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0f113f3e MC |
1 | /* |
2 | * Written by Zoltan Glozik (zglozik@stones.com) for the OpenSSL project | |
3 | * 2002. | |
c7235be6 UM |
4 | */ |
5 | /* ==================================================================== | |
6 | * Copyright (c) 2001 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 | |
0f113f3e | 13 | * notice, this list of conditions and the following disclaimer. |
c7235be6 UM |
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 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
f3852635 | 59 | #include <openssl/opensslconf.h> |
7188f1f6 MC |
60 | #ifdef OPENSSL_NO_TS |
61 | NON_EMPTY_TRANSLATION_UNIT | |
62 | #else | |
f3852635 RL |
63 | # include <stdio.h> |
64 | # include <stdlib.h> | |
65 | # include <string.h> | |
66 | # include "apps.h" | |
67 | # include <openssl/bio.h> | |
68 | # include <openssl/err.h> | |
69 | # include <openssl/pem.h> | |
70 | # include <openssl/rand.h> | |
71 | # include <openssl/ts.h> | |
72 | # include <openssl/bn.h> | |
c7235be6 | 73 | |
18cd23df | 74 | /* Request nonce length, in bits (must be a multiple of 8). */ |
f3852635 | 75 | # define NONCE_LENGTH 64 |
c7235be6 | 76 | |
18cd23df | 77 | /* Name of config entry that defines the OID file. */ |
f3852635 | 78 | # define ENV_OID_FILE "oid_file" |
c7235be6 | 79 | |
18cd23df | 80 | /* Is |EXACTLY_ONE| of three pointers set? */ |
f3852635 | 81 | # define EXACTLY_ONE(a, b, c) \ |
18cd23df RS |
82 | (( a && !b && !c) || \ |
83 | ( b && !a && !c) || \ | |
84 | ( c && !a && !b)) | |
c7235be6 UM |
85 | |
86 | static ASN1_OBJECT *txt2obj(const char *oid); | |
87 | static CONF *load_config_file(const char *configfile); | |
88 | ||
89 | /* Query related functions. */ | |
90 | static int query_command(const char *data, char *digest, | |
0f113f3e MC |
91 | const EVP_MD *md, const char *policy, int no_nonce, |
92 | int cert, const char *in, const char *out, int text); | |
c7235be6 | 93 | static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md, |
0f113f3e | 94 | const char *policy, int no_nonce, int cert); |
c7235be6 | 95 | static int create_digest(BIO *input, char *digest, |
0f113f3e | 96 | const EVP_MD *md, unsigned char **md_value); |
c7235be6 UM |
97 | static ASN1_INTEGER *create_nonce(int bits); |
98 | ||
99 | /* Reply related functions. */ | |
0f113f3e MC |
100 | static int reply_command(CONF *conf, char *section, char *engine, |
101 | char *queryfile, char *passin, char *inkey, | |
e20b4727 DSH |
102 | const EVP_MD *md, char *signer, char *chain, |
103 | const char *policy, char *in, int token_in, | |
104 | char *out, int token_out, int text); | |
c7235be6 UM |
105 | static TS_RESP *read_PKCS7(BIO *in_bio); |
106 | static TS_RESP *create_response(CONF *conf, const char *section, char *engine, | |
7e1b7485 | 107 | char *queryfile, char *passin, |
e20b4727 DSH |
108 | char *inkey, const EVP_MD *md, char *signer, |
109 | char *chain, const char *policy); | |
0f113f3e | 110 | static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data); |
c7235be6 UM |
111 | static ASN1_INTEGER *next_serial(const char *serialfile); |
112 | static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial); | |
113 | ||
114 | /* Verify related functions. */ | |
115 | static int verify_command(char *data, char *digest, char *queryfile, | |
0f113f3e | 116 | char *in, int token_in, |
08538fc0 | 117 | char *CApath, char *CAfile, char *untrusted, |
118 | X509_VERIFY_PARAM *vpm); | |
0f113f3e MC |
119 | static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, |
120 | char *queryfile, | |
7e1b7485 | 121 | char *CApath, char *CAfile, |
08538fc0 | 122 | char *untrusted, |
123 | X509_VERIFY_PARAM *vpm); | |
124 | static X509_STORE *create_cert_store(char *CApath, char *CAfile, | |
125 | X509_VERIFY_PARAM *vpm); | |
6d23cf97 | 126 | static int verify_cb(int ok, X509_STORE_CTX *ctx); |
c7235be6 | 127 | |
7e1b7485 RS |
128 | typedef enum OPTION_choice { |
129 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
130 | OPT_ENGINE, OPT_CONFIG, OPT_SECTION, OPT_QUERY, OPT_DATA, | |
08538fc0 | 131 | OPT_DIGEST, OPT_RAND, OPT_TSPOLICY, OPT_NO_NONCE, OPT_CERT, |
7e1b7485 RS |
132 | OPT_IN, OPT_TOKEN_IN, OPT_OUT, OPT_TOKEN_OUT, OPT_TEXT, |
133 | OPT_REPLY, OPT_QUERYFILE, OPT_PASSIN, OPT_INKEY, OPT_SIGNER, | |
134 | OPT_CHAIN, OPT_VERIFY, OPT_CAPATH, OPT_CAFILE, OPT_UNTRUSTED, | |
08538fc0 | 135 | OPT_MD, OPT_V_ENUM |
7e1b7485 RS |
136 | } OPTION_CHOICE; |
137 | ||
138 | OPTIONS ts_options[] = { | |
139 | {"help", OPT_HELP, '-', "Display this summary"}, | |
140 | {"config", OPT_CONFIG, '<', "Configuration file"}, | |
141 | {"section", OPT_SECTION, 's', "Section to use within config file"}, | |
