | |
127 | ||
10621efd | 128 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...); |
7a18ecb2 | 129 | |
10621efd MC |
130 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out); |
131 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out); | |
132 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *storename); | |
133 | void capi_free_key(CAPI_KEY * key); | |
7a18ecb2 | 134 | |
10621efd MC |
135 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, |
136 | HCERTSTORE hstore); | |
7a18ecb2 | 137 | |
10621efd | 138 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id); |
7a18ecb2 DSH |
139 | |
140 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, | |
10621efd MC |
141 | UI_METHOD *ui_method, void *callback_data); |
142 | static int capi_rsa_sign(int dtype, const unsigned char *m, | |
143 | unsigned int m_len, unsigned char *sigret, | |
144 | unsigned int *siglen, const RSA *rsa); | |
7a18ecb2 | 145 | static int capi_rsa_priv_enc(int flen, const unsigned char *from, |
10621efd | 146 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 | 147 | static int capi_rsa_priv_dec(int flen, const unsigned char *from, |
10621efd | 148 | unsigned char *to, RSA *rsa, int padding); |
7a18ecb2 DSH |
149 | static int capi_rsa_free(RSA *rsa); |
150 | ||
151 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
10621efd | 152 | DSA *dsa); |
7a18ecb2 | 153 | static int capi_dsa_free(DSA *dsa); |
b3c8dd4e DSH |
154 | |
155 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, | |
10621efd MC |
156 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
157 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
158 | UI_METHOD *ui_method, | |
159 | void *callback_data); | |
1cd504e7 DSH |
160 | |
161 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
10621efd | 162 | # ifdef OPENSSL_CAPIENG_DIALOG |
1cd504e7 | 163 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); |
10621efd | 164 | # endif |
1cd504e7 | 165 | |
10621efd MC |
166 | typedef PCCERT_CONTEXT(WINAPI *CERTDLG) (HCERTSTORE, HWND, LPCWSTR, |
167 | LPCWSTR, DWORD, DWORD, void *); | |
168 | typedef HWND(WINAPI *GETCONSWIN) (void); | |
1cd504e7 | 169 | |
10621efd MC |
170 | /* |
171 | * This structure contains CAPI ENGINE specific data: it contains various | |
172 | * global options and affects how other functions behave. | |
7a18ecb2 DSH |
173 | */ |
174 | ||
10621efd MC |
175 | # define CAPI_DBG_TRACE 2 |
176 | # define CAPI_DBG_ERROR 1 | |
7a18ecb2 DSH |
177 | |
178 | struct CAPI_CTX_st { | |
10621efd MC |
179 | int debug_level; |
180 | char *debug_file; | |
181 | /* Parameters to use for container lookup */ | |
182 | DWORD keytype; | |
183 | LPSTR cspname; | |
184 | DWORD csptype; | |
185 | /* Certificate store name to use */ | |
186 | LPSTR storename; | |
187 | LPSTR ssl_client_store; | |
188 | /* System store flags */ | |
189 | DWORD store_flags; | |
7a18ecb2 DSH |
190 | /* Lookup string meanings in load_private_key */ |
191 | /* Substring of subject: uses "storename" */ | |
10621efd | 192 | # define CAPI_LU_SUBSTR 1 |
7a18ecb2 | 193 | /* Friendly name: uses storename */ |
10621efd | 194 | # define CAPI_LU_FNAME 2 |
7a18ecb2 | 195 | /* Container name: uses cspname, keytype */ |
10621efd MC |
196 | # define CAPI_LU_CONTNAME 3 |
197 | int lookup_method; | |
7a18ecb2 DSH |
198 | /* Info to dump with dumpcerts option */ |
199 | /* Issuer and serial name strings */ | |
10621efd | 200 | # define CAPI_DMP_SUMMARY 0x1 |
7a18ecb2 | 201 | /* Friendly name */ |
10621efd | 202 | # define CAPI_DMP_FNAME 0x2 |
7a18ecb2 | 203 | /* Full X509_print dump */ |
10621efd | 204 | # define CAPI_DMP_FULL 0x4 |
7a18ecb2 | 205 | /* Dump PEM format certificate */ |
10621efd | 206 | # define CAPI_DMP_PEM 0x8 |
7a18ecb2 | 207 | /* Dump pseudo key (if possible) */ |
10621efd | 208 | # define CAPI_DMP_PSKEY 0x10 |
7a18ecb2 | 209 | /* Dump key info (if possible) */ |
10621efd MC |
210 | # define CAPI_DMP_PKEYINFO 0x20 |
211 | DWORD dump_flags; | |
212 | int (*client_cert_select) (ENGINE *e, SSL *ssl, STACK_OF(X509) *certs); | |
213 | CERTDLG certselectdlg; | |
214 | GETCONSWIN getconswindow; | |
7a18ecb2 DSH |
215 | }; |
216 | ||
7a18ecb2 | 217 | static CAPI_CTX *capi_ctx_new(); |
10621efd MC |
218 | static void capi_ctx_free(CAPI_CTX * ctx); |
219 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type, | |
220 | int check); | |
221 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx); | |
222 | ||
223 | # define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE | |
224 | # define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1) | |
225 | # define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2) | |
226 | # define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3) | |
227 | # define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4) | |
228 | # define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5) | |
229 | # define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6) | |
230 | # define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7) | |
231 | # define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8) | |
232 | # define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9) | |
233 | # define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10) | |
234 | # define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11) | |
235 | # define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12) | |
236 | # define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13) | |
7a18ecb2 DSH |
237 | |
238 | static const ENGINE_CMD_DEFN capi_cmd_defns[] = { | |
10621efd MC |
239 | {CAPI_CMD_LIST_CERTS, |
240 | "list_certs", | |
241 | "List all certificates in store", | |
242 | ENGINE_CMD_FLAG_NO_INPUT}, | |
243 | {CAPI_CMD_LOOKUP_CERT, | |
244 | "lookup_cert", | |
245 | "Lookup and output certificates", | |
246 | ENGINE_CMD_FLAG_STRING}, | |
247 | {CAPI_CMD_DEBUG_LEVEL, | |
248 | "debug_level", | |
249 | "debug level (1=errors, 2=trace)", | |
250 | ENGINE_CMD_FLAG_NUMERIC}, | |
251 | {CAPI_CMD_DEBUG_FILE, | |
252 | "debug_file", | |
253 | "debugging filename)", | |
254 | ENGINE_CMD_FLAG_STRING}, | |
255 | {CAPI_CMD_KEYTYPE, | |
256 | "key_type", | |
257 | "Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE", | |
258 | ENGINE_CMD_FLAG_NUMERIC}, | |
259 | {CAPI_CMD_LIST_CSPS, | |
260 | "list_csps", | |
261 | "List all CSPs", | |
262 | ENGINE_CMD_FLAG_NO_INPUT}, | |
263 | {CAPI_CMD_SET_CSP_IDX, | |
264 | "csp_idx", | |
265 | "Set CSP by index", | |
266 | ENGINE_CMD_FLAG_NUMERIC}, | |
267 | {CAPI_CMD_SET_CSP_NAME, | |
268 | "csp_name", | |
269 | "Set CSP name, (default CSP used if not specified)", | |
270 | ENGINE_CMD_FLAG_STRING}, | |
271 | {CAPI_CMD_SET_CSP_TYPE, | |
272 | "csp_type", | |
273 | "Set CSP type, (default RSA_PROV_FULL)", | |
274 | ENGINE_CMD_FLAG_NUMERIC}, | |
