xref: /openbsd/lib/libcrypto/ts/ts.h (revision 695fd1d8)
1 /* $OpenBSD: ts.h,v 1.24 2024/03/26 00:39:22 beck Exp $ */
2 /* Written by Zoltan Glozik (zglozik@opentsa.org) for the OpenSSL
3  * project 2002, 2003, 2004.
4  */
5 /* ====================================================================
6  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * 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 
59 #ifndef HEADER_TS_H
60 #define HEADER_TS_H
61 
62 #include <openssl/opensslconf.h>
63 
64 #ifndef OPENSSL_NO_BUFFER
65 #include <openssl/buffer.h>
66 #endif
67 #ifndef OPENSSL_NO_EVP
68 #include <openssl/evp.h>
69 #endif
70 #ifndef OPENSSL_NO_BIO
71 #include <openssl/bio.h>
72 #endif
73 #include <openssl/stack.h>
74 #include <openssl/asn1.h>
75 #include <openssl/safestack.h>
76 
77 #ifndef OPENSSL_NO_RSA
78 #include <openssl/rsa.h>
79 #endif
80 
81 #ifndef OPENSSL_NO_DSA
82 #include <openssl/dsa.h>
83 #endif
84 
85 #ifndef OPENSSL_NO_DH
86 #include <openssl/dh.h>
87 #endif
88 
89 #ifdef  __cplusplus
90 extern "C" {
91 #endif
92 
93 #include <openssl/x509.h>
94 #include <openssl/x509v3.h>
95 
96 typedef struct TS_msg_imprint_st TS_MSG_IMPRINT;
97 typedef struct TS_req_st TS_REQ;
98 typedef struct TS_accuracy_st TS_ACCURACY;
99 typedef struct TS_tst_info_st TS_TST_INFO;
100 
101 /* Possible values for status. */
102 #define	TS_STATUS_GRANTED			0
103 #define	TS_STATUS_GRANTED_WITH_MODS		1
104 #define	TS_STATUS_REJECTION			2
105 #define	TS_STATUS_WAITING			3
106 #define	TS_STATUS_REVOCATION_WARNING		4
107 #define	TS_STATUS_REVOCATION_NOTIFICATION	5
108 
109 /* Possible values for failure_info. */
110 #define	TS_INFO_BAD_ALG			0
111 #define	TS_INFO_BAD_REQUEST		2
112 #define	TS_INFO_BAD_DATA_FORMAT		5
113 #define	TS_INFO_TIME_NOT_AVAILABLE	14
114 #define	TS_INFO_UNACCEPTED_POLICY	15
115 #define	TS_INFO_UNACCEPTED_EXTENSION	16
116 #define	TS_INFO_ADD_INFO_NOT_AVAILABLE	17
117 #define	TS_INFO_SYSTEM_FAILURE		25
118 
119 typedef struct TS_status_info_st TS_STATUS_INFO;
120 
121 DECLARE_STACK_OF(ASN1_UTF8STRING)
122 
123 typedef struct ESS_issuer_serial ESS_ISSUER_SERIAL;
124 typedef struct ESS_cert_id ESS_CERT_ID;
125 DECLARE_STACK_OF(ESS_CERT_ID)
126 typedef struct ESS_signing_cert ESS_SIGNING_CERT;
127 
128 typedef struct ESS_cert_id_v2 ESS_CERT_ID_V2;
129 DECLARE_STACK_OF(ESS_CERT_ID_V2)
130 
131 typedef struct ESS_signing_cert_v2 ESS_SIGNING_CERT_V2;
132 
133 typedef struct TS_resp_st TS_RESP;
134 
135 TS_REQ	*TS_REQ_new(void);
136 void	TS_REQ_free(TS_REQ *a);
137 int	i2d_TS_REQ(const TS_REQ *a, unsigned char **pp);
138 TS_REQ	*d2i_TS_REQ(TS_REQ **a, const unsigned char **pp, long length);
139 
140 TS_REQ	*TS_REQ_dup(TS_REQ *a);
141 
142 TS_REQ	*d2i_TS_REQ_fp(FILE *fp, TS_REQ **a);
143 int	i2d_TS_REQ_fp(FILE *fp, TS_REQ *a);
144 TS_REQ	*d2i_TS_REQ_bio(BIO *fp, TS_REQ **a);
145 int	i2d_TS_REQ_bio(BIO *fp, TS_REQ *a);
146 
147 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_new(void);