142 | {"query", OPT_QUERY, '-', "Generate a TS query"}, | |
143 | {"data", OPT_DATA, '<', "File to hash"}, | |
144 | {"digest", OPT_DIGEST, 's', "Digest (as a hex string)"}, | |
145 | {"rand", OPT_RAND, 's', | |
146 | "Load the file(s) into the random number generator"}, | |
08538fc0 | 147 | {"tspolicy", OPT_TSPOLICY, 's', "Policy OID to use"}, |
7e1b7485 RS |
148 | {"no_nonce", OPT_NO_NONCE, '-', "Do not include a nonce"}, |
149 | {"cert", OPT_CERT, '-', "Put cert request into query"}, | |
150 | {"in", OPT_IN, '<', "Input file"}, | |
151 | {"token_in", OPT_TOKEN_IN, '-', "Input is a PKCS#7 file"}, | |
152 | {"out", OPT_OUT, '>', "Output file"}, | |
153 | {"token_out", OPT_TOKEN_OUT, '-', "Output is a PKCS#7 file"}, | |
154 | {"text", OPT_TEXT, '-', "Output text (not DER)"}, | |
155 | {"reply", OPT_REPLY, '-', "Generate a TS reply"}, | |
156 | {"queryfile", OPT_QUERYFILE, '<', "File containing a TS query"}, | |
157 | {"passin", OPT_PASSIN, 's'}, | |
158 | {"inkey", OPT_INKEY, '<', "File with private key for reply"}, | |
159 | {"signer", OPT_SIGNER, 's'}, | |
160 | {"chain", OPT_CHAIN, '<', "File with signer CA chain"}, | |
161 | {"verify", OPT_VERIFY, '-', "Verify a TS response"}, | |
162 | {"CApath", OPT_CAPATH, '/', "Path to trusted CA files"}, | |
163 | {"CAfile", OPT_CAFILE, '<', "File with trusted CA certs"}, | |
164 | {"untrusted", OPT_UNTRUSTED, '<', "File with untrusted certs"}, | |
9c3bcfa0 | 165 | {"", OPT_MD, '-', "Any supported digest"}, |
f3852635 | 166 | # ifndef OPENSSL_NO_ENGINE |
7e1b7485 | 167 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
f3852635 | 168 | # endif |
08538fc0 | 169 | {OPT_HELP_STR, 1, '-', "\nOptions specific to 'ts -verify': \n"}, |
170 | OPT_V_OPTIONS, | |
171 | {OPT_HELP_STR, 1, '-', "\n"}, | |
7e1b7485 RS |
172 | {NULL} |
173 | }; | |
c7235be6 | 174 | |
7e1b7485 RS |
175 | /* |
176 | * This comand is so complex, special help is needed. | |
177 | */ | |
178 | static char* opt_helplist[] = { | |
179 | "Typical uses:", | |
180 | "ts -query [-rand file...] [-config file] [-data file]", | |
08538fc0 | 181 | " [-digest hexstring] [-tspolicy oid] [-no_nonce] [-cert]", |
7e1b7485 RS |
182 | " [-in file] [-out file] [-text]", |
183 | " or", | |
184 | "ts -reply [-config file] [-section tsa_section]", | |
185 | " [-queryfile file] [-passin password]", | |
186 | " [-signer tsa_cert.pem] [-inkey private_key.pem]", | |
08538fc0 | 187 | " [-chain certs_file.pem] [-tspolicy oid]", |
7e1b7485 | 188 | " [-in file] [-token_in] [-out file] [-token_out]", |
f3852635 | 189 | # ifndef OPENSSL_NO_ENGINE |
7e1b7485 | 190 | " [-text]", |
f3852635 | 191 | # else |
7e1b7485 | 192 | " [-text] [-engine id]", |
f3852635 | 193 | # endif |
7e1b7485 RS |
194 | " or", |
195 | "ts -verify -CApath dir -CAfile file.pem -untrusted file.pem", | |
196 | " [-data file] [-digest hexstring]", | |
197 | " [-queryfile file] -in file [-token_in]", | |
08538fc0 | 198 | " [[options specific to 'ts -verify']]", |
7e1b7485 RS |
199 | NULL, |
200 | }; | |
201 | ||
202 | int ts_main(int argc, char **argv) | |
0f113f3e | 203 | { |
0f113f3e | 204 | CONF *conf = NULL; |
7e1b7485 | 205 | char *CAfile = NULL, *untrusted = NULL, *engine = NULL, *prog, **helpp; |
cc01d217 RS |
206 | char *configfile = default_config_file; |
207 | char *section = NULL, *password = NULL; | |
7e1b7485 RS |
208 | char *data = NULL, *digest = NULL, *rnd = NULL, *policy = NULL; |
209 | char *in = NULL, *out = NULL, *queryfile = NULL, *passin = NULL; | |
210 | char *inkey = NULL, *signer = NULL, *chain = NULL, *CApath = NULL; | |
0f113f3e | 211 | const EVP_MD *md = NULL; |
7e1b7485 RS |
212 | OPTION_CHOICE o, mode = OPT_ERR; |
213 | int ret = 1, no_nonce = 0, cert = 0, text = 0; | |
08538fc0 | 214 | int vpmtouched = 0; |
215 | X509_VERIFY_PARAM *vpm = NULL; | |
0f113f3e MC |
216 | /* Input is ContentInfo instead of TimeStampResp. */ |
217 | int token_in = 0; | |
218 | /* Output is ContentInfo instead of TimeStampResp. */ | |
219 | int token_out = 0; | |
0f113f3e | 220 | |
08538fc0 | 221 | if ((vpm = X509_VERIFY_PARAM_new()) == NULL) |
222 | goto end; | |
223 | ||
7e1b7485 RS |
224 | prog = opt_init(argc, argv, ts_options); |
225 | while ((o = opt_next()) != OPT_EOF) { | |
226 | switch (o) { | |
227 | case OPT_EOF: | |
228 | case OPT_ERR: | |
229 | opthelp: | |
230 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
231 | goto end; | |
232 | case OPT_HELP: | |
233 | opt_help(ts_options); | |
234 | for (helpp = opt_helplist; *helpp; ++helpp) | |
235 | BIO_printf(bio_err, "%s\n", *helpp); | |
236 | ret = 0; | |
237 | goto end; | |
238 | case OPT_CONFIG: | |
239 | configfile = opt_arg(); | |
240 | break; | |
241 | case OPT_SECTION: | |
242 | section = opt_arg(); | |
243 | break; | |