275 | {CAPI_CMD_LIST_CONTAINERS, | |
276 | "list_containers", | |
277 | "list container names", | |
278 | ENGINE_CMD_FLAG_NO_INPUT}, | |
279 | {CAPI_CMD_LIST_OPTIONS, | |
280 | "list_options", | |
281 | "Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, " | |
282 | "32=private key info)", | |
283 | ENGINE_CMD_FLAG_NUMERIC}, | |
284 | {CAPI_CMD_LOOKUP_METHOD, | |
285 | "lookup_method", | |
286 | "Set key lookup method (1=substring, 2=friendlyname, 3=container name)", | |
287 | ENGINE_CMD_FLAG_NUMERIC}, | |
288 | {CAPI_CMD_STORE_NAME, | |
289 | "store_name", | |
290 | "certificate store name, default \"MY\"", | |
291 | ENGINE_CMD_FLAG_STRING}, | |
292 | {CAPI_CMD_STORE_FLAGS, | |
293 | "store_flags", | |
294 | "Certificate store flags: 1 = system store", | |
295 | ENGINE_CMD_FLAG_NUMERIC}, | |
296 | ||
297 | {0, NULL, NULL, 0} | |
298 | }; | |
7a18ecb2 DSH |
299 | |
300 | static int capi_idx = -1; | |
301 | static int rsa_capi_idx = -1; | |
302 | static int dsa_capi_idx = -1; | |
7d537d4f | 303 | static int cert_capi_idx = -1; |
7a18ecb2 | 304 | |
10621efd MC |
305 | static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void)) |
306 | { | |
307 | int ret = 1; | |
308 | CAPI_CTX *ctx; | |
309 | BIO *out; | |
310 | if (capi_idx == -1) { | |
311 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED); | |
312 | return 0; | |
313 | } | |
314 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
315 | out = BIO_new_fp(stdout, BIO_NOCLOSE); | |
316 | switch (cmd) { | |
317 | case CAPI_CMD_LIST_CSPS: | |
318 | ret = capi_list_providers(ctx, out); | |
319 | break; | |
320 | ||
321 | case CAPI_CMD_LIST_CERTS: | |
322 | ret = capi_list_certs(ctx, out, NULL); | |
323 | break; | |
324 | ||
325 | case CAPI_CMD_LOOKUP_CERT: | |
326 | ret = capi_list_certs(ctx, out, p); | |
327 | break; | |
328 | ||
329 | case CAPI_CMD_LIST_CONTAINERS: | |
330 | ret = capi_list_containers(ctx, out); | |
331 | break; | |
332 | ||
333 | case CAPI_CMD_STORE_NAME: | |
334 | if (ctx->storename) | |
335 | OPENSSL_free(ctx->storename); | |
336 | ctx->storename = BUF_strdup(p); | |
337 | CAPI_trace(ctx, "Setting store name to %s\n", p); | |
338 | break; | |
339 | ||
340 | case CAPI_CMD_STORE_FLAGS: | |
341 | if (i & 1) { | |
342 | ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE; | |
343 | ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER; | |
344 | } else { | |
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 | ||
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 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD); | |
377 | return 0; | |
378 | } | |
379 | ctx->lookup_method = i; | |
380 | break; | |
381 | ||
382 | case CAPI_CMD_SET_CSP_NAME: | |
383 | ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1); | |
384 | break; | |
385 | ||
386 | case CAPI_CMD_SET_CSP_TYPE: | |
387 | ctx->csptype = i; | |
388 | break; | |
389 | ||
390 | default: | |
391 | CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND); | |
392 | ret = 0; | |
393 | } | |
394 | ||
395 | BIO_free(out); | |
396 | return ret; | |
397 | ||
398 | } | |
399 | ||
400 | static RSA_METHOD capi_rsa_method = { | |
401 | "CryptoAPI RSA method", | |
402 | 0, /* pub_enc */ | |
403 | 0, /* pub_dec */ | |
404 | capi_rsa_priv_enc, /* priv_enc */ | |
405 | capi_rsa_priv_dec, /* priv_dec */ | |
406 | 0, /* rsa_mod_exp */ | |
407 | 0, /* bn_mod_exp */ | |
408 | 0, /* init */ | |
409 | capi_rsa_free, /* finish */ | |
410 | RSA_FLAG_SIGN_VER, /* flags */ | |
411 | NULL, /* app_data */ | |
412 | capi_rsa_sign, /* rsa_sign */ | |
413 | 0 /* rsa_verify */ | |
414 | }; | |
7a18ecb2 | 415 | |
10621efd MC |
416 | static DSA_METHOD capi_dsa_method = { |
417 | "CryptoAPI DSA method", | |
418 | capi_dsa_do_sign, /* dsa_do_sign */ | |
419 | 0, /* dsa_sign_setup */ | |
420 | 0, /* dsa_do_verify */ | |
421 | 0, /* dsa_mod_exp */ | |
422 | 0, /* bn_mod_exp */ | |
423 | 0, /* init */ | |
424 | capi_dsa_free, /* finish */ | |
425 | 0, /* flags */ | |
426 | NULL, /* app_data */ | |
427 | 0, /* dsa_paramgen */ | |
428 | 0 /* dsa_keygen */ | |
429 | }; | |
7a18ecb2 | 430 | |
10621efd MC |
431 | static int capi_init(ENGINE *e) |
432 | { | |
433 | CAPI_CTX *ctx; | |
434 | const RSA_METHOD *ossl_rsa_meth; | |
435 | const DSA_METHOD *ossl_dsa_meth; | |
436 | ||
437 | if (capi_idx < 0) { | |
438 | capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
439 | if (capi_idx < 0) | |
440 | goto memerr; | |
441 | ||
442 | cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
443 | ||
444 | /* Setup RSA_METHOD */ | |
445 | rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
446 | ossl_rsa_meth = RSA_PKCS1_SSLeay(); | |
447 | capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc; | |
448 | capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec; | |
449 | capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp; | |
450 | capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp; | |
451 | ||
452 | /* Setup DSA Method */ | |
453 | dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0); | |
454 | ossl_dsa_meth = DSA_OpenSSL(); | |
455 | capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify; | |
456 | capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp; | |
457 | capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp; | |
458 | } | |
459 | ||
460 | ctx = capi_ctx_new(); | |
461 | if (!ctx) | |
462 | goto memerr; | |
463 | ||
464 | ENGINE_set_ex_data(e, capi_idx, ctx); | |
465 | ||
466 | # ifdef OPENSSL_CAPIENG_DIALOG | |
467 | { | |
468 | HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL")); | |
469 | HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL")); | |
470 | if (cryptui) | |
471 | ctx->certselectdlg = | |
472 | (CERTDLG) GetProcAddress(cryptui, | |
473 | "CryptUIDlgSelectCertificateFromStore"); | |
474 | if (kernel) | |
475 | ctx->getconswindow = | |
476 | (GETCONSWIN) GetProcAddress(kernel, "GetConsoleWindow"); | |
477 | if (cryptui && !OPENSSL_isservice()) | |
478 | ctx->client_cert_select = cert_select_dialog; | |
479 | } | |
480 | # endif | |
481 | ||
482 | return 1; | |
483 | ||
484 | memerr: | |
485 | CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE); | |
486 | return 0; | |
487 | ||
488 | return 1; | |
489 | } | |
7a18ecb2 DSH |
490 | |
491 | static int capi_destroy(ENGINE *e) | |
10621efd MC |
492 | { |
493 | ERR_unload_CAPI_strings(); | |
494 | return 1; | |
495 | } | |
7a18ecb2 DSH |
496 | |
497 | static int capi_finish(ENGINE *e) | |
10621efd MC |
498 | { |
499 | CAPI_CTX *ctx; | |
500 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
501 | capi_ctx_free(ctx); | |
502 | ENGINE_set_ex_data(e, capi_idx, NULL); | |
503 | return 1; | |
504 | } | |
505 | ||
506 | /* | |
507 | * CryptoAPI key application data. This contains a handle to the private key | |
