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Add -reqin_new_tid option to apps/cmp.c and OSSL_CMP_MSG_update_transactionID()
[thirdparty/openssl.git] / apps / cmp.c
CommitLineData
8d9a4d83
DDO		 1/*
2 * Copyright 2007-2019 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Nokia 2007-2019
4 * Copyright Siemens AG 2015-2019
5 *
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12#include <string.h>
13#include <ctype.h>
14
15#include "apps.h"
16#include "http_server.h"
17#include "s_apps.h"
18#include "progs.h"
19
20#include "cmp_mock_srv.h"
21
22/* tweaks needed due to missing unistd.h on Windows */
23#ifdef _WIN32
24# define access _access
25#endif
26#ifndef F_OK
27# define F_OK 0
28#endif
29
30#include <openssl/ui.h>
31#include <openssl/pkcs12.h>
32#include <openssl/ssl.h>
33
34/* explicit #includes not strictly needed since implied by the above: */
35#include <stdlib.h>
36#include <openssl/cmp.h>
37#include <openssl/cmp_util.h>
38#include <openssl/crmf.h>
39#include <openssl/crypto.h>
40#include <openssl/err.h>
41#include <openssl/store.h>
42#include <openssl/objects.h>
43#include <openssl/x509.h>
44
45DEFINE_STACK_OF(X509)
46DEFINE_STACK_OF(X509_EXTENSION)
47DEFINE_STACK_OF(OSSL_CMP_ITAV)
48
49/* start TODO remove when PR #11755 is merged */
50static char *get_passwd(const char *pass, const char *desc)
51{
52 char *result = NULL;
53
54 app_passwd(pass, NULL, &result, NULL);
55 return result;
56}
57
58static void cleanse(char *str)
59{
60 if (str != NULL)
61 OPENSSL_cleanse(str, strlen(str));
62}
63
64static void clear_free(char *str)
65{
66 if (str != NULL)
67 OPENSSL_clear_free(str, strlen(str));
68}
69
70static int load_key_cert_crl(const char *uri, int maybe_stdin,
71 const char *pass, const char *desc,
72 EVP_PKEY **ppkey, X509 **pcert, X509_CRL **pcrl)
73{
74 PW_CB_DATA uidata;
75 OSSL_STORE_CTX *ctx = NULL;
76 int ret = 0;
77
78 if (ppkey != NULL)
79 *ppkey = NULL;
80 if (pcert != NULL)
81 *pcert = NULL;
82 if (pcrl != NULL)
83 *pcrl = NULL;
84
85 uidata.password = pass;
86 uidata.prompt_info = uri;
87
88 ctx = OSSL_STORE_open(uri, get_ui_method(), &uidata, NULL, NULL);
89 if (ctx == NULL) {
90 BIO_printf(bio_err, "Could not open file or uri %s for loading %s\n",
91 uri, desc);
92 goto end;
93 }
94
95 for (;;) {
96 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
97 int type = info == NULL ? 0 : OSSL_STORE_INFO_get_type(info);
98 const char *infostr =
99 info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
100 int err = 0;
101
102 if (info == NULL) {
103 if (OSSL_STORE_eof(ctx))
104 ret = 1;
105 break;
106 }
107
108 switch (type) {
109 case OSSL_STORE_INFO_PKEY:
110 if (ppkey != NULL && *ppkey == NULL)
111 err = ((*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) == NULL);
112 break;
113 case OSSL_STORE_INFO_CERT:
114 if (pcert != NULL && *pcert == NULL)
115 err = ((*pcert = OSSL_STORE_INFO_get1_CERT(info)) == NULL);
116 break;
117 case OSSL_STORE_INFO_CRL:
118 if (pcrl != NULL && *pcrl == NULL)
119 err = ((*pcrl = OSSL_STORE_INFO_get1_CRL(info)) == NULL);
120 break;
121 default:
122 /* skip any other type */
123 break;
124 }
125 OSSL_STORE_INFO_free(info);
126 if (err) {
127 BIO_printf(bio_err, "Could not read %s of %s from %s\n",
128 infostr, desc, uri);
129 break;
130 }
131 }
132
133 end:
134 if (ctx != NULL)
135 OSSL_STORE_close(ctx);
136 if (!ret)
137 ERR_print_errors(bio_err);
138 return ret;
139}
140
141static
142EVP_PKEY *load_key_preliminary(const char *uri, int format, int may_stdin,
143 const char *pass, ENGINE *e, const char *desc)
144{
145 EVP_PKEY *pkey = NULL;
146
147 if (desc == NULL)
148 desc = "private key";
149
150 if (format == FORMAT_ENGINE) {
151 if (e == NULL) {
152 BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
153 } else {
154#ifndef OPENSSL_NO_ENGINE
155 PW_CB_DATA cb_data;
156
157 cb_data.password = pass;
158 cb_data.prompt_info = uri;
159 if (ENGINE_init(e)) {
160 pkey = ENGINE_load_private_key(e, uri,
161 (UI_METHOD *)get_ui_method(),
162 &cb_data);
163 ENGINE_finish(e);
164 }
165 if (pkey == NULL) {
166 BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
167 ERR_print_errors(bio_err);
168 }
169#else
170 BIO_printf(bio_err, "Engines not supported for loading %s\n", desc);
171#endif
172 }
173 } else {
174 (void)load_key_cert_crl(uri, may_stdin, pass, desc, &pkey, NULL, NULL);
175 }
176
177 if (pkey == NULL) {
178 BIO_printf(bio_err, "Unable to load %s\n", desc);
179 ERR_print_errors(bio_err);
180 }
181 return pkey;
182}
183
184static X509 *load_cert_pass(const char *uri, int maybe_stdin,
185 const char *pass, const char *desc)
186{
187 X509 *cert = NULL;
188
189 if (desc == NULL)
190 desc = "certificate";
191 (void)load_key_cert_crl(uri, maybe_stdin, pass, desc, NULL, &cert, NULL);
192 if (cert == NULL) {
193 BIO_printf(bio_err, "Unable to load %s\n", desc);
194 ERR_print_errors(bio_err);
195 }
196 return cert;
197}
198/* end TODO remove when PR #11755 is merged */
199
200static char *opt_config = NULL;
201#define CMP_SECTION "cmp"
202#define SECTION_NAME_MAX 40 /* max length of section name */
203#define DEFAULT_SECTION "default"
204static char *opt_section = CMP_SECTION;
205
206#undef PROG
207#define PROG cmp_main
208static char *prog = "cmp";
209
210static int read_config(void);
211
212static CONF *conf = NULL; /* OpenSSL config file context structure */
213static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
214
215/* TODO remove when new setup_engine_flags() is in apps/lib/apps.c (PR #4277) */
216static
217ENGINE *setup_engine_flags(const char *engine, unsigned int flags, int debug)
218{
219 return setup_engine(engine, debug);
220}
221
222/* the type of cmp command we want to send */
223typedef enum {
224 CMP_IR,
225 CMP_KUR,
226 CMP_CR,
227 CMP_P10CR,
228 CMP_RR,
229 CMP_GENM
230} cmp_cmd_t;
231
232/* message transfer */
233static char *opt_server = NULL;
234static char server_port_s[32] = { '\0' };
235static int server_port = 0;
236static char *opt_proxy = NULL;
237static char *opt_no_proxy = NULL;
238static char *opt_path = "/";
239static int opt_msg_timeout = -1;
240static int opt_total_timeout = -1;
241
242/* server authentication */
243static char *opt_trusted = NULL;
244static char *opt_untrusted = NULL;
245static char *opt_srvcert = NULL;
246static char *opt_recipient = NULL;
247static char *opt_expect_sender = NULL;
248static int opt_ignore_keyusage = 0;
249static int opt_unprotected_errors = 0;
250static char *opt_extracertsout = NULL;
251static char *opt_cacertsout = NULL;
252
253/* client authentication */
254static char *opt_ref = NULL;
255static char *opt_secret = NULL;
256static char *opt_cert = NULL;
257static char *opt_key = NULL;
258static char *opt_keypass = NULL;
259static char *opt_digest = NULL;
260static char *opt_mac = NULL;
261static char *opt_extracerts = NULL;
262static int opt_unprotected_requests = 0;