244 | case OPT_QUERY: | |
245 | case OPT_REPLY: | |
246 | case OPT_VERIFY: | |
247 | if (mode != OPT_ERR) | |
248 | goto opthelp; | |
249 | mode = o; | |
250 | break; | |
251 | case OPT_DATA: | |
252 | data = opt_arg(); | |
253 | break; | |
254 | case OPT_DIGEST: | |
255 | digest = opt_arg(); | |
256 | break; | |
257 | case OPT_RAND: | |
258 | rnd = opt_arg(); | |
259 | break; | |
08538fc0 | 260 | case OPT_TSPOLICY: |
7e1b7485 RS |
261 | policy = opt_arg(); |
262 | break; | |
263 | case OPT_NO_NONCE: | |
0f113f3e | 264 | no_nonce = 1; |
7e1b7485 RS |
265 | break; |
266 | case OPT_CERT: | |
0f113f3e | 267 | cert = 1; |
7e1b7485 RS |
268 | break; |
269 | case OPT_IN: | |
270 | in = opt_arg(); | |
271 | break; | |
272 | case OPT_TOKEN_IN: | |
0f113f3e | 273 | token_in = 1; |
7e1b7485 RS |
274 | break; |
275 | case OPT_OUT: | |
276 | out = opt_arg(); | |
277 | break; | |
278 | case OPT_TOKEN_OUT: | |
0f113f3e | 279 | token_out = 1; |
7e1b7485 RS |
280 | break; |
281 | case OPT_TEXT: | |
0f113f3e | 282 | text = 1; |
7e1b7485 RS |
283 | break; |
284 | case OPT_QUERYFILE: | |
285 | queryfile = opt_arg(); | |
286 | break; | |
287 | case OPT_PASSIN: | |
288 | passin = opt_arg(); | |
289 | break; | |
290 | case OPT_INKEY: | |
291 | inkey = opt_arg(); | |
292 | break; | |
293 | case OPT_SIGNER: | |
294 | signer = opt_arg(); | |
295 | break; | |
296 | case OPT_CHAIN: | |
297 | chain = opt_arg(); | |
298 | break; | |
299 | case OPT_CAPATH: | |
300 | CApath = opt_arg(); | |
301 | break; | |
302 | case OPT_CAFILE: | |
303 | CAfile = opt_arg(); | |
304 | break; | |
305 | case OPT_UNTRUSTED: | |
306 | untrusted = opt_arg(); | |
307 | break; | |
308 | case OPT_ENGINE: | |
309 | engine = opt_arg(); | |
310 | break; | |
311 | case OPT_MD: | |
312 | if (!opt_md(opt_unknown(), &md)) | |
313 | goto opthelp; | |
314 | break; | |
08538fc0 | 315 | case OPT_V_CASES: |
316 | if (!opt_verify(o, vpm)) | |
317 | goto end; | |
318 | vpmtouched++; | |
319 | break; | |
7e1b7485 | 320 | } |
0f113f3e | 321 | } |
7e1b7485 | 322 | argc = opt_num_rest(); |
08538fc0 | 323 | argv = opt_rest(); |
7e1b7485 RS |
324 | if (mode == OPT_ERR || argc != 0) |
325 | goto opthelp; | |
0f113f3e MC |
326 | |
327 | /* Seed the random number generator if it is going to be used. */ | |
7e1b7485 RS |
328 | if (mode == OPT_QUERY && !no_nonce) { |
329 | if (!app_RAND_load_file(NULL, 1) && rnd == NULL) | |
0f113f3e MC |
330 | BIO_printf(bio_err, "warning, not much extra random " |
331 | "data, consider using the -rand option\n"); | |
332 | if (rnd != NULL) | |
333 | BIO_printf(bio_err, "%ld semi-random bytes loaded\n", | |
334 | app_RAND_load_files(rnd)); | |
335 | } | |
336 | ||
7e1b7485 RS |
337 | if (mode == OPT_REPLY && passin && |
338 | !app_passwd(passin, NULL, &password, NULL)) { | |
0f113f3e | 339 | BIO_printf(bio_err, "Error getting password.\n"); |
7e1b7485 | 340 | goto end; |
0f113f3e MC |
341 | } |
342 | ||
296f54ee RL |
343 | conf = load_config_file(configfile); |
344 | if (!app_load_modules(conf)) | |
345 | goto end; | |
346 | ||
18cd23df | 347 | /* Check parameter consistency and execute the appropriate function. */ |
0f113f3e | 348 | switch (mode) { |
7e1b7485 RS |
349 | default: |
350 | case OPT_ERR: | |
351 | goto opthelp; | |
352 | case OPT_QUERY: | |
08538fc0 | 353 | if (vpmtouched) |
354 | goto opthelp; | |
18cd23df | 355 | if ((data != NULL) && (digest != NULL)) |
7e1b7485 | 356 | goto opthelp; |
0f113f3e MC |
357 | ret = !query_command(data, digest, md, policy, no_nonce, cert, |
358 | in, out, text); | |
359 | break; | |
7e1b7485 | 360 | case OPT_REPLY: |
08538fc0 | 361 | if (vpmtouched) |
362 | goto opthelp; | |
18cd23df RS |
363 | if ((in != NULL) && (queryfile != NULL)) |
364 | goto opthelp; | |
0f113f3e | 365 | if (in == NULL) { |
18cd23df | 366 | if ((conf == NULL) || (token_in != 0)) |
7e1b7485 | 367 | goto opthelp; |
0f113f3e | 368 | } |
0f113f3e | 369 | ret = !reply_command(conf, section, engine, queryfile, |
e20b4727 | 370 | password, inkey, md, signer, chain, policy, |
0f113f3e MC |
371 | in, token_in, out, token_out, text); |
372 | break; | |
7e1b7485 | 373 | case OPT_VERIFY: |
18cd23df | 374 | if ((in == NULL) || !EXACTLY_ONE(queryfile, data, digest)) |
7e1b7485 | 375 | goto opthelp; |
0f113f3e | 376 | ret = !verify_command(data, digest, queryfile, in, token_in, |
08538fc0 | 377 | CApath, CAfile, untrusted, |
378 | vpmtouched ? vpm : NULL); | |
0f113f3e MC |
379 | } |
380 | ||
7e1b7485 | 381 | end: |
08538fc0 | 382 | X509_VERIFY_PARAM_free(vpm); |
7e1b7485 | 383 | app_RAND_write_file(NULL); |
0f113f3e MC |
384 | NCONF_free(conf); |
385 | OPENSSL_free(password); | |
7e1b7485 | 386 | return (ret); |
0f113f3e | 387 | } |
c7235be6 UM |
388 | |
389 | /* | |