508 | * container (for sign operations) and a handle to the key (for decrypt | |
509 | * operations). | |
7a18ecb2 DSH |
510 | */ |
511 | ||
10621efd MC |
512 | struct CAPI_KEY_st { |
513 | /* Associated certificate context (if any) */ | |
514 | PCCERT_CONTEXT pcert; | |
515 | HCRYPTPROV hprov; | |
516 | HCRYPTKEY key; | |
517 | DWORD keyspec; | |
518 | }; | |
7a18ecb2 DSH |
519 | |
520 | static int bind_capi(ENGINE *e) | |
10621efd MC |
521 | { |
522 | if (!ENGINE_set_id(e, engine_capi_id) | |
523 | || !ENGINE_set_name(e, engine_capi_name) | |
524 | || !ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) | |
525 | || !ENGINE_set_init_function(e, capi_init) | |
526 | || !ENGINE_set_finish_function(e, capi_finish) | |
527 | || !ENGINE_set_destroy_function(e, capi_destroy) | |
528 | || !ENGINE_set_RSA(e, &capi_rsa_method) | |
529 | || !ENGINE_set_DSA(e, &capi_dsa_method) | |
530 | || !ENGINE_set_load_privkey_function(e, capi_load_privkey) | |
531 | || !ENGINE_set_load_ssl_client_cert_function(e, | |
532 | capi_load_ssl_client_cert) | |
533 | || !ENGINE_set_cmd_defns(e, capi_cmd_defns) | |
534 | || !ENGINE_set_ctrl_function(e, capi_ctrl)) | |
535 | return 0; | |
536 | ERR_load_CAPI_strings(); | |
537 | ||
538 | return 1; | |
539 | ||
540 | } | |
541 | ||
542 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
7a18ecb2 | 543 | static int bind_helper(ENGINE *e, const char *id) |
10621efd MC |
544 | { |
545 | if (id && (strcmp(id, engine_capi_id) != 0)) | |
546 | return 0; | |
547 | if (!bind_capi(e)) | |
548 | return 0; | |
549 | return 1; | |
550 | } | |
551 | ||
7a18ecb2 | 552 | IMPLEMENT_DYNAMIC_CHECK_FN() |
10621efd MC |
553 | IMPLEMENT_DYNAMIC_BIND_FN(bind_helper) |
554 | # else | |
7a18ecb2 | 555 | static ENGINE *engine_capi(void) |
10621efd MC |
556 | { |
557 | ENGINE *ret = ENGINE_new(); | |
558 | if (!ret) | |
559 | return NULL; | |
560 | if (!bind_capi(ret)) { | |
561 | ENGINE_free(ret); | |
562 | return NULL; | |
563 | } | |
564 | return ret; | |
565 | } | |
7a18ecb2 DSH |
566 | |
567 | void ENGINE_load_capi(void) | |
10621efd MC |
568 | { |
569 | /* Copied from eng_[openssl|dyn].c */ | |
570 | ENGINE *toadd = engine_capi(); | |
571 | if (!toadd) | |
572 | return; | |
573 | ENGINE_add(toadd); | |
574 | ENGINE_free(toadd); | |
575 | ERR_clear_error(); | |
576 | } | |
577 | # endif | |
7a18ecb2 DSH |
578 | |
579 | static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen) | |
10621efd MC |
580 | { |
581 | int i; | |
582 | /* | |
583 | * Reverse buffer in place: since this is a keyblob structure that will | |
584 | * be freed up after conversion anyway it doesn't matter if we change | |
585 | * it. | |
586 | */ | |
587 | for (i = 0; i < binlen / 2; i++) { | |
588 | unsigned char c; | |
589 | c = bin[i]; | |
590 | bin[i] = bin[binlen - i - 1]; | |
591 | bin[binlen - i - 1] = c; | |
592 | } | |
593 | ||
594 | if (!BN_bin2bn(bin, binlen, bn)) | |
595 | return 0; | |
596 | return 1; | |
597 | } | |
7a18ecb2 | 598 | |
b3c8dd4e DSH |
599 | /* Given a CAPI_KEY get an EVP_PKEY structure */ |
600 | ||
10621efd MC |
601 | static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY * key) |
602 | { | |
603 | unsigned char *pubkey = NULL; | |
604 | DWORD len; | |
605 | BLOBHEADER *bh; | |
606 | RSA *rkey = NULL; | |
607 | DSA *dkey = NULL; | |
608 | EVP_PKEY *ret = NULL; | |
609 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len)) { | |
610 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR); | |
611 | capi_addlasterror(); | |
612 | return NULL; | |
613 | } | |
614 | ||
615 | pubkey = OPENSSL_malloc(len); | |
616 | ||
617 | if (!pubkey) | |
618 | goto memerr; | |
619 | ||
620 | if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len)) { | |
621 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR); | |
622 | capi_addlasterror(); | |
623 | goto err; | |
624 | } | |
625 | ||
626 | bh = (BLOBHEADER *) pubkey; | |
627 | if (bh->bType != PUBLICKEYBLOB) { | |
628 | CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB); | |
629 | goto err; | |
630 | } | |
631 | if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX) { | |
632 | RSAPUBKEY *rp; | |
633 | DWORD rsa_modlen; | |
634 | unsigned char *rsa_modulus; | |
635 | rp = (RSAPUBKEY *) (bh + 1); | |
636 | if (rp->magic != 0x31415352) { | |
637 | char magstr[10]; | |
638 | BIO_snprintf(magstr, 10, "%lx", rp->magic); | |
639 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
640 | CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
641 | ERR_add_error_data(2, "magic=0x", magstr); | |
642 | goto err; | |
643 | } | |
644 | rsa_modulus = (unsigned char *)(rp + 1); | |
645 | rkey = RSA_new_method(eng); | |
646 | if (!rkey) | |
647 | goto memerr; | |
648 | ||
649 | rkey->e = BN_new(); | |
650 | rkey->n = BN_new(); | |
651 | ||
652 | if (!rkey->e || !rkey->n) | |
653 | goto memerr; | |
654 | ||
655 | if (!BN_set_word(rkey->e, rp->pubexp)) | |
656 | goto memerr; | |
657 | ||
658 | rsa_modlen = rp->bitlen / 8; | |
659 | if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen)) | |
660 | goto memerr; | |
661 | ||
662 | RSA_set_ex_data(rkey, rsa_capi_idx, key); | |
663 | ||
664 | if (!(ret = EVP_PKEY_new())) | |
665 | goto memerr; | |
666 | ||
667 | EVP_PKEY_assign_RSA(ret, rkey); | |
668 | rkey = NULL; | |
669 | ||
670 | } else if (bh->aiKeyAlg == CALG_DSS_SIGN) { | |
671 | DSSPUBKEY *dp; | |
672 | DWORD dsa_plen; | |
673 | unsigned char *btmp; | |
674 | dp = (DSSPUBKEY *) (bh + 1); | |
675 | if (dp->magic != 0x31535344) { | |
676 | char magstr[10]; | |
677 | BIO_snprintf(magstr, 10, "%lx", dp->magic); | |
678 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
679 | CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER); | |
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 | } else { | |
715 | char algstr[10]; | |
716 | BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg); | |
717 | CAPIerr(CAPI_F_CAPI_GET_PKEY, | |
718 | CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM); | |
719 | ERR_add_error_data(2, "aiKeyAlg=0x", algstr); | |
720 | goto err; | |
721 | } | |
722 | ||
723 | err: | |
724 | if (pubkey) | |
725 | OPENSSL_free(pubkey); | |
726 | if (!ret) { | |
727 | if (rkey) | |
728 | RSA_free(rkey); | |
729 | if (dkey) | |
730 | DSA_free(dkey); | |
731 | } | |
732 | ||
733 | return ret; | |
734 | ||
735 | memerr: | |
736 | CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE); | |
737 | goto err; | |
738 | ||
739 | } | |
7a18ecb2 | 740 | |
b3c8dd4e | 741 | static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id, |
10621efd MC |
742 | UI_METHOD *ui_method, void *callback_data) |
743 | { | |
744 | CAPI_CTX *ctx; | |
745 | CAPI_KEY *key; | |
746 | EVP_PKEY *ret; | |
747 | ctx = ENGINE_get_ex_data(eng, capi_idx); | |
b3c8dd4e | 748 | |
10621efd MC |