263
264/* generic message */
265static char *opt_cmd_s = NULL;
266static int opt_cmd = -1;
267static char *opt_geninfo = NULL;
268static char *opt_infotype_s = NULL;
269static int opt_infotype = NID_undef;
270
271/* certificate enrollment */
272static char *opt_newkey = NULL;
273static char *opt_newkeypass = NULL;
274static char *opt_subject = NULL;
275static char *opt_issuer = NULL;
276static int opt_days = 0;
277static char *opt_reqexts = NULL;
278static char *opt_sans = NULL;
279static int opt_san_nodefault = 0;
280static char *opt_policies = NULL;
281static char *opt_policy_oids = NULL;
282static int opt_policy_oids_critical = 0;
283static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
284static char *opt_csr = NULL;
285static char *opt_out_trusted = NULL;
286static int opt_implicit_confirm = 0;
287static int opt_disable_confirm = 0;
288static char *opt_certout = NULL;
289
290/* certificate enrollment and revocation */
291static char *opt_oldcert = NULL;
292static int opt_revreason = CRL_REASON_NONE;
293
294/* credentials format */
295static char *opt_certform_s = "PEM";
296static int opt_certform = FORMAT_PEM;
297static char *opt_keyform_s = "PEM";
298static int opt_keyform = FORMAT_PEM;
299static char *opt_certsform_s = "PEM";
300static int opt_certsform = FORMAT_PEM;
301static char *opt_otherpass = NULL;
302static char *opt_engine = NULL;
303
304/* TLS connection */
305static int opt_tls_used = 0;
306static char *opt_tls_cert = NULL;
307static char *opt_tls_key = NULL;
308static char *opt_tls_keypass = NULL;
309static char *opt_tls_extra = NULL;
310static char *opt_tls_trusted = NULL;
311static char *opt_tls_host = NULL;
312
313/* client-side debugging */
314static int opt_batch = 0;
315static int opt_repeat = 1;
316static char *opt_reqin = NULL;
143be474 317static int opt_reqin_new_tid = 0;
8d9a4d83
DDO		 318static char *opt_reqout = NULL;
319static char *opt_rspin = NULL;
320static char *opt_rspout = NULL;
321static int opt_use_mock_srv = 0;
322
323/* server-side debugging */
324static char *opt_port = NULL;
325static int opt_max_msgs = 0;
326
327static char *opt_srv_ref = NULL;
328static char *opt_srv_secret = NULL;
329static char *opt_srv_cert = NULL;
330static char *opt_srv_key = NULL;
331static char *opt_srv_keypass = NULL;
332
333static char *opt_srv_trusted = NULL;
334static char *opt_srv_untrusted = NULL;
335static char *opt_rsp_cert = NULL;
336static char *opt_rsp_extracerts = NULL;
337static char *opt_rsp_capubs = NULL;
338static int opt_poll_count = 0;
339static int opt_check_after = 1;
340static int opt_grant_implicitconf = 0;
341
342static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
343static int opt_failure = INT_MIN;
344static int opt_failurebits = 0;
345static char *opt_statusstring = NULL;
346static int opt_send_error = 0;
347static int opt_send_unprotected = 0;
348static int opt_send_unprot_err = 0;
349static int opt_accept_unprotected = 0;
350static int opt_accept_unprot_err = 0;
351static int opt_accept_raverified = 0;
352
353static X509_VERIFY_PARAM *vpm = NULL;
354
355typedef enum OPTION_choice {
356 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
357 OPT_CONFIG, OPT_SECTION,
358
359 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
360
361 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
362 OPT_DAYS, OPT_REQEXTS,
363 OPT_SANS, OPT_SAN_NODEFAULT,
364 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
365 OPT_POPO, OPT_CSR,
366 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
367 OPT_CERTOUT,
368
369 OPT_OLDCERT, OPT_REVREASON,
370
371 OPT_SERVER, OPT_PROXY, OPT_NO_PROXY, OPT_PATH,
372 OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
373
374 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
375 OPT_RECIPIENT, OPT_EXPECT_SENDER,
376 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
377 OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
378
379 OPT_REF, OPT_SECRET, OPT_CERT, OPT_KEY, OPT_KEYPASS,
380 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
381 OPT_UNPROTECTED_REQUESTS,
382
383 OPT_CERTFORM, OPT_KEYFORM, OPT_CERTSFORM,
384 OPT_OTHERPASS,
385#ifndef OPENSSL_NO_ENGINE
386 OPT_ENGINE,
387#endif
388 OPT_PROV_ENUM,
389
390 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
391 OPT_TLS_KEYPASS,
392 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
393
394 OPT_BATCH, OPT_REPEAT,
143be474 395 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
8d9a4d83
DDO		 396
397 OPT_USE_MOCK_SRV, OPT_PORT, OPT_MAX_MSGS,
398 OPT_SRV_REF, OPT_SRV_SECRET,
399 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
400 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
401 OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
402 OPT_POLL_COUNT, OPT_CHECK_AFTER,
403 OPT_GRANT_IMPLICITCONF,
404 OPT_PKISTATUS, OPT_FAILURE,
405 OPT_FAILUREBITS, OPT_STATUSSTRING,
406 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
407 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
408 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
409
410 OPT_V_ENUM
411} OPTION_CHOICE;
412
413const OPTIONS cmp_options[] = {
414 /* entries must be in the same order as enumerated above!! */
415 {"help", OPT_HELP, '-', "Display this summary"},
416 {"config", OPT_CONFIG, 's',
417 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
418 {"section", OPT_SECTION, 's',
419 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
420
421 OPT_SECTION("Generic message"),
422 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
423 {"infotype", OPT_INFOTYPE, 's',
424 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
425 {"geninfo", OPT_GENINFO, 's',
426 "generalInfo integer values to place in request PKIHeader with given OID"},
427 {OPT_MORE_STR, 0, 0,
428 "specified in the form <OID>:int:<n>, e.g. \"1.2.3:int:987\""},
429
430 OPT_SECTION("Certificate enrollment"),
431 {"newkey", OPT_NEWKEY, 's',
432 "Private or public key for the requested cert. Default: CSR key or client key"},
433 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
434 {"subject", OPT_SUBJECT, 's',
435 "Distinguished Name (DN) of subject to use in the requested cert template"},
436 {OPT_MORE_STR, 0, 0,
437 "For kur, default is the subject DN of the reference cert (see -oldcert);"},
438 {OPT_MORE_STR, 0, 0,
439 "this default is used for ir and cr only if no Subject Alt Names are set"},
440 {"issuer", OPT_ISSUER, 's',
441 "DN of the issuer to place in the requested certificate template"},
442 {OPT_MORE_STR, 0, 0,
443 "also used as recipient if neither -recipient nor -srvcert are given"},
444 {"days", OPT_DAYS, 'n',
445 "Requested validity time of the new certificate in number of days"},
446 {"reqexts", OPT_REQEXTS, 's',
447 "Name of config file section defining certificate request extensions"},
448 {"sans", OPT_SANS, 's',
449 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