148 void		TS_MSG_IMPRINT_free(TS_MSG_IMPRINT *a);
149 int		i2d_TS_MSG_IMPRINT(const TS_MSG_IMPRINT *a, unsigned char **pp);
150 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT(TS_MSG_IMPRINT **a,
151 		    const unsigned char **pp, long length);
152 
153 TS_MSG_IMPRINT	*TS_MSG_IMPRINT_dup(TS_MSG_IMPRINT *a);
154 
155 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a);
156 int		i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a);
157 TS_MSG_IMPRINT	*d2i_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT **a);
158 int		i2d_TS_MSG_IMPRINT_bio(BIO *fp, TS_MSG_IMPRINT *a);
159 
160 TS_RESP	*TS_RESP_new(void);
161 void	TS_RESP_free(TS_RESP *a);
162 int	i2d_TS_RESP(const TS_RESP *a, unsigned char **pp);
163 TS_RESP	*d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long length);
164 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token);
165 TS_RESP	*TS_RESP_dup(TS_RESP *a);
166 
167 TS_RESP	*d2i_TS_RESP_fp(FILE *fp, TS_RESP **a);
168 int	i2d_TS_RESP_fp(FILE *fp, TS_RESP *a);
169 TS_RESP	*d2i_TS_RESP_bio(BIO *fp, TS_RESP **a);
170 int	i2d_TS_RESP_bio(BIO *fp, TS_RESP *a);
171 
172 TS_STATUS_INFO	*TS_STATUS_INFO_new(void);
173 void		TS_STATUS_INFO_free(TS_STATUS_INFO *a);
174 int		i2d_TS_STATUS_INFO(const TS_STATUS_INFO *a, unsigned char **pp);
175 TS_STATUS_INFO	*d2i_TS_STATUS_INFO(TS_STATUS_INFO **a,
176 		    const unsigned char **pp, long length);
177 TS_STATUS_INFO	*TS_STATUS_INFO_dup(TS_STATUS_INFO *a);
178 
179 TS_TST_INFO	*TS_TST_INFO_new(void);
180 void		TS_TST_INFO_free(TS_TST_INFO *a);
181 int		i2d_TS_TST_INFO(const TS_TST_INFO *a, unsigned char **pp);
182 TS_TST_INFO	*d2i_TS_TST_INFO(TS_TST_INFO **a, const unsigned char **pp,
183 		    long length);
184 TS_TST_INFO	*TS_TST_INFO_dup(TS_TST_INFO *a);
185 
186 TS_TST_INFO	*d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a);
187 int		i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a);
188 TS_TST_INFO	*d2i_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO **a);
189 int		i2d_TS_TST_INFO_bio(BIO *fp, TS_TST_INFO *a);
190 
191 TS_ACCURACY	*TS_ACCURACY_new(void);
192 void		TS_ACCURACY_free(TS_ACCURACY *a);
193 int		i2d_TS_ACCURACY(const TS_ACCURACY *a, unsigned char **pp);
194 TS_ACCURACY	*d2i_TS_ACCURACY(TS_ACCURACY **a, const unsigned char **pp,
195 		    long length);
196 TS_ACCURACY	*TS_ACCURACY_dup(TS_ACCURACY *a);
197 
198 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_new(void);
199 void		  ESS_ISSUER_SERIAL_free(ESS_ISSUER_SERIAL *a);
200 int		  i2d_ESS_ISSUER_SERIAL(const ESS_ISSUER_SERIAL *a,
201 		    unsigned char **pp);
202 ESS_ISSUER_SERIAL *d2i_ESS_ISSUER_SERIAL(ESS_ISSUER_SERIAL **a,
203 		    const unsigned char **pp, long length);
204 ESS_ISSUER_SERIAL *ESS_ISSUER_SERIAL_dup(ESS_ISSUER_SERIAL *a);
205 
206 ESS_CERT_ID	*ESS_CERT_ID_new(void);
207 void		ESS_CERT_ID_free(ESS_CERT_ID *a);
208 int		i2d_ESS_CERT_ID(const ESS_CERT_ID *a, unsigned char **pp);