749 | if (!ctx) { |
750 | CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT); | |
751 | return NULL; | |
752 | } | |
b3c8dd4e | 753 | |
10621efd | 754 | key = capi_find_key(ctx, key_id); |
b3c8dd4e | 755 | |
10621efd MC |
756 | if (!key) |
757 | return NULL; | |
b3c8dd4e | 758 | |
10621efd | 759 | ret = capi_get_pkey(eng, key); |
b3c8dd4e | 760 | |
10621efd MC |
761 | if (!ret) |
762 | capi_free_key(key); | |
763 | return ret; | |
b3c8dd4e | 764 | |
10621efd | 765 | } |
b3c8dd4e | 766 | |
7a18ecb2 DSH |
767 | /* CryptoAPI RSA operations */ |
768 | ||
769 | int capi_rsa_priv_enc(int flen, const unsigned char *from, | |
10621efd MC |
770 | unsigned char *to, RSA *rsa, int padding) |
771 | { | |
772 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED); | |
773 | return -1; | |
774 | } | |
7a18ecb2 DSH |
775 | |
776 | int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len, | |
10621efd MC |
777 | unsigned char *sigret, unsigned int *siglen, const RSA *rsa) |
778 | { | |
779 | ALG_ID alg; | |
780 | HCRYPTHASH hash; | |
781 | DWORD slen; | |
782 | unsigned int i; | |
783 | int ret = -1; | |
784 | CAPI_KEY *capi_key; | |
785 | CAPI_CTX *ctx; | |
786 | ||
787 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
788 | ||
789 | CAPI_trace(ctx, "Called CAPI_rsa_sign()\n"); | |
790 | ||
791 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
792 | if (!capi_key) { | |
793 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY); | |
794 | return -1; | |
795 | } | |
7a18ecb2 | 796 | /* Convert the signature type to a CryptoAPI algorithm ID */ |
10621efd MC |
797 | switch (dtype) { |
798 | case NID_sha1: | |
799 | alg = CALG_SHA1; | |
800 | break; | |
801 | ||
802 | case NID_md5: | |
803 | alg = CALG_MD5; | |
804 | break; | |
805 | ||
806 | case NID_md5_sha1: | |
807 | alg = CALG_SSL3_SHAMD5; | |
808 | break; | |
809 | default: | |
810 | { | |
811 | char algstr[10]; | |
812 | BIO_snprintf(algstr, 10, "%lx", dtype); | |
813 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID); | |
814 | ERR_add_error_data(2, "NID=0x", algstr); | |
815 | return -1; | |
816 | } | |
817 | } | |
7a18ecb2 DSH |
818 | |
819 | /* Create the hash object */ | |
10621efd MC |
820 | if (!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash)) { |
821 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
822 | capi_addlasterror(); | |
823 | return -1; | |
824 | } | |
7a18ecb2 DSH |
825 | /* Set the hash value to the value passed */ |
826 | ||
10621efd MC |
827 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0)) { |
828 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
829 | capi_addlasterror(); | |
830 | goto err; | |
831 | } | |
7a18ecb2 DSH |
832 | |
833 | /* Finally sign it */ | |
10621efd MC |
834 | slen = RSA_size(rsa); |
835 | if (!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen)) { | |
836 | CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
837 | capi_addlasterror(); | |
838 | goto err; | |
839 | } else { | |
840 | ret = 1; | |
841 | /* Inplace byte reversal of signature */ | |
842 | for (i = 0; i < slen / 2; i++) { | |
843 | unsigned char c; | |
844 | c = sigret[i]; | |
845 | sigret[i] = sigret[slen - i - 1]; | |
846 | sigret[slen - i - 1] = c; | |
847 | } | |
848 | *siglen = slen; | |
849 | } | |
850 | ||
851 | /* Now cleanup */ | |
852 | ||
853 | err: | |
854 | CryptDestroyHash(hash); | |
855 | ||
856 | return ret; | |
857 | } | |
7a18ecb2 DSH |
858 | |
859 | int capi_rsa_priv_dec(int flen, const unsigned char *from, | |
10621efd MC |
860 | unsigned char *to, RSA *rsa, int padding) |
861 | { | |
862 | int i; | |
863 | unsigned char *tmpbuf; | |
864 | CAPI_KEY *capi_key; | |
865 | CAPI_CTX *ctx; | |
866 | ctx = ENGINE_get_ex_data(rsa->engine, capi_idx); | |
867 | ||
868 | CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n"); | |
869 | ||
870 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
871 | if (!capi_key) { | |
872 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY); | |
873 | return -1; | |
874 | } | |
875 | ||
876 | if (padding != RSA_PKCS1_PADDING) { | |
877 | char errstr[10]; | |
878 | BIO_snprintf(errstr, 10, "%d", padding); | |
879 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING); | |
880 | ERR_add_error_data(2, "padding=", errstr); | |
881 | return -1; | |
882 | } | |
883 | ||
884 | /* Create temp reverse order version of input */ | |
885 | if (!(tmpbuf = OPENSSL_malloc(flen))) { | |
886 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE); | |
887 | return -1; | |
888 | } | |
889 | for (i = 0; i < flen; i++) | |
890 | tmpbuf[flen - i - 1] = from[i]; | |
891 | ||
892 | /* Finally decrypt it */ | |
893 | if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen)) { | |
894 | CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR); | |
895 | capi_addlasterror(); | |
896 | OPENSSL_free(tmpbuf); | |
897 | return -1; | |
898 | } else | |
899 | memcpy(to, tmpbuf, flen); | |
900 | ||
901 | OPENSSL_free(tmpbuf); | |
902 | ||
903 | return flen; | |
904 | } | |
7a18ecb2 DSH |
905 | |
906 | static int capi_rsa_free(RSA *rsa) | |
10621efd MC |
907 | { |
908 | CAPI_KEY *capi_key; | |
909 | capi_key = RSA_get_ex_data(rsa, rsa_capi_idx); | |
910 | capi_free_key(capi_key); | |
911 | RSA_set_ex_data(rsa, rsa_capi_idx, 0); | |
912 | return 1; | |
913 | } | |
7a18ecb2 DSH |
914 | |
915 | /* CryptoAPI DSA operations */ | |
916 | ||
917 | static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen, | |
10621efd MC |
918 | DSA *dsa) |
919 | { | |
920 | HCRYPTHASH hash; | |
921 | DWORD slen; | |
922 | DSA_SIG *ret = NULL; | |
923 | CAPI_KEY *capi_key; | |
924 | CAPI_CTX *ctx; | |
925 | unsigned char csigbuf[40]; | |
926 | ||
927 | ctx = ENGINE_get_ex_data(dsa->engine, capi_idx); | |
928 | ||
929 | CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n"); | |
930 | ||
931 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
932 | ||
933 | if (!capi_key) { | |
934 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY); | |
935 | return NULL; | |
936 | } | |
937 | ||
938 | if (dlen != 20) { | |
939 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH); | |
940 | return NULL; | |
941 | } | |
942 | ||
943 | /* Create the hash object */ | |
944 | if (!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash)) { | |
945 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT); | |
946 | capi_addlasterror(); | |
947 | return NULL; | |
948 | } | |
949 | ||
950 | /* Set the hash value to the value passed */ | |
951 | if (!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0)) { | |
952 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE); | |
953 | capi_addlasterror(); | |
954 | goto err; | |
955 | } | |
956 | ||
957 | /* Finally sign it */ | |
958 | slen = sizeof(csigbuf); | |
959 | if (!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen)) { | |