390 | * Configuration file-related function definitions. | |
391 | */ | |
392 | ||
393 | static ASN1_OBJECT *txt2obj(const char *oid) | |
0f113f3e MC |
394 | { |
395 | ASN1_OBJECT *oid_obj = NULL; | |
c7235be6 | 396 | |
75ebbd9a | 397 | if ((oid_obj = OBJ_txt2obj(oid, 0)) == NULL) |
0f113f3e | 398 | BIO_printf(bio_err, "cannot convert %s to OID\n", oid); |
c7235be6 | 399 | |
0f113f3e MC |
400 | return oid_obj; |
401 | } | |
c7235be6 UM |
402 | |
403 | static CONF *load_config_file(const char *configfile) | |
0f113f3e | 404 | { |
cc01d217 | 405 | CONF *conf = app_load_config(configfile); |
0f113f3e MC |
406 | |
407 | if (conf != NULL) { | |
408 | const char *p; | |
409 | ||
410 | BIO_printf(bio_err, "Using configuration from %s\n", configfile); | |
411 | p = NCONF_get_string(conf, NULL, ENV_OID_FILE); | |
412 | if (p != NULL) { | |
413 | BIO *oid_bio = BIO_new_file(p, "r"); | |
414 | if (!oid_bio) | |
415 | ERR_print_errors(bio_err); | |
416 | else { | |
417 | OBJ_create_objects(oid_bio); | |
418 | BIO_free_all(oid_bio); | |
419 | } | |
420 | } else | |
421 | ERR_clear_error(); | |
7e1b7485 | 422 | if (!add_oid_section(conf)) |
0f113f3e MC |
423 | ERR_print_errors(bio_err); |
424 | } | |
425 | return conf; | |
426 | } | |
c7235be6 UM |
427 | |
428 | /* | |
429 | * Query-related method definitions. | |
430 | */ | |
c7235be6 | 431 | static int query_command(const char *data, char *digest, const EVP_MD *md, |
0f113f3e MC |
432 | const char *policy, int no_nonce, |
433 | int cert, const char *in, const char *out, int text) | |
434 | { | |
435 | int ret = 0; | |
436 | TS_REQ *query = NULL; | |
437 | BIO *in_bio = NULL; | |
438 | BIO *data_bio = NULL; | |
439 | BIO *out_bio = NULL; | |
440 | ||
18cd23df | 441 | /* Build query object. */ |
0f113f3e | 442 | if (in != NULL) { |
bdd58d98 | 443 | if ((in_bio = bio_open_default(in, 'r', FORMAT_ASN1)) == NULL) |
0f113f3e MC |
444 | goto end; |
445 | query = d2i_TS_REQ_bio(in_bio, NULL); | |
446 | } else { | |
75ebbd9a | 447 | if (digest == NULL |
bdd58d98 | 448 | && (data_bio = bio_open_default(data, 'r', FORMAT_ASN1)) == NULL) |
0f113f3e | 449 | goto end; |
0f113f3e | 450 | query = create_query(data_bio, digest, md, policy, no_nonce, cert); |
0f113f3e MC |
451 | } |
452 | if (query == NULL) | |
453 | goto end; | |
454 | ||
0f113f3e | 455 | if (text) { |
bdd58d98 RL |
456 | if ((out_bio = bio_open_default(out, 'w', FORMAT_TEXT)) == NULL) |
457 | goto end; | |
0f113f3e MC |
458 | if (!TS_REQ_print_bio(out_bio, query)) |
459 | goto end; | |
460 | } else { | |
bdd58d98 RL |
461 | if ((out_bio = bio_open_default(out, 'w', FORMAT_ASN1)) == NULL) |
462 | goto end; | |
0f113f3e MC |
463 | if (!i2d_TS_REQ_bio(out_bio, query)) |
464 | goto end; | |
465 | } | |
466 | ||
467 | ret = 1; | |
c7235be6 UM |
468 | |
469 | end: | |
0f113f3e | 470 | ERR_print_errors(bio_err); |
0f113f3e MC |
471 | BIO_free_all(in_bio); |
472 | BIO_free_all(data_bio); | |
473 | BIO_free_all(out_bio); | |
474 | TS_REQ_free(query); | |
0f113f3e MC |
475 | return ret; |
476 | } | |
c7235be6 | 477 | |
c7235be6 | 478 | static TS_REQ *create_query(BIO *data_bio, char *digest, const EVP_MD *md, |
0f113f3e MC |
479 | const char *policy, int no_nonce, int cert) |
480 | { | |
481 | int ret = 0; | |
482 | TS_REQ *ts_req = NULL; | |
483 | int len; | |
484 | TS_MSG_IMPRINT *msg_imprint = NULL; | |
485 | X509_ALGOR *algo = NULL; | |
486 | unsigned char *data = NULL; | |
487 | ASN1_OBJECT *policy_obj = NULL; | |
488 | ASN1_INTEGER *nonce_asn1 = NULL; | |
489 | ||
75ebbd9a | 490 | if (md == NULL && (md = EVP_get_digestbyname("sha1")) == NULL) |
0f113f3e | 491 | goto err; |
75ebbd9a | 492 | if ((ts_req = TS_REQ_new()) == NULL) |
0f113f3e | 493 | goto err; |
0f113f3e MC |
494 | if (!TS_REQ_set_version(ts_req, 1)) |
495 | goto err; | |
75ebbd9a | 496 | if ((msg_imprint = TS_MSG_IMPRINT_new()) == NULL) |
0f113f3e | 497 | goto err; |
75ebbd9a | 498 | if ((algo = X509_ALGOR_new()) == NULL) |
0f113f3e | 499 | goto err; |
75ebbd9a | 500 | if ((algo->algorithm = OBJ_nid2obj(EVP_MD_type(md))) == NULL) |
0f113f3e | 501 | goto err; |
75ebbd9a | 502 | if ((algo->parameter = ASN1_TYPE_new()) == NULL) |
0f113f3e MC |
503 | goto err; |
504 | algo->parameter->type = V_ASN1_NULL; | |
505 | if (!TS_MSG_IMPRINT_set_algo(msg_imprint, algo)) | |
506 | goto err; | |
0f113f3e MC |
507 | if ((len = create_digest(data_bio, digest, md, &data)) == 0) |
508 | goto err; | |
509 | if (!TS_MSG_IMPRINT_set_msg(msg_imprint, data, len)) | |
510 | goto err; | |
0f113f3e MC |
511 | if (!TS_REQ_set_msg_imprint(ts_req, msg_imprint)) |
512 | goto err; | |
75ebbd9a | 513 | if (policy && (policy_obj = txt2obj(policy)) == NULL) |
0f113f3e MC |
514 | goto err; |
515 | if (policy_obj && !TS_REQ_set_policy_id(ts_req, policy_obj)) | |