209 ESS_CERT_ID	*d2i_ESS_CERT_ID(ESS_CERT_ID **a, const unsigned char **pp,
210 		    long length);
211 ESS_CERT_ID	*ESS_CERT_ID_dup(ESS_CERT_ID *a);
212 
213 ESS_SIGNING_CERT *ESS_SIGNING_CERT_new(void);
214 void		 ESS_SIGNING_CERT_free(ESS_SIGNING_CERT *a);
215 int		 i2d_ESS_SIGNING_CERT(const ESS_SIGNING_CERT *a,
216 		    unsigned char **pp);
217 ESS_SIGNING_CERT *d2i_ESS_SIGNING_CERT(ESS_SIGNING_CERT **a,
218 		    const unsigned char **pp, long length);
219 ESS_SIGNING_CERT *ESS_SIGNING_CERT_dup(ESS_SIGNING_CERT *a);
220 
221 int TS_REQ_set_version(TS_REQ *a, long version);
222 long TS_REQ_get_version(const TS_REQ *a);
223 
224 int TS_REQ_set_msg_imprint(TS_REQ *a, TS_MSG_IMPRINT *msg_imprint);
225 TS_MSG_IMPRINT *TS_REQ_get_msg_imprint(TS_REQ *a);
226 
227 int TS_MSG_IMPRINT_set_algo(TS_MSG_IMPRINT *a, X509_ALGOR *alg);
228 X509_ALGOR *TS_MSG_IMPRINT_get_algo(TS_MSG_IMPRINT *a);
229 
230 int TS_MSG_IMPRINT_set_msg(TS_MSG_IMPRINT *a, unsigned char *d, int len);
231 ASN1_OCTET_STRING *TS_MSG_IMPRINT_get_msg(TS_MSG_IMPRINT *a);
232 
233 int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy);
234 ASN1_OBJECT *TS_REQ_get_policy_id(TS_REQ *a);
235 
236 int TS_REQ_set_nonce(TS_REQ *a, const ASN1_INTEGER *nonce);
237 const ASN1_INTEGER *TS_REQ_get_nonce(const TS_REQ *a);
238 
239 int TS_REQ_set_cert_req(TS_REQ *a, int cert_req);
240 int TS_REQ_get_cert_req(const TS_REQ *a);
241 
242 STACK_OF(X509_EXTENSION) *TS_REQ_get_exts(TS_REQ *a);
243 void TS_REQ_ext_free(TS_REQ *a);
244 int TS_REQ_get_ext_count(TS_REQ *a);
245 int TS_REQ_get_ext_by_NID(TS_REQ *a, int nid, int lastpos);
246 int TS_REQ_get_ext_by_OBJ(TS_REQ *a, const ASN1_OBJECT *obj, int lastpos);
247 int TS_REQ_get_ext_by_critical(TS_REQ *a, int crit, int lastpos);
248 X509_EXTENSION *TS_REQ_get_ext(TS_REQ *a, int loc);
249 X509_EXTENSION *TS_REQ_delete_ext(TS_REQ *a, int loc);
250 int TS_REQ_add_ext(TS_REQ *a, X509_EXTENSION *ex, int loc);
251 void *TS_REQ_get_ext_d2i(TS_REQ *a, int nid, int *crit, int *idx);
252 
253 /* Function declarations for TS_REQ defined in ts/ts_req_print.c */
254 
255 int TS_REQ_print_bio(BIO *bio, TS_REQ *a);
256 
257 /* Function declarations for TS_RESP defined in ts/ts_rsp_utils.c */
258 
259 int TS_RESP_set_status_info(TS_RESP *a, TS_STATUS_INFO *info);
260 TS_STATUS_INFO *TS_RESP_get_status_info(TS_RESP *a);
261 
262 const ASN1_UTF8STRING *TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *si);
263 const STACK_OF(ASN1_UTF8STRING) *
264     TS_STATUS_INFO_get0_text(const TS_STATUS_INFO *si);
265 const ASN1_INTEGER *TS_STATUS_INFO_get0_status(const TS_STATUS_INFO *si);
266 int TS_STATUS_INFO_set_status(TS_STATUS_INFO *si, int i);
267 
268 /* Caller loses ownership of PKCS7 and TS_TST_INFO objects. */
269 void TS_RESP_set_tst_info(TS_RESP *a, PKCS7 *p7, TS_TST_INFO *tst_info);
270 PKCS7 *TS_RESP_get_token(TS_RESP *a);
271 TS_TST_INFO *TS_RESP_get_tst_info(TS_RESP *a);
272 