960 | CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH); | |
961 | capi_addlasterror(); | |
962 | goto err; | |
963 | } else { | |
964 | ret = DSA_SIG_new(); | |
965 | if (!ret) | |
966 | goto err; | |
967 | ret->r = BN_new(); | |
968 | ret->s = BN_new(); | |
969 | if (!ret->r || !ret->s) | |
970 | goto err; | |
971 | if (!lend_tobn(ret->r, csigbuf, 20) | |
972 | || !lend_tobn(ret->s, csigbuf + 20, 20)) { | |
973 | DSA_SIG_free(ret); | |
974 | ret = NULL; | |
975 | goto err; | |
976 | } | |
977 | } | |
978 | ||
979 | /* Now cleanup */ | |
980 | ||
981 | err: | |
982 | OPENSSL_cleanse(csigbuf, 40); | |
983 | CryptDestroyHash(hash); | |
984 | return ret; | |
985 | } | |
7a18ecb2 DSH |
986 | |
987 | static int capi_dsa_free(DSA *dsa) | |
10621efd MC |
988 | { |
989 | CAPI_KEY *capi_key; | |
990 | capi_key = DSA_get_ex_data(dsa, dsa_capi_idx); | |
991 | capi_free_key(capi_key); | |
992 | DSA_set_ex_data(dsa, dsa_capi_idx, 0); | |
993 | return 1; | |
994 | } | |
995 | ||
996 | static void capi_vtrace(CAPI_CTX * ctx, int level, char *format, | |
997 | va_list argptr) | |
998 | { | |
999 | BIO *out; | |
1000 | ||
1001 | if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file)) | |
1002 | return; | |
1003 | out = BIO_new_file(ctx->debug_file, "a+"); | |
1004 | BIO_vprintf(out, format, argptr); | |
1005 | BIO_free(out); | |
1006 | } | |
1007 | ||
1008 | static void CAPI_trace(CAPI_CTX * ctx, char *format, ...) | |
1009 | { | |
1010 | va_list args; | |
1011 | va_start(args, format); | |
1012 | capi_vtrace(ctx, CAPI_DBG_TRACE, format, args); | |
1013 | va_end(args); | |
1014 | } | |
7a18ecb2 DSH |
1015 | |
1016 | static void capi_addlasterror(void) | |
10621efd MC |
1017 | { |
1018 | capi_adderror(GetLastError()); | |
1019 | } | |
7a18ecb2 DSH |
1020 | |
1021 | static void capi_adderror(DWORD err) | |
10621efd MC |
1022 | { |
1023 | char errstr[10]; | |
1024 | BIO_snprintf(errstr, 10, "%lX", err); | |
1025 | ERR_add_error_data(2, "Error code= 0x", errstr); | |
1026 | } | |
7a18ecb2 DSH |
1027 | |
1028 | static char *wide_to_asc(LPWSTR wstr) | |
10621efd MC |
1029 | { |
1030 | char *str; | |
1031 | int len_0, sz; | |
1032 | ||
1033 | if (!wstr) | |
1034 | return NULL; | |
1035 | len_0 = (int)wcslen(wstr) + 1; /* WideCharToMultiByte expects int */ | |
1036 | sz = WideCharToMultiByte(CP_ACP, 0, wstr, len_0, NULL, 0, NULL, NULL); | |
1037 | if (!sz) { | |
1038 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1039 | return NULL; | |
1040 | } | |
1041 | str = OPENSSL_malloc(sz); | |
1042 | if (!str) { | |
1043 | CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE); | |
1044 | return NULL; | |
1045 | } | |
1046 | if (!WideCharToMultiByte(CP_ACP, 0, wstr, len_0, str, sz, NULL, NULL)) { | |
1047 | OPENSSL_free(str); | |
1048 | CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR); | |
1049 | return NULL; | |
1050 | } | |
1051 | return str; | |
1052 | } | |
1053 | ||
1054 | static int capi_get_provname(CAPI_CTX * ctx, LPSTR * pname, DWORD * ptype, | |
1055 | DWORD idx) | |
1056 | { | |
1057 | LPSTR name; | |
1058 | DWORD len, err; | |
1059 | CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx); | |
1060 | if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len)) { | |
1061 | err = GetLastError(); | |
1062 | if (err == ERROR_NO_MORE_ITEMS) | |
1063 | return 2; | |
1064 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1065 | capi_adderror(err); | |
1066 | return 0; | |
1067 | } | |
1068 | name = OPENSSL_malloc(len); | |
1069 | if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len)) { | |
1070 | err = GetLastError(); | |
1071 | if (err == ERROR_NO_MORE_ITEMS) | |
1072 | return 2; | |
1073 | CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR); | |
1074 | capi_adderror(err); | |
1075 | return 0; | |
1076 | } | |
1077 | *pname = name; | |
1078 | CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, | |
1079 | *ptype); | |
1080 | ||
1081 | return 1; | |
1082 | } | |
1083 | ||
1084 | static int capi_list_providers(CAPI_CTX * ctx, BIO *out) | |
1085 | { | |
1086 | DWORD idx, ptype; | |
1087 | int ret; | |
1088 | LPSTR provname = NULL; | |
1089 | CAPI_trace(ctx, "capi_list_providers\n"); | |
1090 | BIO_printf(out, "Available CSPs:\n"); | |
1091 | for (idx = 0;; idx++) { | |
1092 | ret = capi_get_provname(ctx, &provname, &ptype, idx); | |
1093 | if (ret == 2) | |
1094 | break; | |
1095 | if (ret == 0) | |
1096 | break; | |
1097 | BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype); | |
1098 | OPENSSL_free(provname); | |
1099 | } | |
1100 | return 1; | |
1101 | } | |
1102 | ||
1103 | static int capi_list_containers(CAPI_CTX * ctx, BIO *out) | |
1104 | { | |
1105 | int ret = 1; | |
1106 | HCRYPTPROV hprov; | |
1107 | DWORD err, idx, flags, buflen = 0, clen; | |
1108 | LPSTR cname; | |
1109 | CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, | |
1110 | ctx->csptype); | |
1111 | if (!CryptAcquireContextA | |
1112 | (&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT)) { | |
1113 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, | |
1114 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1115 | capi_addlasterror(); | |
1116 | return 0; | |
1117 | } | |
1118 | if (!CryptGetProvParam | |
1119 | (hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST)) { | |
1120 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1121 | capi_addlasterror(); | |
1122 | CryptReleaseContext(hprov, 0); | |
1123 | return 0; | |
1124 | } | |
1125 | CAPI_trace(ctx, "Got max container len %d\n", buflen); | |
1126 | if (buflen == 0) | |
1127 | buflen = 1024; | |
1128 | cname = OPENSSL_malloc(buflen); | |
1129 | if (!cname) { | |
1130 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE); | |
1131 | goto err; | |
1132 | } | |
1133 | ||
1134 | for (idx = 0;; idx++) { | |
1135 | clen = buflen; | |
1136 | cname[0] = 0; | |
1137 | ||
1138 | if (idx == 0) | |
1139 | flags = CRYPT_FIRST; | |
1140 | else | |
1141 | flags = 0; | |
1142 | if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags)) { | |
1143 | err = GetLastError(); | |
1144 | if (err == ERROR_NO_MORE_ITEMS) | |
1145 | goto done; | |
1146 | CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR); | |
1147 | capi_adderror(err); | |
1148 | goto err; | |
1149 | } | |
1150 | CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", | |
1151 | cname, clen, idx, flags); | |
1152 | if (!cname[0] && (clen == buflen)) { | |
1153 | CAPI_trace(ctx, "Enumerate bug: using workaround\n"); | |
1154 | goto done; | |
1155 | } | |
1156 | BIO_printf(out, "%d. %s\n", idx, cname); | |
1157 | } | |
1158 | err: | |
1159 | ||
1160 | ret = 0; | |
1161 | ||
1162 | done: | |
1163 | if (cname) | |
1164 | OPENSSL_free(cname); | |
1165 | CryptReleaseContext(hprov, 0); | |
1166 | ||