450 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
451 "Do not take default SANs from reference certificate (see -oldcert)"},
452 {"policies", OPT_POLICIES, 's',
453 "Name of config file section defining policies certificate request extension"},
454 {"policy_oids", OPT_POLICY_OIDS, 's',
455 "Policy OID(s) to add as policies certificate request extension"},
456 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
457 "Flag the policy OID(s) given with -policy_oids as critical"},
458 {"popo", OPT_POPO, 'n',
459 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
460 {OPT_MORE_STR, 0, 0,
461 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
462 {"csr", OPT_CSR, 's',
463 "CSR file in PKCS#10 format to use in p10cr for legacy support"},
464 {"out_trusted", OPT_OUT_TRUSTED, 's',
465 "Certificates to trust when verifying newly enrolled certificates"},
466 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
467 "Request implicit confirmation of newly enrolled certificates"},
468 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
469 "Do not confirm newly enrolled certificate w/o requesting implicit"},
470 {OPT_MORE_STR, 0, 0,
471 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
472 {"certout", OPT_CERTOUT, 's',
473 "File to save newly enrolled certificate"},
474
475 OPT_SECTION("Certificate enrollment and revocation"),
476
477 {"oldcert", OPT_OLDCERT, 's',
478 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
479 {OPT_MORE_STR, 0, 0,
480 "also used as reference (defaulting to -cert) for subject DN and SANs."},
481 {OPT_MORE_STR, 0, 0,
482 "Its issuer is used as recipient unless -srvcert, -recipient or -issuer given"},
483 {"revreason", OPT_REVREASON, 'n',
484 "Reason code to include in revocation request (rr); possible values:"},
485 {OPT_MORE_STR, 0, 0,
486 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
487
488 OPT_SECTION("Message transfer"),
489 {"server", OPT_SERVER, 's',
490 "[http[s]://]address[:port] of CMP server. Default port 80 or 443."},
491 {OPT_MORE_STR, 0, 0,
492 "The address may be a DNS name or an IP address"},
493 {"proxy", OPT_PROXY, 's',
494 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
495 {"no_proxy", OPT_NO_PROXY, 's',
496 "List of addresses of servers not to use HTTP(S) proxy for"},
497 {OPT_MORE_STR, 0, 0,
498 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
499 {"path", OPT_PATH, 's',
500 "HTTP path (aka CMP alias) at the CMP server. Default \"/\""},
501 {"msg_timeout", OPT_MSG_TIMEOUT, 'n',
502 "Timeout per CMP message round trip (or 0 for none). Default 120 seconds"},
503 {"total_timeout", OPT_TOTAL_TIMEOUT, 'n',
504 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
505
506 OPT_SECTION("Server authentication"),
507 {"trusted", OPT_TRUSTED, 's',
508 "Trusted certs used for CMP server authentication when verifying responses"},
509 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
510 {"untrusted", OPT_UNTRUSTED, 's',
511 "Intermediate certs for chain construction verifying CMP/TLS/enrolled certs"},
512 {"srvcert", OPT_SRVCERT, 's',
513 "Specific CMP server cert to use and trust directly when verifying responses"},
514 {"recipient", OPT_RECIPIENT, 's',
515 "Distinguished Name (DN) of the recipient to use unless -srvcert is given"},
516 {"expect_sender", OPT_EXPECT_SENDER, 's',
517 "DN of expected response sender. Defaults to DN of -srvcert, if provided"},
518 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
519 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
520 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
521 "Accept missing or invalid protection of regular error messages and negative"},
522 {OPT_MORE_STR, 0, 0,
523 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
524 {OPT_MORE_STR, 0, 0,
525 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
526 {"extracertsout", OPT_EXTRACERTSOUT, 's',
527 "File to save extra certificates received in the extraCerts field"},
528 {"cacertsout", OPT_CACERTSOUT, 's',
529 "File to save CA certificates received in the caPubs field of 'ip' messages"},
530
531 OPT_SECTION("Client authentication"),
532 {"ref", OPT_REF, 's',
533 "Reference value to use as senderKID in case no -cert is given"},
534 {"secret", OPT_SECRET, 's',
535 "Password source for client authentication with a pre-shared key (secret)"},
536 {"cert", OPT_CERT, 's',
537 "Client's current certificate (needed unless using -secret for PBM);"},
538 {OPT_MORE_STR, 0, 0,
539 "any further certs included are appended in extraCerts field"},
540 {"key", OPT_KEY, 's', "Private key for the client's current certificate"},
541 {"keypass", OPT_KEYPASS, 's',
542 "Client private key (and cert and old cert file) pass phrase source"},
543 {"digest", OPT_DIGEST, 's',
544 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
545 {"mac", OPT_MAC, 's',
546 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
547 {"extracerts", OPT_EXTRACERTS, 's',
548 "Certificates to append in extraCerts field of outgoing messages"},
549 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
550 "Send messages without CMP-level protection"},
551
552 OPT_SECTION("Credentials format"),
553 {"certform", OPT_CERTFORM, 's',
554 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
555 {OPT_MORE_STR, 0, 0,
556 "This also determines format to use for writing (not supported for P12)"},
557 {"keyform", OPT_KEYFORM, 's',
558 "Format to assume when reading key files. Default PEM"},
559 {"certsform", OPT_CERTSFORM, 's',
560 "Format (PEM/DER/P12) to try first reading multiple certs. Default PEM"},
561 {"otherpass", OPT_OTHERPASS, 's',
562 "Pass phrase source potentially needed for loading certificates of others"},
563#ifndef OPENSSL_NO_ENGINE
564 {"engine", OPT_ENGINE, 's',
565 "Use crypto engine with given identifier, possibly a hardware device."},
566 {OPT_MORE_STR, 0, 0,
567 "Engines may be defined in OpenSSL config file engine section."},
568 {OPT_MORE_STR, 0, 0,
569 "Options like -key specifying keys held in the engine can give key IDs"},
570 {OPT_MORE_STR, 0, 0,
571 "prefixed by 'engine:', e.g. '-key engine:pkcs11:object=mykey;pin-value=1234'"},
572#endif
573 OPT_PROV_OPTIONS,
574
575 OPT_SECTION("TLS connection"),
576 {"tls_used", OPT_TLS_USED, '-',
577 "Enable using TLS (also when other TLS options are not set)"},
578 {"tls_cert", OPT_TLS_CERT, 's',
579 "Client's TLS certificate. May include chain to be provided to TLS server"},
580 {"tls_key", OPT_TLS_KEY, 's',
581 "Private key for the client's TLS certificate"},
582 {"tls_keypass", OPT_TLS_KEYPASS, 's',
583 "Pass phrase source for the client's private TLS key (and TLS cert file)"},
584 {"tls_extra", OPT_TLS_EXTRA, 's',
585 "Extra certificates to provide to TLS server during TLS handshake"},
586 {"tls_trusted", OPT_TLS_TRUSTED, 's',
587 "Trusted certificates to use for verifying the TLS server certificate;"},