273 int TS_TST_INFO_set_version(TS_TST_INFO *a, long version);
274 long TS_TST_INFO_get_version(const TS_TST_INFO *a);
275 
276 int TS_TST_INFO_set_policy_id(TS_TST_INFO *a, ASN1_OBJECT *policy_id);
277 ASN1_OBJECT *TS_TST_INFO_get_policy_id(TS_TST_INFO *a);
278 
279 int TS_TST_INFO_set_msg_imprint(TS_TST_INFO *a, TS_MSG_IMPRINT *msg_imprint);
280 TS_MSG_IMPRINT *TS_TST_INFO_get_msg_imprint(TS_TST_INFO *a);
281 
282 int TS_TST_INFO_set_serial(TS_TST_INFO *a, const ASN1_INTEGER *serial);
283 const ASN1_INTEGER *TS_TST_INFO_get_serial(const TS_TST_INFO *a);
284 
285 int TS_TST_INFO_set_time(TS_TST_INFO *a, const ASN1_GENERALIZEDTIME *gtime);
286 const ASN1_GENERALIZEDTIME *TS_TST_INFO_get_time(const TS_TST_INFO *a);
287 
288 int TS_TST_INFO_set_accuracy(TS_TST_INFO *a, TS_ACCURACY *accuracy);
289 TS_ACCURACY *TS_TST_INFO_get_accuracy(TS_TST_INFO *a);
290 
291 int TS_ACCURACY_set_seconds(TS_ACCURACY *a, const ASN1_INTEGER *seconds);
292 const ASN1_INTEGER *TS_ACCURACY_get_seconds(const TS_ACCURACY *a);
293 
294 int TS_ACCURACY_set_millis(TS_ACCURACY *a, const ASN1_INTEGER *millis);
295 const ASN1_INTEGER *TS_ACCURACY_get_millis(const TS_ACCURACY *a);
296 
297 int TS_ACCURACY_set_micros(TS_ACCURACY *a, const ASN1_INTEGER *micros);
298 const ASN1_INTEGER *TS_ACCURACY_get_micros(const TS_ACCURACY *a);
299 
300 int TS_TST_INFO_set_ordering(TS_TST_INFO *a, int ordering);
301 int TS_TST_INFO_get_ordering(const TS_TST_INFO *a);
302 
303 int TS_TST_INFO_set_nonce(TS_TST_INFO *a, const ASN1_INTEGER *nonce);
304 const ASN1_INTEGER *TS_TST_INFO_get_nonce(const TS_TST_INFO *a);
305 
306 int TS_TST_INFO_set_tsa(TS_TST_INFO *a, GENERAL_NAME *tsa);
307 GENERAL_NAME *TS_TST_INFO_get_tsa(TS_TST_INFO *a);
308 
309 STACK_OF(X509_EXTENSION) *TS_TST_INFO_get_exts(TS_TST_INFO *a);
310 void TS_TST_INFO_ext_free(TS_TST_INFO *a);
311 int TS_TST_INFO_get_ext_count(TS_TST_INFO *a);
312 int TS_TST_INFO_get_ext_by_NID(TS_TST_INFO *a, int nid, int lastpos);
313 int TS_TST_INFO_get_ext_by_OBJ(TS_TST_INFO *a, const ASN1_OBJECT *obj,
314     int lastpos);
315 int TS_TST_INFO_get_ext_by_critical(TS_TST_INFO *a, int crit, int lastpos);
316 X509_EXTENSION *TS_TST_INFO_get_ext(TS_TST_INFO *a, int loc);
317 X509_EXTENSION *TS_TST_INFO_delete_ext(TS_TST_INFO *a, int loc);
318 int TS_TST_INFO_add_ext(TS_TST_INFO *a, X509_EXTENSION *ex, int loc);
319 void *TS_TST_INFO_get_ext_d2i(TS_TST_INFO *a, int nid, int *crit, int *idx);
320 
321 /* Declarations related to response generation, defined in ts/ts_rsp_sign.c. */
322 
323 /* Optional flags for response generation. */
324 
325 /* Don't include the TSA name in response. */
326 #define	TS_TSA_NAME		0x01
327 
328 /* Set ordering to true in response. */
329 #define	TS_ORDERING		0x02
330 
331 /*
332  * Include the signer certificate and the other specified certificates in
333  * the ESS signing certificate attribute beside the PKCS7 signed data.
334  * Only the signer certificates is included by default.