1167 | return ret; | |
1168 | } | |
1169 | ||
1170 | CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1171 | { | |
1172 | DWORD len; | |
1173 | CRYPT_KEY_PROV_INFO *pinfo; | |
1174 | ||
1175 | if (!CertGetCertificateContextProperty | |
1176 | (cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len)) | |
1177 | return NULL; | |
1178 | pinfo = OPENSSL_malloc(len); | |
1179 | if (!pinfo) { | |
1180 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE); | |
1181 | return NULL; | |
1182 | } | |
1183 | if (!CertGetCertificateContextProperty | |
1184 | (cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len)) { | |
1185 | CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, | |
1186 | CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO); | |
1187 | capi_addlasterror(); | |
1188 | OPENSSL_free(pinfo); | |
1189 | return NULL; | |
1190 | } | |
1191 | return pinfo; | |
1192 | } | |
1193 | ||
1194 | static void capi_dump_prov_info(CAPI_CTX * ctx, BIO *out, | |
1195 | CRYPT_KEY_PROV_INFO * pinfo) | |
1196 | { | |
1197 | char *provname = NULL, *contname = NULL; | |
1198 | if (!pinfo) { | |
1199 | BIO_printf(out, " No Private Key\n"); | |
1200 | return; | |
1201 | } | |
1202 | provname = wide_to_asc(pinfo->pwszProvName); | |
1203 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1204 | if (!provname || !contname) | |
1205 | goto err; | |
1206 | ||
1207 | BIO_printf(out, " Private Key Info:\n"); | |
1208 | BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, | |
1209 | pinfo->dwProvType); | |
1210 | BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, | |
1211 | pinfo->dwKeySpec); | |
1212 | err: | |
1213 | if (provname) | |
1214 | OPENSSL_free(provname); | |
1215 | if (contname) | |
1216 | OPENSSL_free(contname); | |
1217 | } | |
1218 | ||
1219 | char *capi_cert_get_fname(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1220 | { | |
1221 | LPWSTR wfname; | |
1222 | DWORD dlen; | |
1223 | ||
1224 | CAPI_trace(ctx, "capi_cert_get_fname\n"); | |
1225 | if (!CertGetCertificateContextProperty | |
1226 | (cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen)) | |
1227 | return NULL; | |
1228 | wfname = OPENSSL_malloc(dlen); | |
1229 | if (CertGetCertificateContextProperty | |
1230 | (cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen)) { | |
1231 | char *fname = wide_to_asc(wfname); | |
1232 | OPENSSL_free(wfname); | |
1233 | return fname; | |
1234 | } | |
1235 | CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME); | |
1236 | capi_addlasterror(); | |
1237 | ||
1238 | OPENSSL_free(wfname); | |
1239 | return NULL; | |
1240 | } | |
1241 | ||
1242 | void capi_dump_cert(CAPI_CTX * ctx, BIO *out, PCCERT_CONTEXT cert) | |
1243 | { | |
1244 | X509 *x; | |
1245 | unsigned char *p; | |
1246 | unsigned long flags = ctx->dump_flags; | |
1247 | if (flags & CAPI_DMP_FNAME) { | |
1248 | char *fname; | |
1249 | fname = capi_cert_get_fname(ctx, cert); | |
1250 | if (fname) { | |
1251 | BIO_printf(out, " Friendly Name \"%s\"\n", fname); | |
1252 | OPENSSL_free(fname); | |
1253 | } else | |
1254 | BIO_printf(out, " <No Friendly Name>\n"); | |
1255 | } | |
1256 | ||
1257 | p = cert->pbCertEncoded; | |
1258 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1259 | if (!x) | |
1260 | BIO_printf(out, " <Can't parse certificate>\n"); | |
1261 | if (flags & CAPI_DMP_SUMMARY) { | |
1262 | BIO_printf(out, " Subject: "); | |
1263 | X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE); | |
1264 | BIO_printf(out, "\n Issuer: "); | |
1265 | X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE); | |
1266 | BIO_printf(out, "\n"); | |
1267 | } | |
1268 | if (flags & CAPI_DMP_FULL) | |
1269 | X509_print_ex(out, x, XN_FLAG_ONELINE, 0); | |
1270 | ||
1271 | if (flags & CAPI_DMP_PKEYINFO) { | |
1272 | CRYPT_KEY_PROV_INFO *pinfo; | |
1273 | pinfo = capi_get_prov_info(ctx, cert); | |
1274 | capi_dump_prov_info(ctx, out, pinfo); | |
1275 | if (pinfo) | |
1276 | OPENSSL_free(pinfo); | |
1277 | } | |
1278 | ||
1279 | if (flags & CAPI_DMP_PEM) | |
1280 | PEM_write_bio_X509(out, x); | |
1281 | X509_free(x); | |
1282 | } | |
1283 | ||
1284 | HCERTSTORE capi_open_store(CAPI_CTX * ctx, char *storename) | |
1285 | { | |
1286 | HCERTSTORE hstore; | |
1287 | ||
1288 | if (!storename) | |
1289 | storename = ctx->storename; | |
1290 | if (!storename) | |
1291 | storename = "MY"; | |
1292 | CAPI_trace(ctx, "Opening certificate store %s\n", storename); | |
1293 | ||
1294 | hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0, | |
1295 | ctx->store_flags, storename); | |
1296 | if (!hstore) { | |
1297 | CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE); | |
1298 | capi_addlasterror(); | |
1299 | } | |
1300 | return hstore; | |
1301 | } | |
1302 | ||
1303 | int capi_list_certs(CAPI_CTX * ctx, BIO *out, char *id) | |
1304 | { | |
1305 | char *storename; | |
1306 | int idx; | |
1307 | int ret = 1; | |
1308 | HCERTSTORE hstore; | |
1309 | PCCERT_CONTEXT cert = NULL; | |
1310 | ||
1311 | storename = ctx->storename; | |
1312 | if (!storename) | |
1313 | storename = "MY"; | |
1314 | CAPI_trace(ctx, "Listing certs for store %s\n", storename); | |
1315 | ||
1316 | hstore = capi_open_store(ctx, storename); | |
1317 | if (!hstore) | |
1318 | return 0; | |
1319 | if (id) { | |
1320 | cert = capi_find_cert(ctx, id, hstore); | |
1321 | if (!cert) { | |
1322 | ret = 0; | |
1323 | goto err; | |
1324 | } | |
1325 | capi_dump_cert(ctx, out, cert); | |
1326 | CertFreeCertificateContext(cert); | |
1327 | } else { | |
1328 | for (idx = 0;; idx++) { | |
1329 | LPWSTR fname = NULL; | |
1330 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1331 | if (!cert) | |
1332 | break; | |
1333 | BIO_printf(out, "Certificate %d\n", idx); | |
1334 | capi_dump_cert(ctx, out, cert); | |
1335 | } | |
1336 | } | |
1337 | err: | |
1338 | CertCloseStore(hstore, 0); | |
1339 | return ret; | |
1340 | } | |
1341 | ||
1342 | static PCCERT_CONTEXT capi_find_cert(CAPI_CTX * ctx, const char *id, | |
1343 | HCERTSTORE hstore) | |
1344 | { | |
1345 | PCCERT_CONTEXT cert = NULL; | |
1346 | char *fname = NULL; | |
1347 | int match; | |
1348 | switch (ctx->lookup_method) { | |
1349 | case CAPI_LU_SUBSTR: | |
1350 | return CertFindCertificateInStore(hstore, | |
1351 | X509_ASN_ENCODING, 0, | |
1352 | CERT_FIND_SUBJECT_STR_A, id, NULL); | |
1353 | case CAPI_LU_FNAME: | |
1354 | for (;;) { | |
1355 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1356 | if (!cert) | |
1357 | return NULL; | |
1358 | fname = capi_cert_get_fname(ctx, cert); | |
1359 | if (fname) { | |
1360 | if (strcmp(fname, id)) | |
1361 | match = 0; | |
1362 | else | |
1363 | match = 1; | |
1364 | OPENSSL_free(fname); | |
1365 | if (match) | |
1366 | return cert; | |
1367 | } | |
1368 | } | |
1369 | default: | |