516 | goto err; | |
517 | ||
518 | /* Setting nonce if requested. */ | |
75ebbd9a | 519 | if (!no_nonce && (nonce_asn1 = create_nonce(NONCE_LENGTH)) == NULL) |
0f113f3e MC |
520 | goto err; |
521 | if (nonce_asn1 && !TS_REQ_set_nonce(ts_req, nonce_asn1)) | |
522 | goto err; | |
0f113f3e MC |
523 | if (!TS_REQ_set_cert_req(ts_req, cert)) |
524 | goto err; | |
525 | ||
526 | ret = 1; | |
c7235be6 | 527 | err: |
0f113f3e MC |
528 | if (!ret) { |
529 | TS_REQ_free(ts_req); | |
530 | ts_req = NULL; | |
531 | BIO_printf(bio_err, "could not create query\n"); | |
18cd23df | 532 | ERR_print_errors(bio_err); |
0f113f3e MC |
533 | } |
534 | TS_MSG_IMPRINT_free(msg_imprint); | |
535 | X509_ALGOR_free(algo); | |
536 | OPENSSL_free(data); | |
537 | ASN1_OBJECT_free(policy_obj); | |
538 | ASN1_INTEGER_free(nonce_asn1); | |
539 | return ts_req; | |
540 | } | |
c7235be6 UM |
541 | |
542 | static int create_digest(BIO *input, char *digest, const EVP_MD *md, | |
0f113f3e MC |
543 | unsigned char **md_value) |
544 | { | |
545 | int md_value_len; | |
546 | ||
547 | md_value_len = EVP_MD_size(md); | |
548 | if (md_value_len < 0) | |
18cd23df RS |
549 | return 0; |
550 | ||
0f113f3e | 551 | if (input) { |
bfb0641f | 552 | EVP_MD_CTX *md_ctx = EVP_MD_CTX_new(); |
0f113f3e MC |
553 | unsigned char buffer[4096]; |
554 | int length; | |
555 | ||
6e59a892 RL |
556 | if (md_ctx == NULL) |
557 | return 0; | |
68dc6824 | 558 | *md_value = app_malloc(md_value_len, "digest buffer"); |
6e59a892 | 559 | EVP_DigestInit(md_ctx, md); |
0f113f3e | 560 | while ((length = BIO_read(input, buffer, sizeof(buffer))) > 0) { |
6e59a892 | 561 | EVP_DigestUpdate(md_ctx, buffer, length); |
0f113f3e | 562 | } |
6e59a892 | 563 | if (!EVP_DigestFinal(md_ctx, *md_value, NULL)) { |
bfb0641f | 564 | EVP_MD_CTX_free(md_ctx); |
0f113f3e | 565 | return 0; |
6e59a892 | 566 | } |
bfb0641f | 567 | EVP_MD_CTX_free(md_ctx); |
0f113f3e | 568 | } else { |
0f113f3e MC |
569 | long digest_len; |
570 | *md_value = string_to_hex(digest, &digest_len); | |
571 | if (!*md_value || md_value_len != digest_len) { | |
572 | OPENSSL_free(*md_value); | |
573 | *md_value = NULL; | |
574 | BIO_printf(bio_err, "bad digest, %d bytes " | |
575 | "must be specified\n", md_value_len); | |
18cd23df | 576 | return 0; |
0f113f3e MC |
577 | } |
578 | } | |
0f113f3e | 579 | return md_value_len; |
0f113f3e | 580 | } |
c7235be6 UM |
581 | |
582 | static ASN1_INTEGER *create_nonce(int bits) | |
0f113f3e MC |
583 | { |
584 | unsigned char buf[20]; | |
585 | ASN1_INTEGER *nonce = NULL; | |
586 | int len = (bits - 1) / 8 + 1; | |
587 | int i; | |
588 | ||
0f113f3e MC |
589 | if (len > (int)sizeof(buf)) |
590 | goto err; | |
591 | if (RAND_bytes(buf, len) <= 0) | |
592 | goto err; | |
593 | ||
594 | /* Find the first non-zero byte and creating ASN1_INTEGER object. */ | |
75ebbd9a RS |
595 | for (i = 0; i < len && !buf[i]; ++i) |
596 | continue; | |
597 | if ((nonce = ASN1_INTEGER_new()) == NULL) | |
0f113f3e MC |
598 | goto err; |
599 | OPENSSL_free(nonce->data); | |
0f113f3e | 600 | nonce->length = len - i; |
68dc6824 | 601 | nonce->data = app_malloc(nonce->length + 1, "nonce buffer"); |
0f113f3e | 602 | memcpy(nonce->data, buf + i, nonce->length); |
0f113f3e | 603 | return nonce; |
18cd23df | 604 | |
c7235be6 | 605 | err: |
0f113f3e MC |
606 | BIO_printf(bio_err, "could not create nonce\n"); |
607 | ASN1_INTEGER_free(nonce); | |
608 | return NULL; | |
609 | } | |
610 | ||
c7235be6 UM |
611 | /* |
612 | * Reply-related method definitions. | |
613 | */ | |
614 | ||
0f113f3e MC |
615 | static int reply_command(CONF *conf, char *section, char *engine, |
616 | char *queryfile, char *passin, char *inkey, | |
e20b4727 DSH |
617 | const EVP_MD *md, char *signer, char *chain, |
618 | const char *policy, char *in, int token_in, | |
0f113f3e MC |
619 | char *out, int token_out, int text) |
620 | { | |
621 | int ret = 0; | |
622 | TS_RESP *response = NULL; | |
623 | BIO *in_bio = NULL; | |
624 | BIO *query_bio = NULL; | |
625 | BIO *inkey_bio = NULL; | |
626 | BIO *signer_bio = NULL; | |
627 | BIO *out_bio = NULL; | |
628 | ||
0f113f3e MC |
629 | if (in != NULL) { |
630 | if ((in_bio = BIO_new_file(in, "rb")) == NULL) | |
631 | goto end; | |
632 | if (token_in) { | |
0f113f3e MC |
633 | response = read_PKCS7(in_bio); |
634 | } else { | |
0f113f3e MC |
635 | response = d2i_TS_RESP_bio(in_bio, NULL); |
636 | } | |
637 | } else { | |
638 | response = create_response(conf, section, engine, queryfile, | |
e20b4727 | 639 | passin, inkey, md, signer, chain, policy); |
0f113f3e MC |
640 | if (response) |
641 | BIO_printf(bio_err, "Response has been generated.\n"); | |
642 | else | |
643 | BIO_printf(bio_err, "Response is not generated.\n"); | |