335  */
336 #define	TS_ESS_CERT_ID_CHAIN	0x04
337 
338 /* Forward declaration. */
339 struct TS_resp_ctx;
340 
341 /* This must return a unique number less than 160 bits long. */
342 typedef ASN1_INTEGER *(*TS_serial_cb)(struct TS_resp_ctx *, void *);
343 
344 /* This must return the seconds and microseconds since Jan 1, 1970 in
345    the sec and usec variables allocated by the caller.
346    Return non-zero for success and zero for failure. */
347 typedef	int (*TS_time_cb)(struct TS_resp_ctx *, void *, time_t *sec, long *usec);
348 
349 /* This must process the given extension.
350  * It can modify the TS_TST_INFO object of the context.
351  * Return values: !0 (processed), 0 (error, it must set the
352  * status info/failure info of the response).
353  */
354 typedef	int (*TS_extension_cb)(struct TS_resp_ctx *, X509_EXTENSION *, void *);
355 
356 typedef struct TS_resp_ctx TS_RESP_CTX;
357 
358 DECLARE_STACK_OF(EVP_MD)
359 
360 /* Creates a response context that can be used for generating responses. */
361 TS_RESP_CTX *TS_RESP_CTX_new(void);
362 void TS_RESP_CTX_free(TS_RESP_CTX *ctx);
363 
364 /* This parameter must be set. */
365 int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer);
366 
367 /* This parameter must be set. */
368 int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key);
369 
370 /* This parameter must be set. */
371 int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy);
372 
373 /* No additional certs are included in the response by default. */
374 int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs);
375 
376 /* Adds a new acceptable policy, only the default policy
377    is accepted by default. */
378 int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy);
379 
380 /* Adds a new acceptable message digest. Note that no message digests
381    are accepted by default. The md argument is shared with the caller. */
382 int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md);
383 
384 /* Accuracy is not included by default. */
385 int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
386     int secs, int millis, int micros);
387 
388 /* Clock precision digits, i.e. the number of decimal digits:
389    '0' means sec, '3' msec, '6' usec, and so on. Default is 0. */
390 int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
391     unsigned clock_precision_digits);
392 /* At most we accept sec precision. */
393 #define TS_MAX_CLOCK_PRECISION_DIGITS 0
394 
395 /* No flags are set by default. */
396 void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags);
397 
398 /* Default callback always returns a constant. */
399 void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data);
400 
401 /* Default callback uses gettimeofday() and gmtime(). */
402 void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data);
403 
404 /* Default callback rejects all extensions. The extension callback is called
405  * when the TS_TST_INFO object is already set up and not signed yet. */
406 /* FIXME: extension handling is not tested yet. */
407 void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
408     TS_extension_cb cb, void *data);
409 
410 /* The following methods can be used in the callbacks. */
411 int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
412     int status, const char *text);
413 
414 /* Sets the status info only if it is still TS_STATUS_GRANTED. */
415 int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
416     int status, const char *text);
417 
418 int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure);
419 
420 /* The get methods below can be used in the extension callback. */
421 TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx);
422 
423 TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx);
424 
425 /*
426  * Creates the signed TS_TST_INFO and puts it in TS_RESP.
427  * In case of errors it sets the status info properly.
428  * Returns NULL only in case of memory allocation/fatal error.
429  */
430 TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio);
431 
432 /*
433  * Declarations related to response verification,
434  * they are defined in ts/ts_rsp_verify.c.