1370 | return NULL; | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | static CAPI_KEY *capi_get_key(CAPI_CTX * ctx, const char *contname, | |
1375 | char *provname, DWORD ptype, DWORD keyspec) | |
1376 | { | |
1377 | CAPI_KEY *key; | |
1378 | DWORD dwFlags = 0; | |
1379 | key = OPENSSL_malloc(sizeof(CAPI_KEY)); | |
1380 | CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n", | |
1381 | contname, provname, ptype); | |
1382 | if (ctx->store_flags & CERT_SYSTEM_STORE_LOCAL_MACHINE) | |
e7b85bc4 | 1383 | dwFlags = CRYPT_MACHINE_KEYSET; |
10621efd MC |
1384 | if (!CryptAcquireContextA |
1385 | (&key->hprov, contname, provname, ptype, dwFlags)) { | |
1386 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1387 | capi_addlasterror(); | |
1388 | goto err; | |
1389 | } | |
1390 | if (!CryptGetUserKey(key->hprov, keyspec, &key->key)) { | |
1391 | CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR); | |
1392 | capi_addlasterror(); | |
1393 | CryptReleaseContext(key->hprov, 0); | |
1394 | goto err; | |
1395 | } | |
1396 | key->keyspec = keyspec; | |
1397 | key->pcert = NULL; | |
1398 | return key; | |
1399 | ||
1400 | err: | |
1401 | OPENSSL_free(key); | |
1402 | return NULL; | |
1403 | } | |
1404 | ||
1405 | static CAPI_KEY *capi_get_cert_key(CAPI_CTX * ctx, PCCERT_CONTEXT cert) | |
1406 | { | |
1407 | CAPI_KEY *key = NULL; | |
1408 | CRYPT_KEY_PROV_INFO *pinfo = NULL; | |
1409 | char *provname = NULL, *contname = NULL; | |
1410 | pinfo = capi_get_prov_info(ctx, cert); | |
1411 | if (!pinfo) | |
1412 | goto err; | |
1413 | provname = wide_to_asc(pinfo->pwszProvName); | |
1414 | contname = wide_to_asc(pinfo->pwszContainerName); | |
1415 | if (!provname || !contname) | |
1416 | goto err; | |
1417 | key = capi_get_key(ctx, contname, provname, | |
1418 | pinfo->dwProvType, pinfo->dwKeySpec); | |
1419 | ||
1420 | err: | |
1421 | if (pinfo) | |
1422 | OPENSSL_free(pinfo); | |
1423 | if (provname) | |
1424 | OPENSSL_free(provname); | |
1425 | if (contname) | |
1426 | OPENSSL_free(contname); | |
1427 | return key; | |
1428 | } | |
1429 | ||
1430 | CAPI_KEY *capi_find_key(CAPI_CTX * ctx, const char *id) | |
1431 | { | |
1432 | PCCERT_CONTEXT cert; | |
1433 | HCERTSTORE hstore; | |
1434 | CAPI_KEY *key = NULL; | |
1435 | switch (ctx->lookup_method) { | |
1436 | case CAPI_LU_SUBSTR: | |
1437 | case CAPI_LU_FNAME: | |
1438 | hstore = capi_open_store(ctx, NULL); | |
1439 | if (!hstore) | |
1440 | return NULL; | |
1441 | cert = capi_find_cert(ctx, id, hstore); | |
1442 | if (cert) { | |
1443 | key = capi_get_cert_key(ctx, cert); | |
1444 | CertFreeCertificateContext(cert); | |
1445 | } | |
1446 | CertCloseStore(hstore, 0); | |
1447 | break; | |
1448 | ||
1449 | case CAPI_LU_CONTNAME: | |
1450 | key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype, ctx->keytype); | |
1451 | break; | |
1452 | } | |
1453 | ||
1454 | return key; | |
1455 | } | |
1456 | ||
1457 | void capi_free_key(CAPI_KEY * key) | |
1458 | { | |
1459 | if (!key) | |
1460 | return; | |
1461 | CryptDestroyKey(key->key); | |
1462 | CryptReleaseContext(key->hprov, 0); | |
1463 | if (key->pcert) | |
1464 | CertFreeCertificateContext(key->pcert); | |
1465 | OPENSSL_free(key); | |
1466 | } | |
7a18ecb2 DSH |
1467 | |
1468 | /* Initialize a CAPI_CTX structure */ | |
1469 | ||
1470 | static CAPI_CTX *capi_ctx_new() | |
10621efd MC |
1471 | { |
1472 | CAPI_CTX *ctx; | |
1473 | ctx = OPENSSL_malloc(sizeof(CAPI_CTX)); | |
1474 | if (!ctx) { | |
1475 | CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE); | |
1476 | return NULL; | |
1477 | } | |
1478 | ctx->cspname = NULL; | |
1479 | ctx->csptype = PROV_RSA_FULL; | |
1480 | ctx->dump_flags = CAPI_DMP_SUMMARY | CAPI_DMP_FNAME; | |
1481 | ctx->keytype = AT_KEYEXCHANGE; | |
1482 | ctx->storename = NULL; | |
1483 | ctx->ssl_client_store = NULL; | |
1484 | ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG | | |
1485 | CERT_STORE_READONLY_FLAG | CERT_SYSTEM_STORE_CURRENT_USER; | |
1486 | ctx->lookup_method = CAPI_LU_SUBSTR; | |
1487 | ctx->debug_level = 0; | |
1488 | ctx->debug_file = NULL; | |
1489 | ctx->client_cert_select = cert_select_simple; | |
1490 | return ctx; | |
1491 | } | |
1492 | ||
1493 | static void capi_ctx_free(CAPI_CTX * ctx) | |
1494 | { | |
1495 | CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx); | |
1496 | if (!ctx) | |
1497 | return; | |
1498 | if (ctx->cspname) | |
1499 | OPENSSL_free(ctx->cspname); | |
1500 | if (ctx->debug_file) | |
1501 | OPENSSL_free(ctx->debug_file); | |
1502 | if (ctx->storename) | |
1503 | OPENSSL_free(ctx->storename); | |
1504 | if (ctx->ssl_client_store) | |
1505 | OPENSSL_free(ctx->ssl_client_store); | |
1506 | OPENSSL_free(ctx); | |
1507 | } | |
1508 | ||
1509 | static int capi_ctx_set_provname(CAPI_CTX * ctx, LPSTR pname, DWORD type, | |
1510 | int check) | |
1511 | { | |
1512 | CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type); | |
1513 | if (check) { | |
1514 | HCRYPTPROV hprov; | |
1515 | if (!CryptAcquireContextA(&hprov, NULL, pname, type, | |
1516 | CRYPT_VERIFYCONTEXT)) { | |
1517 | CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, | |
1518 | CAPI_R_CRYPTACQUIRECONTEXT_ERROR); | |
1519 | capi_addlasterror(); | |
1520 | return 0; | |
1521 | } | |
1522 | CryptReleaseContext(hprov, 0); | |
1523 | } | |
1524 | if (ctx->cspname) | |
1525 | OPENSSL_free(ctx->cspname); | |
1526 | ctx->cspname = BUF_strdup(pname); | |
1527 | ctx->csptype = type; | |
1528 | return 1; | |
1529 | } | |
1530 | ||
1531 | static int capi_ctx_set_provname_idx(CAPI_CTX * ctx, int idx) | |
1532 | { | |
1533 | LPSTR pname; | |
1534 | DWORD type; | |
1535 | int res; | |
1536 | if (capi_get_provname(ctx, &pname, &type, idx) != 1) | |
1537 | return 0; | |
1538 | res = capi_ctx_set_provname(ctx, pname, type, 0); | |
1539 | OPENSSL_free(pname); | |
1540 | return res; | |
1541 | } | |
7a18ecb2 | 1542 | |
b3c8dd4e | 1543 | static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x) |
10621efd MC |
1544 | { |
1545 | int i; | |
1546 | X509_NAME *nm; | |
1547 | /* Special case: empty list: match anything */ | |
1548 | if (sk_X509_NAME_num(ca_dn) <= 0) | |
1549 | return 1; | |
1550 | for (i = 0; i < sk_X509_NAME_num(ca_dn); i++) { | |
1551 | nm = sk_X509_NAME_value(ca_dn, i); | |
1552 | if (!X509_NAME_cmp(nm, X509_get_issuer_name(x))) | |
1553 | return 1; | |
1554 | } | |
1555 | return 0; | |
1556 | } | |
7d537d4f | 1557 | |
b3c8dd4e | 1558 | static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl, |
10621efd MC |
1559 | STACK_OF(X509_NAME) *ca_dn, X509 **pcert, |
1560 | EVP_PKEY **pkey, STACK_OF(X509) **pother, | |
1561 | UI_METHOD *ui_method, | |
1562 | void *callback_data) | |
1563 | { | |
1564 | STACK_OF(X509) *certs = NULL; | |
1565 | X509 *x; | |
1566 | char *storename; | |
1567 | const char *p; | |