588 {OPT_MORE_STR, 0, 0, "this implies host name validation"},
589 {"tls_host", OPT_TLS_HOST, 's',
590 "Address to be checked (rather than -server) during TLS host name validation"},
591
592 OPT_SECTION("Client-side debugging"),
593 {"batch", OPT_BATCH, '-',
594 "Do not interactively prompt for input when a password is required etc."},
595 {"repeat", OPT_REPEAT, 'n',
596 "Invoke the transaction the given number of times. Default 1"},
597 {"reqin", OPT_REQIN, 's', "Take sequence of CMP requests from file(s)"},
143be474
DDO		 598 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
599 "Use fresh transactionID for CMP requests read from -reqin"},
8d9a4d83
DDO		 600 {"reqout", OPT_REQOUT, 's', "Save sequence of CMP requests to file(s)"},
601 {"rspin", OPT_RSPIN, 's',
602 "Process sequence of CMP responses provided in file(s), skipping server"},
603 {"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
604
605 {"use_mock_srv", OPT_USE_MOCK_SRV, '-', "Use mock server at API level, bypassing HTTP"},
606
607 OPT_SECTION("Mock server"),
608 {"port", OPT_PORT, 's', "Act as HTTP mock server listening on given port"},
609 {"max_msgs", OPT_MAX_MSGS, 'n',
610 "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
611
612 {"srv_ref", OPT_SRV_REF, 's',
613 "Reference value to use as senderKID of server in case no -srv_cert is given"},
614 {"srv_secret", OPT_SRV_SECRET, 's',
615 "Password source for server authentication with a pre-shared key (secret)"},
616 {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
617 {"srv_key", OPT_SRV_KEY, 's',
618 "Private key used by the server for signing messages"},
619 {"srv_keypass", OPT_SRV_KEYPASS, 's',
620 "Server private key (and cert) file pass phrase source"},
621
622 {"srv_trusted", OPT_SRV_TRUSTED, 's',
623 "Trusted certificates for client authentication"},
624 {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
6b326fc3 625 "Intermediate certs that may be useful for verifying CMP protection"},
8d9a4d83
DDO		 626 {"rsp_cert", OPT_RSP_CERT, 's',
627 "Certificate to be returned as mock enrollment result"},
628 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
629 "Extra certificates to be included in mock certification responses"},
630 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
631 "CA certificates to be included in mock ip response"},
632 {"poll_count", OPT_POLL_COUNT, 'n',
633 "Number of times the client must poll before receiving a certificate"},
634 {"check_after", OPT_CHECK_AFTER, 'n',
635 "The check_after value (time to wait) to include in poll response"},
636 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
637 "Grant implicit confirmation of newly enrolled certificate"},
638
639 {"pkistatus", OPT_PKISTATUS, 'n',
640 "PKIStatus to be included in server response. Possible values: 0..6"},
641 {"failure", OPT_FAILURE, 'n',
642 "A single failure info bit number to include in server response, 0..26"},
643 {"failurebits", OPT_FAILUREBITS, 'n',
644 "Number representing failure bits to include in server response, 0..2^27 - 1"},
645 {"statusstring", OPT_STATUSSTRING, 's',
646 "Status string to be included in server response"},
647 {"send_error", OPT_SEND_ERROR, '-',
648 "Force server to reply with error message"},
649 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
650 "Send response messages without CMP-level protection"},
651 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
652 "In case of negative responses, server shall send unprotected error messages,"},
653 {OPT_MORE_STR, 0, 0,
654 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
655 {OPT_MORE_STR, 0, 0,
656 "WARNING: This setting leads to behavior violating RFC 4210"},
657 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
658 "Accept missing or invalid protection of requests"},
659 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
660 "Accept unprotected error messages from client"},
661 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
662 "Accept RAVERIFIED as proof-of-possession (POPO)"},
663
664 OPT_V_OPTIONS,
665 {NULL}
666};
667
668typedef union {
669 char **txt;
670 int *num;
671 long *num_long;
672} varref;
673static varref cmp_vars[] = { /* must be in same order as enumerated above! */
674 {&opt_config}, {&opt_section},
675
676 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
677
678 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
679 {(char **)&opt_days}, {&opt_reqexts},
680 {&opt_sans}, {(char **)&opt_san_nodefault},
681 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
682 {(char **)&opt_popo}, {&opt_csr},
683 {&opt_out_trusted},
684 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
685 {&opt_certout},
686
687 {&opt_oldcert}, {(char **)&opt_revreason},
688
689 {&opt_server}, {&opt_proxy}, {&opt_no_proxy}, {&opt_path},
690 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
691
692 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
693 {&opt_recipient}, {&opt_expect_sender},
694 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
695 {&opt_extracertsout}, {&opt_cacertsout},
696
697 {&opt_ref}, {&opt_secret}, {&opt_cert}, {&opt_key}, {&opt_keypass},
698 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
699 {(char **)&opt_unprotected_requests},
700
701 {&opt_certform_s}, {&opt_keyform_s}, {&opt_certsform_s},
702 {&opt_otherpass},
703#ifndef OPENSSL_NO_ENGINE
704 {&opt_engine},
705#endif
706
707 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
708 {&opt_tls_keypass},
709 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
710
711 {(char **)&opt_batch}, {(char **)&opt_repeat},
143be474
DDO		 712 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
713 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
8d9a4d83
DDO		 714
715 {(char **)&opt_use_mock_srv}, {&opt_port}, {(char **)&opt_max_msgs},
716 {&opt_srv_ref}, {&opt_srv_secret},
717 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
718 {&opt_srv_trusted}, {&opt_srv_untrusted},
719 {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
720 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
721 {(char **)&opt_grant_implicitconf},
722 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
723 {(char **)&opt_failurebits}, {&opt_statusstring},
724 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
725 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
726 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
727
728 {NULL}
729};
730
731#ifndef NDEBUG
732# define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
733 ? "CMP" : "OPENSSL_FUNC")
734# define PRINT_LOCATION(bio) BIO_printf(bio, "%s:%s:%d:", \
735 FUNC, OPENSSL_FILE, OPENSSL_LINE)
736#else
737# define PRINT_LOCATION(bio) ((void)0)
738#endif
739#define CMP_print(bio, prefix, msg, a1, a2, a3) \
740 (PRINT_LOCATION(bio), \
741 BIO_printf(bio, "CMP %s: " msg "\n", prefix, a1, a2, a3))