644 | } | |
645 | if (response == NULL) | |
646 | goto end; | |
647 | ||
18cd23df | 648 | /* Write response. */ |
0f113f3e | 649 | if (text) { |
bdd58d98 RL |
650 | if ((out_bio = bio_open_default(out, 'w', FORMAT_TEXT)) == NULL) |
651 | goto end; | |
0f113f3e MC |
652 | if (token_out) { |
653 | TS_TST_INFO *tst_info = TS_RESP_get_tst_info(response); | |
654 | if (!TS_TST_INFO_print_bio(out_bio, tst_info)) | |
655 | goto end; | |
656 | } else { | |
657 | if (!TS_RESP_print_bio(out_bio, response)) | |
658 | goto end; | |
659 | } | |
660 | } else { | |
bdd58d98 RL |
661 | if ((out_bio = bio_open_default(out, 'w', FORMAT_ASN1)) == NULL) |
662 | goto end; | |
0f113f3e MC |
663 | if (token_out) { |
664 | PKCS7 *token = TS_RESP_get_token(response); | |
665 | if (!i2d_PKCS7_bio(out_bio, token)) | |
666 | goto end; | |
667 | } else { | |
668 | if (!i2d_TS_RESP_bio(out_bio, response)) | |
669 | goto end; | |
670 | } | |
671 | } | |
672 | ||
673 | ret = 1; | |
c7235be6 UM |
674 | |
675 | end: | |
0f113f3e | 676 | ERR_print_errors(bio_err); |
0f113f3e MC |
677 | BIO_free_all(in_bio); |
678 | BIO_free_all(query_bio); | |
679 | BIO_free_all(inkey_bio); | |
680 | BIO_free_all(signer_bio); | |
681 | BIO_free_all(out_bio); | |
682 | TS_RESP_free(response); | |
0f113f3e MC |
683 | return ret; |
684 | } | |
c7235be6 UM |
685 | |
686 | /* Reads a PKCS7 token and adds default 'granted' status info to it. */ | |
687 | static TS_RESP *read_PKCS7(BIO *in_bio) | |
0f113f3e MC |
688 | { |
689 | int ret = 0; | |
690 | PKCS7 *token = NULL; | |
691 | TS_TST_INFO *tst_info = NULL; | |
692 | TS_RESP *resp = NULL; | |
693 | TS_STATUS_INFO *si = NULL; | |
694 | ||
75ebbd9a | 695 | if ((token = d2i_PKCS7_bio(in_bio, NULL)) == NULL) |
0f113f3e | 696 | goto end; |
75ebbd9a | 697 | if ((tst_info = PKCS7_to_TS_TST_INFO(token)) == NULL) |
0f113f3e | 698 | goto end; |
75ebbd9a | 699 | if ((resp = TS_RESP_new()) == NULL) |
0f113f3e | 700 | goto end; |
75ebbd9a | 701 | if ((si = TS_STATUS_INFO_new()) == NULL) |
0f113f3e | 702 | goto end; |
ca4a494c | 703 | if (!TS_STATUS_INFO_set_status(si, TS_STATUS_GRANTED)) |
0f113f3e MC |
704 | goto end; |
705 | if (!TS_RESP_set_status_info(resp, si)) | |
706 | goto end; | |
0f113f3e MC |
707 | TS_RESP_set_tst_info(resp, token, tst_info); |
708 | token = NULL; /* Ownership is lost. */ | |
709 | tst_info = NULL; /* Ownership is lost. */ | |
0f113f3e | 710 | ret = 1; |
18cd23df | 711 | |
c7235be6 | 712 | end: |
0f113f3e MC |
713 | PKCS7_free(token); |
714 | TS_TST_INFO_free(tst_info); | |
715 | if (!ret) { | |
716 | TS_RESP_free(resp); | |
717 | resp = NULL; | |
718 | } | |
719 | TS_STATUS_INFO_free(si); | |
720 | return resp; | |
721 | } | |
722 | ||
723 | static TS_RESP *create_response(CONF *conf, const char *section, char *engine, | |
7e1b7485 | 724 | char *queryfile, char *passin, |
e20b4727 DSH |
725 | char *inkey, const EVP_MD *md, char *signer, |
726 | char *chain, const char *policy) | |
0f113f3e MC |
727 | { |
728 | int ret = 0; | |
729 | TS_RESP *response = NULL; | |
730 | BIO *query_bio = NULL; | |
731 | TS_RESP_CTX *resp_ctx = NULL; | |
732 | ||
75ebbd9a | 733 | if ((query_bio = BIO_new_file(queryfile, "rb")) == NULL) |
0f113f3e | 734 | goto end; |
75ebbd9a | 735 | if ((section = TS_CONF_get_tsa_section(conf, section)) == NULL) |
0f113f3e | 736 | goto end; |
75ebbd9a | 737 | if ((resp_ctx = TS_RESP_CTX_new()) == NULL) |
0f113f3e | 738 | goto end; |
0f113f3e MC |
739 | if (!TS_CONF_set_serial(conf, section, serial_cb, resp_ctx)) |
740 | goto end; | |
f3852635 | 741 | # ifndef OPENSSL_NO_ENGINE |
0f113f3e MC |
742 | if (!TS_CONF_set_crypto_device(conf, section, engine)) |
743 | goto end; | |
f3852635 | 744 | # endif |
0f113f3e MC |
745 | if (!TS_CONF_set_signer_cert(conf, section, signer, resp_ctx)) |
746 | goto end; | |
0f113f3e MC |
747 | if (!TS_CONF_set_certs(conf, section, chain, resp_ctx)) |
748 | goto end; | |
0f113f3e MC |
749 | if (!TS_CONF_set_signer_key(conf, section, inkey, passin, resp_ctx)) |
750 | goto end; | |
e20b4727 DSH |
751 | |
752 | if (md) { | |
753 | if (!TS_RESP_CTX_set_signer_digest(resp_ctx, md)) | |
754 | goto end; | |
755 | } else if (!TS_CONF_set_signer_digest(conf, section, NULL, resp_ctx)) { | |
756 | goto end; | |
757 | } | |
758 | ||
0f113f3e MC |
759 | if (!TS_CONF_set_def_policy(conf, section, policy, resp_ctx)) |
760 | goto end; | |
0f113f3e MC |
761 | if (!TS_CONF_set_policies(conf, section, resp_ctx)) |
762 | goto end; | |
0f113f3e MC |
763 | if (!TS_CONF_set_digests(conf, section, resp_ctx)) |
764 | goto end; | |
0f113f3e MC |
765 | if (!TS_CONF_set_accuracy(conf, section, resp_ctx)) |
766 | goto end; | |
0f113f3e MC |
767 | if (!TS_CONF_set_clock_precision_digits(conf, section, resp_ctx)) |