435  */
436 
437 int TS_RESP_verify_signature(PKCS7 *token, STACK_OF(X509) *certs,
438     X509_STORE *store, X509 **signer_out);
439 
440 /* Context structure for the generic verify method. */
441 
442 /* Verify the signer's certificate and the signature of the response. */
443 #define	TS_VFY_SIGNATURE	(1u << 0)
444 /* Verify the version number of the response. */
445 #define	TS_VFY_VERSION		(1u << 1)
446 /* Verify if the policy supplied by the user matches the policy of the TSA. */
447 #define	TS_VFY_POLICY		(1u << 2)
448 /* Verify the message imprint provided by the user. This flag should not be
449    specified with TS_VFY_DATA. */
450 #define	TS_VFY_IMPRINT		(1u << 3)
451 /* Verify the message imprint computed by the verify method from the user
452    provided data and the MD algorithm of the response. This flag should not be
453    specified with TS_VFY_IMPRINT. */
454 #define	TS_VFY_DATA		(1u << 4)
455 /* Verify the nonce value. */
456 #define	TS_VFY_NONCE		(1u << 5)
457 /* Verify if the TSA name field matches the signer certificate. */
458 #define	TS_VFY_SIGNER		(1u << 6)
459 /* Verify if the TSA name field equals to the user provided name. */
460 #define	TS_VFY_TSA_NAME		(1u << 7)
461 
462 /* You can use the following convenience constants. */
463 #define	TS_VFY_ALL_IMPRINT	(TS_VFY_SIGNATURE	\
464 				 | TS_VFY_VERSION	\
465 				 | TS_VFY_POLICY	\
466 				 | TS_VFY_IMPRINT	\
467 				 | TS_VFY_NONCE		\
468 				 | TS_VFY_SIGNER	\
469 				 | TS_VFY_TSA_NAME)
470 #define	TS_VFY_ALL_DATA		(TS_VFY_SIGNATURE	\
471 				 | TS_VFY_VERSION	\
472 				 | TS_VFY_POLICY	\
473 				 | TS_VFY_DATA		\
474 				 | TS_VFY_NONCE		\
475 				 | TS_VFY_SIGNER	\
476 				 | TS_VFY_TSA_NAME)
477 
478 typedef struct TS_verify_ctx TS_VERIFY_CTX;
479 
480 int TS_RESP_verify_response(TS_VERIFY_CTX *ctx, TS_RESP *response);
481 int TS_RESP_verify_token(TS_VERIFY_CTX *ctx, PKCS7 *token);
482 
483 /*
484  * Declarations related to response verification context,
485  * they are defined in ts/ts_verify_ctx.c.
486  */
487 
488 /* Set all fields to zero. */
489 TS_VERIFY_CTX *TS_VERIFY_CTX_new(void);
490 void TS_VERIFY_CTX_free(TS_VERIFY_CTX *ctx);
491 void TS_VERIFY_CTX_cleanup(TS_VERIFY_CTX *ctx);
492 
493 int TS_VERIFY_CTX_add_flags(TS_VERIFY_CTX *ctx, int flags);
494 int TS_VERIFY_CTX_set_flags(TS_VERIFY_CTX *ctx, int flags);
495 BIO *TS_VERIFY_CTX_set_data(TS_VERIFY_CTX *ctx, BIO *bio);
496 X509_STORE *TS_VERIFY_CTX_set_store(TS_VERIFY_CTX *ctx, X509_STORE *store);
497 /* R$ special */
498 #define TS_VERIFY_CTS_set_certs TS_VERIFY_CTX_set_certs
499 STACK_OF(X509) *TS_VERIFY_CTX_set_certs(TS_VERIFY_CTX *ctx,
500     STACK_OF(X509) *certs);
501 unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
502     unsigned char *imprint, long imprint_len);
503 
504 /*
505  * If ctx is NULL, it allocates and returns a new object, otherwise
506  * it returns ctx. It initialises all the members as follows:
507  * flags = TS_VFY_ALL_IMPRINT & ~(TS_VFY_TSA_NAME | TS_VFY_SIGNATURE)
508  * certs = NULL
509  * store = NULL
510  * policy = policy from the request or NULL if absent (in this case
511  *	TS_VFY_POLICY is cleared from flags as well)
512  * md_alg = MD algorithm from request
513  * imprint, imprint_len = imprint from request
514  * data = NULL
515  * nonce, nonce_len = nonce from the request or NULL if absent (in this case
516  *	TS_VFY_NONCE is cleared from flags as well)
517  * tsa_name = NULL
518  * Important: after calling this method TS_VFY_SIGNATURE should be added!