742#define CMP_INFO(msg, a1, a2, a3) CMP_print(bio_out, "info", msg, a1, a2, a3)
743#define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
744#define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
745#define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
746#define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
747#define CMP_WARN(m, a1, a2, a3) CMP_print(bio_out, "warning", m, a1, a2, a3)
748#define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
749#define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
750#define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
751#define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
752#define CMP_ERR(msg, a1, a2, a3) CMP_print(bio_err, "error", msg, a1, a2, a3)
753#define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
754#define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
755#define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
756#define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
757
758static int print_to_bio_out(const char *func, const char *file, int line,
759 OSSL_CMP_severity level, const char *msg)
760{
761 return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
762}
763
764/* code duplicated from crypto/cmp/cmp_util.c */
765static int sk_X509_add1_cert(STACK_OF(X509) *sk, X509 *cert,
766 int no_dup, int prepend)
767{
768 if (no_dup) {
769 /*
770 * not using sk_X509_set_cmp_func() and sk_X509_find()
771 * because this re-orders the certs on the stack
772 */
773 int i;
774
775 for (i = 0; i < sk_X509_num(sk); i++) {
776 if (X509_cmp(sk_X509_value(sk, i), cert) == 0)
777 return 1;
778 }
779 }
780 if (!X509_up_ref(cert))
781 return 0;
782 if (!sk_X509_insert(sk, cert, prepend ? 0 : -1)) {
783 X509_free(cert);
784 return 0;
785 }
786 return 1;
787}
788
789/* code duplicated from crypto/cmp/cmp_util.c */
790static int sk_X509_add1_certs(STACK_OF(X509) *sk, STACK_OF(X509) *certs,
791 int no_self_signed, int no_dups, int prepend)
792/* compiler would allow 'const' for the list of certs, yet they are up-ref'ed */
793{
794 int i;
795
796 if (sk == NULL)
797 return 0;
798 if (certs == NULL)
799 return 1;
800 for (i = 0; i < sk_X509_num(certs); i++) {
801 X509 *cert = sk_X509_value(certs, i);
802
803 if (!no_self_signed || X509_check_issued(cert, cert) != X509_V_OK) {
804 if (!sk_X509_add1_cert(sk, cert, no_dups, prepend))
805 return 0;
806 }
807 }
808 return 1;
809}
810
811/* TODO potentially move to apps/lib/apps.c */
812static char *next_item(char *opt) /* in list separated by comma and/or space */
813{
814 /* advance to separator (comma or whitespace), if any */
815 while (*opt != ',' && !isspace(*opt) && *opt != '\0') {
816 if (*opt == '\\' && opt[1] != '\0')
817 /* skip and unescape '\' escaped char */
818 memmove(opt, opt + 1, strlen(opt));
819 opt++;
820 }
821 if (*opt != '\0') {
822 /* terminate current item */
823 *opt++ = '\0';
824 /* skip over any whitespace after separator */
825 while (isspace(*opt))
826 opt++;
827 }
828 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
829}
830
831static EVP_PKEY *load_key_pwd(const char *uri, int format,
832 const char *pass, ENGINE *e, const char *desc)
833{
834 char *pass_string = get_passwd(pass, desc);
835 EVP_PKEY *pkey = load_key_preliminary(uri, format, 0, pass_string, e, desc);
836
837 clear_free(pass_string);
838 return pkey;
839}
840
841static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
842{
843 X509 *cert;
844 char *pass_string = get_passwd(pass, desc);
845
846 cert = load_cert_pass(uri, 0, pass_string, desc);
847 clear_free(pass_string);
848 return cert;
849}
850
851/* TODO remove when PR #4930 is merged */
852static int load_pkcs12(BIO *in, const char *desc,
853 pem_password_cb *pem_cb, void *cb_data,
854 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
855{
856 const char *pass;
857 char tpass[PEM_BUFSIZE];
858 int len;
859 int ret = 0;
860 PKCS12 *p12 = d2i_PKCS12_bio(in, NULL);
861
862 if (desc == NULL)
863 desc = "PKCS12 input";
864 if (p12 == NULL) {
865 BIO_printf(bio_err, "error loading PKCS12 file for %s\n", desc);
866 goto die;
867 }
868
869 /* See if an empty password will do */
870 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
871 pass = "";
872 } else {
873 if (pem_cb == NULL)
874 pem_cb = wrap_password_callback;
875 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
876 if (len < 0) {
877 BIO_printf(bio_err, "passphrase callback error for %s\n", desc);
878 goto die;
879 }
880 if (len < PEM_BUFSIZE)
881 tpass[len] = 0;
882 if (!PKCS12_verify_mac(p12, tpass, len)) {
883 BIO_printf(bio_err,
884 "mac verify error (wrong password?) in PKCS12 file for %s\n",
885 desc);
886 goto die;
887 }
888 pass = tpass;
889 }
890 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
891 die:
892 PKCS12_free(p12);
893 return ret;
894}
895
896/* TODO potentially move this and related functions to apps/lib/apps.c */
897static int adjust_format(const char **infile, int format, int engine_ok)
898{
899 if (!strncasecmp(*infile, "http://", 7)
900 || !strncasecmp(*infile, "https://", 8)) {
901 format = FORMAT_HTTP;
902 } else if (engine_ok && strncasecmp(*infile, "engine:", 7) == 0) {
903 *infile += 7;
904 format = FORMAT_ENGINE;
905 } else {
906 if (strncasecmp(*infile, "file:", 5) == 0)
907 *infile += 5;
908 /*
909 * the following is a heuristic whether first to try PEM or DER
910 * or PKCS12 as the input format for files
911 */
912 if (strlen(*infile) >= 4) {
913 const char *extension = *infile + strlen(*infile) - 4;
914
915 if (strncasecmp(extension, ".crt", 4) == 0
916 || strncasecmp(extension, ".pem", 4) == 0)
917 /* weak recognition of PEM format */
918 format = FORMAT_PEM;
919 else if (strncasecmp(extension, ".cer", 4) == 0
920 || strncasecmp(extension, ".der", 4) == 0)
921 /* weak recognition of DER format */
922 format = FORMAT_ASN1;
923 else if (strncasecmp(extension, ".p12", 4) == 0)
924 /* weak recognition of PKCS#12 format */
925 format = FORMAT_PKCS12;
926 /* else retain given format */
927 }
928 }
929 return format;
930}
931
932/*
933 * TODO potentially move this and related functions to apps/lib/
934 * or even better extend OSSL_STORE with type OSSL_STORE_INFO_CRL
935 */
936static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
937{
938 X509_REQ *csr;
939 BIO *bio_bak = bio_err;
940 int can_retry;
941 int format = adjust_format(&infile, FORMAT_PEM, 0);
942
943 can_retry = format == FORMAT_PEM || format == FORMAT_ASN1;
944 if (can_retry)
945 bio_err = NULL; /* do not show errors on more than one try */
946 csr = load_csr(infile, format, desc);
947 bio_err = bio_bak;
948 if (csr == NULL && can_retry) {
949 ERR_clear_error();
950 format = (format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM);
951 csr = load_csr(infile, format, desc);
952 }
953 if (csr == NULL) {
954 ERR_print_errors(bio_err);
955 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