768 | goto end; | |
0f113f3e MC |
769 | if (!TS_CONF_set_ordering(conf, section, resp_ctx)) |
770 | goto end; | |
0f113f3e MC |
771 | if (!TS_CONF_set_tsa_name(conf, section, resp_ctx)) |
772 | goto end; | |
0f113f3e MC |
773 | if (!TS_CONF_set_ess_cert_id_chain(conf, section, resp_ctx)) |
774 | goto end; | |
75ebbd9a | 775 | if ((response = TS_RESP_create_response(resp_ctx, query_bio)) == NULL) |
0f113f3e | 776 | goto end; |
0f113f3e | 777 | ret = 1; |
18cd23df | 778 | |
c7235be6 | 779 | end: |
0f113f3e MC |
780 | if (!ret) { |
781 | TS_RESP_free(response); | |
782 | response = NULL; | |
783 | } | |
784 | TS_RESP_CTX_free(resp_ctx); | |
785 | BIO_free_all(query_bio); | |
0f113f3e MC |
786 | return response; |
787 | } | |
788 | ||
789 | static ASN1_INTEGER *serial_cb(TS_RESP_CTX *ctx, void *data) | |
790 | { | |
791 | const char *serial_file = (const char *)data; | |
792 | ASN1_INTEGER *serial = next_serial(serial_file); | |
793 | ||
794 | if (!serial) { | |
795 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION, | |
796 | "Error during serial number " | |
797 | "generation."); | |
798 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_ADD_INFO_NOT_AVAILABLE); | |
799 | } else | |
800 | save_ts_serial(serial_file, serial); | |
801 | ||
802 | return serial; | |
803 | } | |
c7235be6 UM |
804 | |
805 | static ASN1_INTEGER *next_serial(const char *serialfile) | |
0f113f3e MC |
806 | { |
807 | int ret = 0; | |
808 | BIO *in = NULL; | |
809 | ASN1_INTEGER *serial = NULL; | |
810 | BIGNUM *bn = NULL; | |
811 | ||
75ebbd9a | 812 | if ((serial = ASN1_INTEGER_new()) == NULL) |
0f113f3e MC |
813 | goto err; |
814 | ||
75ebbd9a | 815 | if ((in = BIO_new_file(serialfile, "r")) == NULL) { |
0f113f3e MC |
816 | ERR_clear_error(); |
817 | BIO_printf(bio_err, "Warning: could not open file %s for " | |
818 | "reading, using serial number: 1\n", serialfile); | |
819 | if (!ASN1_INTEGER_set(serial, 1)) | |
820 | goto err; | |
821 | } else { | |
822 | char buf[1024]; | |
823 | if (!a2i_ASN1_INTEGER(in, serial, buf, sizeof(buf))) { | |
824 | BIO_printf(bio_err, "unable to load number from %s\n", | |
825 | serialfile); | |
826 | goto err; | |
827 | } | |
75ebbd9a | 828 | if ((bn = ASN1_INTEGER_to_BN(serial, NULL)) == NULL) |
0f113f3e MC |
829 | goto err; |
830 | ASN1_INTEGER_free(serial); | |
831 | serial = NULL; | |
832 | if (!BN_add_word(bn, 1)) | |
833 | goto err; | |
75ebbd9a | 834 | if ((serial = BN_to_ASN1_INTEGER(bn, NULL)) == NULL) |
0f113f3e MC |
835 | goto err; |
836 | } | |
837 | ret = 1; | |
18cd23df | 838 | |
c7235be6 | 839 | err: |
0f113f3e MC |
840 | if (!ret) { |
841 | ASN1_INTEGER_free(serial); | |
842 | serial = NULL; | |
843 | } | |
844 | BIO_free_all(in); | |
845 | BN_free(bn); | |
846 | return serial; | |
847 | } | |
c7235be6 UM |
848 | |
849 | static int save_ts_serial(const char *serialfile, ASN1_INTEGER *serial) | |
0f113f3e MC |
850 | { |
851 | int ret = 0; | |
852 | BIO *out = NULL; | |
853 | ||
75ebbd9a | 854 | if ((out = BIO_new_file(serialfile, "w")) == NULL) |
0f113f3e MC |
855 | goto err; |
856 | if (i2a_ASN1_INTEGER(out, serial) <= 0) | |
857 | goto err; | |
858 | if (BIO_puts(out, "\n") <= 0) | |
859 | goto err; | |
860 | ret = 1; | |
c7235be6 | 861 | err: |
0f113f3e MC |
862 | if (!ret) |
863 | BIO_printf(bio_err, "could not save serial number to %s\n", | |
864 | serialfile); | |
865 | BIO_free_all(out); | |
866 | return ret; | |
867 | } | |
c7235be6 | 868 | |
18cd23df | 869 | |
c7235be6 UM |
870 | /* |
871 | * Verify-related method definitions. | |
872 | */ | |
873 | ||
874 | static int verify_command(char *data, char *digest, char *queryfile, | |
0f113f3e | 875 | char *in, int token_in, |
08538fc0 | 876 | char *CApath, char *CAfile, char *untrusted, |
877 | X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
878 | { |
879 | BIO *in_bio = NULL; | |
880 | PKCS7 *token = NULL; | |
881 | TS_RESP *response = NULL; | |
882 | TS_VERIFY_CTX *verify_ctx = NULL; | |
883 | int ret = 0; | |
884 | ||
75ebbd9a | 885 | if ((in_bio = BIO_new_file(in, "rb")) == NULL) |
0f113f3e MC |
886 | goto end; |
887 | if (token_in) { | |
75ebbd9a | 888 | if ((token = d2i_PKCS7_bio(in_bio, NULL)) == NULL) |
0f113f3e MC |
889 | goto end; |
890 | } else { | |
75ebbd9a | 891 | if ((response = d2i_TS_RESP_bio(in_bio, NULL)) == NULL) |
0f113f3e MC |
892 | goto end; |
893 | } | |
894 | ||
75ebbd9a | 895 | if ((verify_ctx = create_verify_ctx(data, digest, queryfile, |
08538fc0 | 896 | CApath, CAfile, untrusted, |
897 | vpm)) == NULL) | |
0f113f3e MC |
898 | goto end; |
899 | ||
18cd23df RS |
900 | ret = token_in |
901 | ? TS_RESP_verify_token(verify_ctx, token) | |
902 | : TS_RESP_verify_response(verify_ctx, response); | |