519  */
520 TS_VERIFY_CTX *TS_REQ_to_TS_VERIFY_CTX(TS_REQ *req, TS_VERIFY_CTX *ctx);
521 
522 /* Function declarations for TS_RESP defined in ts/ts_rsp_print.c */
523 
524 int TS_RESP_print_bio(BIO *bio, TS_RESP *a);
525 int TS_STATUS_INFO_print_bio(BIO *bio, TS_STATUS_INFO *a);
526 int TS_TST_INFO_print_bio(BIO *bio, TS_TST_INFO *a);
527 
528 /* Common utility functions defined in ts/ts_lib.c */
529 
530 int TS_ASN1_INTEGER_print_bio(BIO *bio, const ASN1_INTEGER *num);
531 int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj);
532 int TS_ext_print_bio(BIO *bio, const STACK_OF(X509_EXTENSION) *extensions);
533 int TS_X509_ALGOR_print_bio(BIO *bio, const X509_ALGOR *alg);
534 int TS_MSG_IMPRINT_print_bio(BIO *bio, TS_MSG_IMPRINT *msg);
535 
536 /* Function declarations for handling configuration options,
537    defined in ts/ts_conf.c */
538 
539 X509 *TS_CONF_load_cert(const char *file);
540 STACK_OF(X509) *TS_CONF_load_certs(const char *file);
541 EVP_PKEY *TS_CONF_load_key(const char *file, const char *pass);
542 const char *TS_CONF_get_tsa_section(CONF *conf, const char *section);
543 int TS_CONF_set_serial(CONF *conf, const char *section, TS_serial_cb cb,
544     TS_RESP_CTX *ctx);
545 int TS_CONF_set_signer_cert(CONF *conf, const char *section,
546     const char *cert, TS_RESP_CTX *ctx);
547 int TS_CONF_set_certs(CONF *conf, const char *section, const char *certs,
548     TS_RESP_CTX *ctx);
549 int TS_CONF_set_signer_key(CONF *conf, const char *section,
550     const char *key, const char *pass, TS_RESP_CTX *ctx);
551 int TS_CONF_set_def_policy(CONF *conf, const char *section,
552     const char *policy, TS_RESP_CTX *ctx);
553 int TS_CONF_set_policies(CONF *conf, const char *section, TS_RESP_CTX *ctx);
554 int TS_CONF_set_digests(CONF *conf, const char *section, TS_RESP_CTX *ctx);
555 int TS_CONF_set_accuracy(CONF *conf, const char *section, TS_RESP_CTX *ctx);
556 int TS_CONF_set_clock_precision_digits(CONF *conf, const char *section,
557     TS_RESP_CTX *ctx);
558 int TS_CONF_set_ordering(CONF *conf, const char *section, TS_RESP_CTX *ctx);
559 int TS_CONF_set_tsa_name(CONF *conf, const char *section, TS_RESP_CTX *ctx);
560 int TS_CONF_set_ess_cert_id_chain(CONF *conf, const char *section,
561     TS_RESP_CTX *ctx);
562 
563 void ERR_load_TS_strings(void);
564 
565 /* Error codes for the TS functions. */
566 
567 /* Function codes. */
568 #define TS_F_D2I_TS_RESP				 147
569 #define TS_F_DEF_SERIAL_CB				 110
570 #define TS_F_DEF_TIME_CB				 111
571 #define TS_F_ESS_ADD_SIGNING_CERT			 112
572 #define TS_F_ESS_CERT_ID_NEW_INIT			 113
573 #define TS_F_ESS_SIGNING_CERT_NEW_INIT			 114
574 #define TS_F_INT_TS_RESP_VERIFY_TOKEN			 149
575 #define TS_F_PKCS7_TO_TS_TST_INFO			 148
576 #define TS_F_TS_ACCURACY_SET_MICROS			 115
577 #define TS_F_TS_ACCURACY_SET_MILLIS			 116
578 #define TS_F_TS_ACCURACY_SET_SECONDS			 117
579 #define TS_F_TS_CHECK_IMPRINTS				 100
580 #define TS_F_TS_CHECK_NONCES				 101
581 #define TS_F_TS_CHECK_POLICY				 102
582 #define TS_F_TS_CHECK_SIGNING_CERTS			 103
583 #define TS_F_TS_CHECK_STATUS_INFO			 104
584 #define TS_F_TS_COMPUTE_IMPRINT				 145
585 #define TS_F_TS_CONF_SET_DEFAULT_ENGINE			 146
586 #define TS_F_TS_GET_STATUS_TEXT				 105