956 infile);
957 }
958 return csr;
959}
960
961/* TODO replace by calling generalized load_certs() when PR #4930 is merged */
962static int load_certs_preliminary(const char *file, STACK_OF(X509) **certs,
963 int format, const char *pass,
964 const char *desc)
965{
966 X509 *cert = NULL;
967 int ret = 0;
968
969 if (format == FORMAT_PKCS12) {
970 BIO *bio = bio_open_default(file, 'r', format);
971
972 if (bio != NULL) {
973 EVP_PKEY *pkey = NULL; /* pkey is needed until PR #4930 is merged */
974 PW_CB_DATA cb_data;
975
976 cb_data.password = pass;
977 cb_data.prompt_info = file;
978 ret = load_pkcs12(bio, desc, wrap_password_callback,
979 &cb_data, &pkey, &cert, certs);
980 EVP_PKEY_free(pkey);
981 BIO_free(bio);
982 }
983 } else if (format == FORMAT_ASN1) { /* load only one cert in this case */
984 CMP_warn1("can load only one certificate in DER format from %s", file);
985 cert = load_cert_pass(file, 0, pass, desc);
986 }
987 if (format == FORMAT_PKCS12 || format == FORMAT_ASN1) {
988 if (cert) {
989 if (*certs == NULL)
990 *certs = sk_X509_new_null();
991 if (*certs != NULL)
992 ret = sk_X509_insert(*certs, cert, 0);
993 else
994 X509_free(cert);
995 }
996 } else {
997 ret = load_certs(file, certs, format, pass, desc);
998 }
999 return ret;
1000}
1001
1002static void warn_certs_expired(const char *file, STACK_OF(X509) **certs)
1003{
1004 int i, res;
1005 X509 *cert;
1006 char *subj;
1007
1008 for (i = 0; i < sk_X509_num(*certs); i++) {
1009 cert = sk_X509_value(*certs, i);
1010 res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
1011 X509_get0_notAfter(cert));
1012 if (res != 0) {
1013 subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
1014 CMP_warn3("certificate from '%s' with subject '%s' %s", file, subj,
1015 res > 0 ? "has expired" : "not yet valid");
1016 OPENSSL_free(subj);
1017 }
1018 }
1019}
1020
1021/*
1022 * TODO potentially move this and related functions to apps/lib/
1023 * or even better extend OSSL_STORE with type OSSL_STORE_INFO_CERTS
1024 */
1025static int load_certs_autofmt(const char *infile, STACK_OF(X509) **certs,
1026 int exclude_http, const char *pass,
1027 const char *desc)
1028{
1029 int ret = 0;
1030 char *pass_string;
1031 BIO *bio_bak = bio_err;
1032 int format = adjust_format(&infile, opt_certsform, 0);
1033
1034 if (exclude_http && format == FORMAT_HTTP) {
1035 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
1036 return ret;
1037 }
1038 pass_string = get_passwd(pass, desc);
1039 if (format != FORMAT_HTTP)
1040 bio_err = NULL; /* do not show errors on more than one try */
1041 ret = load_certs_preliminary(infile, certs, format, pass_string, desc);
1042 bio_err = bio_bak;
1043 if (!ret && format != FORMAT_HTTP) {
1044 int format2 = format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM;
1045
1046 ERR_clear_error();
1047 ret = load_certs_preliminary(infile, certs, format2, pass_string, desc);
1048 }
1049 clear_free(pass_string);
1050
1051 if (ret)
1052 warn_certs_expired(infile, certs);
1053 return ret;
1054}
1055
1056/* set expected host name/IP addr and clears the email addr in the given ts */
1057static int truststore_set_host_etc(X509_STORE *ts, char *host)
1058{
1059 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
1060
1061 /* first clear any host names, IP, and email addresses */
1062 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
1063 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
1064 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
1065 return 0;
1066 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
1067 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
1068 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
1069 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
1070 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
1071}
1072
1073static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
1074 const STACK_OF(X509) *certs /* may NULL */)
1075{
1076 int i;
1077
1078 if (store == NULL)
1079 store = X509_STORE_new();
1080 if (store == NULL)
1081 return NULL;
1082 for (i = 0; i < sk_X509_num(certs); i++) {
1083 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
1084 X509_STORE_free(store);
1085 return NULL;
1086 }
1087 }
1088 return store;
1089}
1090
1091/* write OSSL_CMP_MSG DER-encoded to the specified file name item */
1092static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
1093{
1094 char *file;
1095 BIO *bio;
1096
1097 if (msg == NULL || filenames == NULL) {
1098 CMP_err("NULL arg to write_PKIMESSAGE");
1099 return 0;
1100 }
1101 if (*filenames == NULL) {
1102 CMP_err("Not enough file names provided for writing PKIMessage");
1103 return 0;
1104 }
1105
1106 file = *filenames;
1107 *filenames = next_item(file);
1108 bio = BIO_new_file(file, "wb");
1109 if (bio == NULL) {
1110 CMP_err1("Cannot open file '%s' for writing", file);
1111 return 0;
1112 }
1113 if (i2d_OSSL_CMP_MSG_bio(bio, msg) < 0) {
1114 CMP_err1("Cannot write PKIMessage to file '%s'", file);
1115 BIO_free(bio);
1116 return 0;
1117 }
1118 BIO_free(bio);
1119 return 1;
1120}
1121
1122/* read DER-encoded OSSL_CMP_MSG from the specified file name item */
1123static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
1124{
1125 char *file;
1126 BIO *bio;
1127 OSSL_CMP_MSG *ret;
1128
1129 if (filenames == NULL) {
1130 CMP_err("NULL arg to read_PKIMESSAGE");
1131 return NULL;
1132 }
1133 if (*filenames == NULL) {
1134 CMP_err("Not enough file names provided for reading PKIMessage");
1135 return NULL;
1136 }
1137
1138 file = *filenames;
1139 *filenames = next_item(file);
1140 bio = BIO_new_file(file, "rb");
1141 if (bio == NULL) {
1142 CMP_err1("Cannot open file '%s' for reading", file);
1143 return NULL;
1144 }
1145 ret = d2i_OSSL_CMP_MSG_bio(bio, NULL);
1146 if (ret == NULL)
1147 CMP_err1("Cannot read PKIMessage from file '%s'", file);
1148 BIO_free(bio);
1149 return ret;
1150}
1151
1152/*-
1153 * Sends the PKIMessage req and on success place the response in *res
1154 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
1155 * to dump the sequence of requests and responses to files and/or
1156 * to take the sequence of requests and responses from files.
1157 */
1158static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
1159 const OSSL_CMP_MSG *req)
1160{
1161 OSSL_CMP_MSG *req_new = NULL;
1162 OSSL_CMP_MSG *res = NULL;
1163 OSSL_CMP_PKIHEADER *hdr;
1164
1165 if (req != NULL && opt_reqout != NULL
1166 && !write_PKIMESSAGE(req, &opt_reqout))
1167 goto err;
143be474
DDO		 1168 if (opt_reqin != NULL && opt_rspin == NULL) {
1169 if ((req_new = read_PKIMESSAGE(&opt_reqin)) == NULL)
1170 goto err;
1171 /*-
1172 * The transaction ID in req_new read from opt_reqin may not be fresh.
1173 * In this case the server may complain "Transaction id already in use."
1174 * The following workaround unfortunately requires re-protection.