c7235be6 UM |
903 | |
904 | end: | |
0f113f3e MC |
905 | printf("Verification: "); |
906 | if (ret) | |
907 | printf("OK\n"); | |
908 | else { | |
909 | printf("FAILED\n"); | |
0f113f3e MC |
910 | ERR_print_errors(bio_err); |
911 | } | |
912 | ||
0f113f3e MC |
913 | BIO_free_all(in_bio); |
914 | PKCS7_free(token); | |
915 | TS_RESP_free(response); | |
916 | TS_VERIFY_CTX_free(verify_ctx); | |
917 | return ret; | |
918 | } | |
919 | ||
920 | static TS_VERIFY_CTX *create_verify_ctx(char *data, char *digest, | |
921 | char *queryfile, | |
7e1b7485 | 922 | char *CApath, char *CAfile, |
08538fc0 | 923 | char *untrusted, |
924 | X509_VERIFY_PARAM *vpm) | |
0f113f3e MC |
925 | { |
926 | TS_VERIFY_CTX *ctx = NULL; | |
927 | BIO *input = NULL; | |
928 | TS_REQ *request = NULL; | |
929 | int ret = 0; | |
ca4a494c | 930 | int f = 0; |
0f113f3e MC |
931 | |
932 | if (data != NULL || digest != NULL) { | |
75ebbd9a | 933 | if ((ctx = TS_VERIFY_CTX_new()) == NULL) |
0f113f3e | 934 | goto err; |
ca4a494c | 935 | f = TS_VFY_VERSION | TS_VFY_SIGNER; |
0f113f3e | 936 | if (data != NULL) { |
ca4a494c RS |
937 | f |= TS_VFY_DATA; |
938 | if (TS_VERIFY_CTX_set_data(ctx, BIO_new_file(data, "rb")) == NULL) | |
0f113f3e MC |
939 | goto err; |
940 | } else if (digest != NULL) { | |
941 | long imprint_len; | |
ca4a494c RS |
942 | unsigned char *hexstr = string_to_hex(digest, &imprint_len); |
943 | f |= TS_VFY_IMPRINT; | |
944 | if (TS_VERIFY_CTX_set_imprint(ctx, hexstr, imprint_len) == NULL) { | |
0f113f3e MC |
945 | BIO_printf(bio_err, "invalid digest string\n"); |
946 | goto err; | |
947 | } | |
0f113f3e MC |
948 | } |
949 | ||
950 | } else if (queryfile != NULL) { | |
75ebbd9a | 951 | if ((input = BIO_new_file(queryfile, "rb")) == NULL) |
0f113f3e | 952 | goto err; |
75ebbd9a | 953 | if ((request = d2i_TS_REQ_bio(input, NULL)) == NULL) |
0f113f3e | 954 | goto err; |
75ebbd9a | 955 | if ((ctx = TS_REQ_to_TS_VERIFY_CTX(request, NULL)) == NULL) |
0f113f3e MC |
956 | goto err; |
957 | } else | |
958 | return NULL; | |
959 | ||
960 | /* Add the signature verification flag and arguments. */ | |
ca4a494c | 961 | TS_VERIFY_CTX_add_flags(ctx, f | TS_VFY_SIGNATURE); |
0f113f3e MC |
962 | |
963 | /* Initialising the X509_STORE object. */ | |
08538fc0 | 964 | if (TS_VERIFY_CTX_set_store(ctx, create_cert_store(CApath, CAfile, vpm)) |
ca4a494c | 965 | == NULL) |
0f113f3e MC |
966 | goto err; |
967 | ||
968 | /* Loading untrusted certificates. */ | |
ca4a494c RS |
969 | if (untrusted |
970 | && TS_VERIFY_CTS_set_certs(ctx, TS_CONF_load_certs(untrusted)) == NULL) | |
0f113f3e | 971 | goto err; |
0f113f3e | 972 | ret = 1; |
18cd23df | 973 | |
c7235be6 | 974 | err: |
0f113f3e MC |
975 | if (!ret) { |
976 | TS_VERIFY_CTX_free(ctx); | |
977 | ctx = NULL; | |
978 | } | |
979 | BIO_free_all(input); | |
980 | TS_REQ_free(request); | |
981 | return ctx; | |
982 | } | |
c7235be6 | 983 | |
08538fc0 | 984 | static X509_STORE *create_cert_store(char *CApath, char *CAfile, X509_VERIFY_PARAM *vpm) |
0f113f3e MC |
985 | { |
986 | X509_STORE *cert_ctx = NULL; | |
987 | X509_LOOKUP *lookup = NULL; | |
988 | int i; | |
989 | ||
0f113f3e | 990 | cert_ctx = X509_STORE_new(); |
0f113f3e | 991 | X509_STORE_set_verify_cb(cert_ctx, verify_cb); |
96487cdd | 992 | if (CApath != NULL) { |
0f113f3e MC |
993 | lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_hash_dir()); |
994 | if (lookup == NULL) { | |
995 | BIO_printf(bio_err, "memory allocation failure\n"); | |
996 | goto err; | |
997 | } | |
7e1b7485 | 998 | i = X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM); |
0f113f3e | 999 | if (!i) { |
7e1b7485 | 1000 | BIO_printf(bio_err, "Error loading directory %s\n", CApath); |
0f113f3e MC |
1001 | goto err; |
1002 | } | |
1003 | } | |
1004 | ||
96487cdd | 1005 | if (CAfile != NULL) { |
0f113f3e MC |
1006 | lookup = X509_STORE_add_lookup(cert_ctx, X509_LOOKUP_file()); |
1007 | if (lookup == NULL) { | |
1008 | BIO_printf(bio_err, "memory allocation failure\n"); | |
1009 | goto err; | |
1010 | } | |
7e1b7485 | 1011 | i = X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM); |
0f113f3e | 1012 | if (!i) { |
7e1b7485 | 1013 | BIO_printf(bio_err, "Error loading file %s\n", CAfile); |
0f113f3e MC |
1014 | goto err; |
1015 | } | |
1016 | } | |
08538fc0 | 1017 | |
1018 | if (vpm != NULL) | |
1019 | X509_STORE_set1_param(cert_ctx, vpm); | |
1020 | ||
0f113f3e | 1021 | return cert_ctx; |
18cd23df | 1022 | |
c7235be6 | 1023 | err: |
0f113f3e MC |
1024 | X509_STORE_free(cert_ctx); |
1025 | return NULL; | |
1026 | } | |
c7235be6 | 1027 | |
6d23cf97 | 1028 | static int verify_cb(int ok, X509_STORE_CTX *ctx) |
0f113f3e | 1029 | { |
0f113f3e MC |
1030 | return ok; |
1031 | } | |
f3852635 | 1032 | #endif |