587 #define TS_F_TS_MSG_IMPRINT_SET_ALGO			 118
588 #define TS_F_TS_REQ_SET_MSG_IMPRINT			 119
589 #define TS_F_TS_REQ_SET_NONCE				 120
590 #define TS_F_TS_REQ_SET_POLICY_ID			 121
591 #define TS_F_TS_RESP_CREATE_RESPONSE			 122
592 #define TS_F_TS_RESP_CREATE_TST_INFO			 123
593 #define TS_F_TS_RESP_CTX_ADD_FAILURE_INFO		 124
594 #define TS_F_TS_RESP_CTX_ADD_MD				 125
595 #define TS_F_TS_RESP_CTX_ADD_POLICY			 126
596 #define TS_F_TS_RESP_CTX_NEW				 127
597 #define TS_F_TS_RESP_CTX_SET_ACCURACY			 128
598 #define TS_F_TS_RESP_CTX_SET_CERTS			 129
599 #define TS_F_TS_RESP_CTX_SET_DEF_POLICY			 130
600 #define TS_F_TS_RESP_CTX_SET_SIGNER_CERT		 131
601 #define TS_F_TS_RESP_CTX_SET_STATUS_INFO		 132
602 #define TS_F_TS_RESP_GET_POLICY				 133
603 #define TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION		 134
604 #define TS_F_TS_RESP_SET_STATUS_INFO			 135
605 #define TS_F_TS_RESP_SET_TST_INFO			 150
606 #define TS_F_TS_RESP_SIGN				 136
607 #define TS_F_TS_RESP_VERIFY_SIGNATURE			 106
608 #define TS_F_TS_RESP_VERIFY_TOKEN			 107
609 #define TS_F_TS_TST_INFO_SET_ACCURACY			 137
610 #define TS_F_TS_TST_INFO_SET_MSG_IMPRINT		 138
611 #define TS_F_TS_TST_INFO_SET_NONCE			 139
612 #define TS_F_TS_TST_INFO_SET_POLICY_ID			 140
613 #define TS_F_TS_TST_INFO_SET_SERIAL			 141
614 #define TS_F_TS_TST_INFO_SET_TIME			 142
615 #define TS_F_TS_TST_INFO_SET_TSA			 143
616 #define TS_F_TS_VERIFY					 108
617 #define TS_F_TS_VERIFY_CERT				 109
618 #define TS_F_TS_VERIFY_CTX_NEW				 144
619 
620 /* Reason codes. */
621 #define TS_R_BAD_PKCS7_TYPE				 132
622 #define TS_R_BAD_TYPE					 133
623 #define TS_R_CERTIFICATE_VERIFY_ERROR			 100
624 #define TS_R_COULD_NOT_SET_ENGINE			 127
625 #define TS_R_COULD_NOT_SET_TIME				 115
626 #define TS_R_D2I_TS_RESP_INT_FAILED			 128
627 #define TS_R_DETACHED_CONTENT				 134
628 #define TS_R_ESS_ADD_SIGNING_CERT_ERROR			 116
629 #define TS_R_ESS_SIGNING_CERTIFICATE_ERROR		 101
630 #define TS_R_INVALID_NULL_POINTER			 102
631 #define TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE		 117
632 #define TS_R_MESSAGE_IMPRINT_MISMATCH			 103
633 #define TS_R_NONCE_MISMATCH				 104
634 #define TS_R_NONCE_NOT_RETURNED				 105
635 #define TS_R_NO_CONTENT					 106
636 #define TS_R_NO_TIME_STAMP_TOKEN			 107
637 #define TS_R_PKCS7_ADD_SIGNATURE_ERROR			 118
638 #define TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR		 119
639 #define TS_R_PKCS7_TO_TS_TST_INFO_FAILED		 129
640 #define TS_R_POLICY_MISMATCH				 108
641 #define TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE	 120
642 #define TS_R_RESPONSE_SETUP_ERROR			 121
643 #define TS_R_SIGNATURE_FAILURE				 109
644 #define TS_R_THERE_MUST_BE_ONE_SIGNER			 110
645 #define TS_R_TIME_SYSCALL_ERROR				 122
646 #define TS_R_TOKEN_NOT_PRESENT				 130
647 #define TS_R_TOKEN_PRESENT				 131
648 #define TS_R_TSA_NAME_MISMATCH				 111
649 #define TS_R_TSA_UNTRUSTED				 112
650 #define TS_R_TST_INFO_SETUP_ERROR			 123
651 #define TS_R_TS_DATASIGN				 124
652 #define TS_R_UNACCEPTABLE_POLICY			 125
653 #define TS_R_UNSUPPORTED_MD_ALGORITHM			 126
654 #define TS_R_UNSUPPORTED_VERSION			 113
655 #define TS_R_WRONG_CONTENT_TYPE				 114
656 
657 #ifdef  __cplusplus
658 }
659 #endif
660 #endif
661