1175 */
1176 if (opt_reqin_new_tid
1177 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
1178 goto err;
8d9a4d83
DDO		 1179 }
1180
1181 if (opt_rspin != NULL) {
1182 res = read_PKIMESSAGE(&opt_rspin);
1183 } else {
1184 const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
1185
1186 res = opt_use_mock_srv
1187 ? OSSL_CMP_CTX_server_perform(ctx, actual_req)
1188 : OSSL_CMP_MSG_http_perform(ctx, actual_req);
1189 }
1190 if (res == NULL)
1191 goto err;
1192
1193 if (opt_reqin != NULL || opt_rspin != NULL) {
1194 /* need to satisfy nonce and transactionID checks */
1195 ASN1_OCTET_STRING *nonce;
1196 ASN1_OCTET_STRING *tid;
1197
1198 hdr = OSSL_CMP_MSG_get0_header(res);
1199 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
1200 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
1201 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
1202 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
1203 OSSL_CMP_MSG_free(res);
1204 res = NULL;
1205 goto err;
1206 }
1207 }
1208
1209 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
1210 OSSL_CMP_MSG_free(res);
1211 res = NULL;
1212 }
1213
1214 err:
1215 OSSL_CMP_MSG_free(req_new);
1216 return res;
1217}
1218
1219/*
1220 * parse string as integer value, not allowing trailing garbage, see also
1221 * https://www.gnu.org/software/libc/manual/html_node/Parsing-of-Integers.html
1222 *
1223 * returns integer value, or INT_MIN on error
1224 */
1225static int atoint(const char *str)
1226{
1227 char *tailptr;
1228 long res = strtol(str, &tailptr, 10);
1229
1230 if ((*tailptr != '\0') || (res < INT_MIN) || (res > INT_MAX))
1231 return INT_MIN;
1232 else
1233 return (int)res;
1234}
1235
1236static int parse_addr(char **opt_string, int port, const char *name)
1237{
1238 char *port_string;
1239
1240 if (strncasecmp(*opt_string, OSSL_HTTP_PREFIX,
1241 strlen(OSSL_HTTP_PREFIX)) == 0) {
1242 *opt_string += strlen(OSSL_HTTP_PREFIX);
1243 } else if (strncasecmp(*opt_string, OSSL_HTTPS_PREFIX,
1244 strlen(OSSL_HTTPS_PREFIX)) == 0) {
1245 *opt_string += strlen(OSSL_HTTPS_PREFIX);
1246 if (port == 0)
1247 port = 443; /* == integer value of OSSL_HTTPS_PORT */
1248 }
1249
1250 if ((port_string = strrchr(*opt_string, ':')) == NULL)
1251 return port; /* using default */
1252 *(port_string++) = '\0';
1253 port = atoint(port_string);
1254 if ((port <= 0) || (port > 65535)) {
1255 CMP_err2("invalid %s port '%s' given, sane range 1-65535",
1256 name, port_string);
1257 return -1;
1258 }
1259 return port;
1260}
1261
1262static int set1_store_parameters(X509_STORE *ts)
1263{
1264 if (ts == NULL)
1265 return 0;
1266
1267 /* copy vpm to store */
1268 if (!X509_STORE_set1_param(ts, vpm /* may be NULL */)) {
1269 BIO_printf(bio_err, "error setting verification parameters\n");
1270 OSSL_CMP_CTX_print_errors(cmp_ctx);
1271 return 0;
1272 }
1273
1274 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
1275
1276 return 1;
1277}
1278
1279static int set_name(const char *str,
1280 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
1281 OSSL_CMP_CTX *ctx, const char *desc)
1282{
1283 if (str != NULL) {
1284 X509_NAME *n = parse_name(str, MBSTRING_ASC, 0);
1285
1286 if (n == NULL) {
1287 CMP_err2("cannot parse %s DN '%s'", desc, str);
1288 return 0;
1289 }
1290 if (!(*set_fn) (ctx, n)) {
1291 X509_NAME_free(n);
1292 CMP_err("out of memory");
1293 return 0;
1294 }
1295 X509_NAME_free(n);
1296 }
1297 return 1;
1298}
1299
1300static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
1301{
1302 char *next;
1303
1304 for (; names != NULL; names = next) {
1305 GENERAL_NAME *n;
1306
1307 next = next_item(names);
1308 if (strcmp(names, "critical") == 0) {
1309 (void)OSSL_CMP_CTX_set_option(ctx,
1310 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
1311 1);
1312 continue;
1313 }
1314
1315 /* try IP address first, then URI or domain name */
1316 (void)ERR_set_mark();
1317 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
1318 if (n == NULL)
1319 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
1320 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
1321 names, 0);
1322 (void)ERR_pop_to_mark();
1323
1324 if (n == NULL) {
1325 CMP_err2("bad syntax of %s '%s'", desc, names);
1326 return 0;
1327 }
1328 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
1329 GENERAL_NAME_free(n);
1330 CMP_err("out of memory");
1331 return 0;
1332 }
1333 GENERAL_NAME_free(n);
1334 }
1335 return 1;
1336}
1337
1338/* TODO potentially move to apps/lib/apps.c */
1339/*
1340 * create cert store structure with certificates read from given file(s)
1341 * returns pointer to created X509_STORE on success, NULL on error
1342 */
1343static X509_STORE *load_certstore(char *input, const char *desc)
1344{
1345 X509_STORE *store = NULL;
1346 STACK_OF(X509) *certs = NULL;
1347
1348 if (input == NULL)
1349 goto err;
1350
1351 while (input != NULL) {
1352 char *next = next_item(input); \
1353
1354 if (!load_certs_autofmt(input, &certs, 1, opt_otherpass, desc)
1355 || !(store = sk_X509_to_store(store, certs))) {
1356 /* CMP_err("out of memory"); */
1357 X509_STORE_free(store);
1358 store = NULL;
1359 goto err;
1360 }
1361 sk_X509_pop_free(certs, X509_free);
1362 certs = NULL;
1363 input = next;
1364 }
1365 err:
1366 sk_X509_pop_free(certs, X509_free);
1367 return store;
1368}
1369
1370/* TODO potentially move to apps/lib/apps.c */
1371static STACK_OF(X509) *load_certs_multifile(char *files,
1372 const char *pass, const char *desc)
1373{
1374 STACK_OF(X509) *certs = NULL;
1375 STACK_OF(X509) *result = sk_X509_new_null();
1376
1377 if (files == NULL)
1378 goto err;
1379 if (result == NULL)
1380 goto oom;
1381
1382 while (files != NULL) {
1383 char *next = next_item(files);
1384
1385 if (!load_certs_autofmt(files, &certs, 0, pass, desc))
1386 goto err;
1387 if (!sk_X509_add1_certs(result, certs, 0, 1 /* no dups */, 0))
1388 goto oom;
1389 sk_X509_pop_free(certs, X509_free);
1390 certs = NULL;
1391 files = next;
1392 }
1393 return result;
1394
1395 oom:
1396 BIO_printf(bio_err, "out of memory\n");
1397 err:
1398 sk_X509_pop_free(certs, X509_free);
1399 sk_X509_pop_free(result, X509_free);
1400 return NULL;
1401}
1402
1403typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
1404typedef int (*add_X509_fn_t)(void *ctx, const X509 *cert);
1405
1406static int setup_certs(char *files, const char *desc, void *ctx,
1407 add_X509_stack_fn_t addn_fn, add_X509_fn_t add1_fn)
1408{
1409 int ret = 1;
1410
1411 if (files != NULL) {
1412 STACK_OF(X509) *certs = load_certs_multifile(files, opt_otherpass,
1413 desc);
1414 if (certs == NULL) {
1415 ret = 0;
1416 } else {
1417 if (addn_fn != NULL) {
1418 ret = (*addn_fn)(ctx, certs);
1419 } else {
1420 int i;
1421
1422 for (i = 0; i < sk_X509_num(certs /* may be NULL */); i++)
1423 ret &= (*add1_fn)(ctx, sk_X509_value(certs, i));
1424 }
1425 sk_X509_pop_free(certs, X509_free);
1426 }
1427 }
1428 return ret;
1429}
1430
1431
1432/*
1433 * parse and transform some options, checking their syntax.