1568 | int i, client_cert_idx; | |
1569 | HCERTSTORE hstore; | |
1570 | PCCERT_CONTEXT cert = NULL, excert = NULL; | |
1571 | CAPI_CTX *ctx; | |
1572 | CAPI_KEY *key; | |
1573 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1574 | ||
1575 | *pcert = NULL; | |
1576 | *pkey = NULL; | |
1577 | ||
1578 | storename = ctx->ssl_client_store; | |
1579 | if (!storename) | |
1580 | storename = "MY"; | |
1581 | ||
1582 | hstore = capi_open_store(ctx, storename); | |
1583 | if (!hstore) | |
1584 | return 0; | |
1585 | /* Enumerate all certificates collect any matches */ | |
1586 | for (i = 0;; i++) { | |
1587 | cert = CertEnumCertificatesInStore(hstore, cert); | |
1588 | if (!cert) | |
1589 | break; | |
1590 | p = cert->pbCertEncoded; | |
1591 | x = d2i_X509(NULL, &p, cert->cbCertEncoded); | |
1592 | if (!x) { | |
1593 | CAPI_trace(ctx, "Can't Parse Certificate %d\n", i); | |
1594 | continue; | |
1595 | } | |
1596 | if (cert_issuer_match(ca_dn, x) | |
1597 | && X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0)) { | |
1598 | key = capi_get_cert_key(ctx, cert); | |
1599 | if (!key) { | |
1600 | X509_free(x); | |
1601 | continue; | |
1602 | } | |
1603 | /* | |
1604 | * Match found: attach extra data to it so we can retrieve the | |
1605 | * key later. | |
1606 | */ | |
1607 | excert = CertDuplicateCertificateContext(cert); | |
1608 | key->pcert = excert; | |
1609 | X509_set_ex_data(x, cert_capi_idx, key); | |
1610 | ||
1611 | if (!certs) | |
1612 | certs = sk_X509_new_null(); | |
1613 | ||
1614 | sk_X509_push(certs, x); | |
1615 | } else | |
1616 | X509_free(x); | |
1617 | ||
1618 | } | |
1619 | ||
1620 | if (cert) | |
1621 | CertFreeCertificateContext(cert); | |
1622 | if (hstore) | |
1623 | CertCloseStore(hstore, 0); | |
1624 | ||
1625 | if (!certs) | |
1626 | return 0; | |
1627 | ||
1628 | /* Select the appropriate certificate */ | |
1629 | ||
1630 | client_cert_idx = ctx->client_cert_select(e, ssl, certs); | |
1631 | ||
1632 | /* Set the selected certificate and free the rest */ | |
1633 | ||
1634 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1635 | x = sk_X509_value(certs, i); | |
1636 | if (i == client_cert_idx) | |
1637 | *pcert = x; | |
1638 | else { | |
1639 | key = X509_get_ex_data(x, cert_capi_idx); | |
1640 | capi_free_key(key); | |
1641 | X509_free(x); | |
1642 | } | |
1643 | } | |
1644 | ||
1645 | sk_X509_free(certs); | |
1646 | ||
1647 | if (!*pcert) | |
1648 | return 0; | |
1649 | ||
1650 | /* Setup key for selected certificate */ | |
1651 | ||
1652 | key = X509_get_ex_data(*pcert, cert_capi_idx); | |
1653 | *pkey = capi_get_pkey(e, key); | |
1654 | X509_set_ex_data(*pcert, cert_capi_idx, NULL); | |
1655 | ||
1656 | return 1; | |
1657 | ||
1658 | } | |
e0f7b872 DSH |
1659 | |
1660 | /* Simple client cert selection function: always select first */ | |
1661 | ||
1cd504e7 | 1662 | static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
10621efd MC |
1663 | { |
1664 | return 0; | |
1665 | } | |
e0f7b872 | 1666 | |
10621efd | 1667 | # ifdef OPENSSL_CAPIENG_DIALOG |
e0f7b872 | 1668 | |
10621efd MC |
1669 | /* |
1670 | * More complex cert selection function, using standard function | |
e0f7b872 DSH |
1671 | * CryptUIDlgSelectCertificateFromStore() to produce a dialog box. |
1672 | */ | |
1673 | ||
10621efd MC |
1674 | /* |
1675 | * Definitions which are in cryptuiapi.h but this is not present in older | |
a0f3679b DSH |
1676 | * versions of headers. |
1677 | */ | |
1678 | ||
10621efd MC |
1679 | # ifndef CRYPTUI_SELECT_LOCATION_COLUMN |
1680 | # define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010 | |
1681 | # define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004 | |
1682 | # endif | |
e0f7b872 | 1683 | |
10621efd MC |
1684 | # define dlg_title L"OpenSSL Application SSL Client Certificate Selection" |
1685 | # define dlg_prompt L"Select a certificate to use for authentication" | |
1686 | # define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \ | |
1687 | |CRYPTUI_SELECT_INTENDEDUSE_COLUMN | |
1381bf90 | 1688 | |
1cd504e7 | 1689 | static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs) |
10621efd MC |
1690 | { |
1691 | X509 *x; | |
1692 | HCERTSTORE dstore; | |
1693 | PCCERT_CONTEXT cert; | |
1694 | CAPI_CTX *ctx; | |
1695 | CAPI_KEY *key; | |
1696 | HWND hwnd; | |
1697 | int i, idx = -1; | |
1698 | if (sk_X509_num(certs) == 1) | |
1699 | return 0; | |
1700 | ctx = ENGINE_get_ex_data(e, capi_idx); | |
1701 | /* Create an in memory store of certificates */ | |
1702 | dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0, | |
1703 | CERT_STORE_CREATE_NEW_FLAG, NULL); | |
1704 | if (!dstore) { | |
1705 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE); | |
1706 | capi_addlasterror(); | |
1707 | goto err; | |
1708 | } | |
1709 | /* Add all certificates to store */ | |
1710 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1711 | x = sk_X509_value(certs, i); | |
1712 | key = X509_get_ex_data(x, cert_capi_idx); | |
1713 | ||
1714 | if (!CertAddCertificateContextToStore(dstore, key->pcert, | |
1715 | CERT_STORE_ADD_NEW, NULL)) { | |
1716 | CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT); | |
1717 | capi_addlasterror(); | |
1718 | goto err; | |
1719 | } | |
1720 | ||
1721 | } | |
1722 | hwnd = GetForegroundWindow(); | |
1723 | if (!hwnd) | |
1724 | hwnd = GetActiveWindow(); | |
1725 | if (!hwnd && ctx->getconswindow) | |
1726 | hwnd = ctx->getconswindow(); | |
1727 | /* Call dialog to select one */ | |
1728 | cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt, | |
1729 | dlg_columns, 0, NULL); | |
1730 | ||
1731 | /* Find matching cert from list */ | |
1732 | if (cert) { | |
1733 | for (i = 0; i < sk_X509_num(certs); i++) { | |
1734 | x = sk_X509_value(certs, i); | |
1735 | key = X509_get_ex_data(x, cert_capi_idx); | |
1736 | if (CertCompareCertificate | |
1737 | (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, cert->pCertInfo, | |
1738 | key->pcert->pCertInfo)) { | |
1739 | idx = i; | |
1740 | break; | |
1741 | } | |
1742 | } | |
1743 | } | |
1744 | ||
1745 | err: | |
1746 | if (dstore) | |
1747 | CertCloseStore(dstore, 0); | |
1748 | return idx; | |
1749 | ||
1750 | } | |
1751 | # endif | |
1752 | ||
1753 | #else /* !__COMPILE_CAPIENG */ | |
1754 | # include <openssl/engine.h> | |
1755 | # ifndef OPENSSL_NO_DYNAMIC_ENGINE | |
492279f6 | 1756 | OPENSSL_EXPORT |
10621efd | 1757 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); |
b5b72434 | 1758 | OPENSSL_EXPORT |
10621efd MC |
1759 | int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) |
1760 | { | |
1761 | return 0; | |
1762 | } | |
1763 | ||
492279f6 | 1764 | IMPLEMENT_DYNAMIC_CHECK_FN() |
10621efd MC |
1765 | # else |
1766 | void ENGINE_load_capi(void) | |
1767 | { | |
1768 | } | |
1769 | # endif | |
7a18ecb2 | 1770 | #endif |