1434 * Returns 1 on success, 0 on error
1435 */
1436static int transform_opts(void)
1437{
1438 if (opt_cmd_s != NULL) {
1439 if (!strcmp(opt_cmd_s, "ir")) {
1440 opt_cmd = CMP_IR;
1441 } else if (!strcmp(opt_cmd_s, "kur")) {
1442 opt_cmd = CMP_KUR;
1443 } else if (!strcmp(opt_cmd_s, "cr")) {
1444 opt_cmd = CMP_CR;
1445 } else if (!strcmp(opt_cmd_s, "p10cr")) {
1446 opt_cmd = CMP_P10CR;
1447 } else if (!strcmp(opt_cmd_s, "rr")) {
1448 opt_cmd = CMP_RR;
1449 } else if (!strcmp(opt_cmd_s, "genm")) {
1450 opt_cmd = CMP_GENM;
1451 } else {
1452 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
1453 return 0;
1454 }
1455 } else {
1456 CMP_err("no cmp command to execute");
1457 return 0;
1458 }
1459
1460#ifdef OPENSSL_NO_ENGINE
1461# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
1462#else
1463# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
1464#endif
1465
1466 if (opt_keyform_s != NULL
1467 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
1468 CMP_err("unknown option given for key loading format");
1469 return 0;
1470 }
1471
1472#undef FORMAT_OPTIONS
1473
1474 if (opt_certform_s != NULL
1475 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
1476 CMP_err("unknown option given for certificate storing format");
1477 return 0;
1478 }
1479
1480 if (opt_certsform_s != NULL
1481 && !opt_format(opt_certsform_s, OPT_FMT_PEMDER | OPT_FMT_PKCS12,
1482 &opt_certsform)) {
1483 CMP_err("unknown option given for certificate list loading format");
1484 return 0;
1485 }
1486
1487 return 1;
1488}
1489
1490static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *e)
1491{
1492 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
1493 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new();
1494
1495 if (srv_ctx == NULL)
1496 return NULL;
1497 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1498
1499 if (opt_srv_ref == NULL) {
1500 if (opt_srv_cert == NULL) {
1501 /* opt_srv_cert should determine the sender */
1502 CMP_err("must give -srv_ref for server if no -srv_cert given");
1503 goto err;
1504 }
1505 } else {
1506 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1507 strlen(opt_srv_ref)))
1508 goto err;
1509 }
1510
1511 if (opt_srv_secret != NULL) {
1512 int res;
1513 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of server");
1514
1515 if (pass_str != NULL) {
1516 cleanse(opt_srv_secret);
1517 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1518 strlen(pass_str));
1519 clear_free(pass_str);
1520 if (res == 0)
1521 goto err;
1522 }
1523 } else if (opt_srv_cert == NULL) {
1524 CMP_err("server credentials must be given if -use_mock_srv or -port is used");
1525 goto err;
1526 } else {
1527 CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
1528 }
1529
1530 if (opt_srv_secret == NULL
1531 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1532 CMP_err("must give both -srv_cert and -srv_key options or neither");
1533 goto err;
1534 }
1535 if (opt_srv_cert != NULL) {
1536 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1537 "certificate of the server");
1538 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_clCert(ctx, srv_cert)) {
1539 X509_free(srv_cert);
1540 goto err;
1541 }
1542 X509_free(srv_cert);
1543 }
1544 if (opt_srv_key != NULL) {
1545 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1546 opt_srv_keypass,
1547 e, "private key for server cert");
1548
1549 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1550 EVP_PKEY_free(pkey);
1551 goto err;
1552 }
1553 EVP_PKEY_free(pkey);
1554 }
1555 cleanse(opt_srv_keypass);
1556
1557 if (opt_srv_trusted != NULL) {
1558 X509_STORE *ts =
1559 load_certstore(opt_srv_trusted, "certificates trusted by server");
1560
1561 if (ts == NULL)
1562 goto err;
1563 if (!set1_store_parameters(ts)
1564 || !truststore_set_host_etc(ts, NULL)
1565 || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1566 X509_STORE_free(ts);
1567 goto err;
1568 }
1569 } else {
1570 CMP_warn("server will not be able to handle signature-protected requests since -srv_trusted is not given");
1571 }
1572 if (!setup_certs(opt_srv_untrusted, "untrusted certificates", ctx,
1573 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
1574 NULL))
1575 goto err;
1576
1577 if (opt_rsp_cert == NULL) {
1578 CMP_err("must give -rsp_cert for mock server");
1579 goto err;
1580 } else {
1581 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1582 "cert to be returned by the mock server");
1583
1584 if (cert == NULL)
1585 goto err;
1586 /* from server perspective the server is the client */
1587 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1588 X509_free(cert);
1589 goto err;
1590 }
1591 X509_free(cert);
1592 }
1593 /* TODO find a cleaner solution not requiring type casts */
1594 if (!setup_certs(opt_rsp_extracerts,
1595 "CMP extra certificates for mock server", srv_ctx,
1596 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut,
1597 NULL))
1598 goto err;
1599 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1600 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut,
1601 NULL))
1602 goto err;
1603 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1604 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1605 if (opt_grant_implicitconf)
1606 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1607
1608 if (opt_failure != INT_MIN) { /* option has been set explicity */
1609 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1610 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1611 OSSL_CMP_PKIFAILUREINFO_MAX);
1612 goto err;
1613 }
1614 if (opt_failurebits != 0)
1615 CMP_warn("-failurebits overrides -failure");
1616 else
1617 opt_failurebits = 1 << opt_failure;
1618 }
1619 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1620 CMP_err("-failurebits out of range");
1621 goto err;
1622 }
1623 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1624 opt_failurebits, opt_statusstring))
1625 goto err;
1626
1627 if (opt_send_error)
1628 (void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
1629
1630 if (opt_send_unprotected)
1631 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1632 if (opt_send_unprot_err)
1633 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1634 if (opt_accept_unprotected)
1635 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1636 if (opt_accept_unprot_err)
1637 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1638 if (opt_accept_raverified)
1639 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1640
1641 return srv_ctx;
1642
1643 err:
1644 ossl_cmp_mock_srv_free(srv_ctx);
1645 return NULL;
1646}
1647
1648/*
1649 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1650 * Returns pointer on success, NULL on error
1651 */
1652static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1653{
1654 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1655 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
1656 NULL))
1657 goto err;
1658
1659 if (opt_srvcert != NULL || opt_trusted != NULL) {
1660 X509_STORE *ts = NULL;
1661
1662 if (opt_srvcert != NULL) {
1663 X509 *srvcert;
1664
1665 if (opt_trusted != NULL) {
1666 CMP_warn("-trusted option is ignored since -srvcert option is present");
1667 opt_trusted = NULL;
1668 }
1669 if (opt_recipient != NULL) {
1670 CMP_warn("-recipient option is ignored since -srvcert option is present");
1671 opt_recipient = NULL;
1672 }
1673 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1674 "directly trusted CMP server certificate");
1675 if (srvcert == NULL)
1676 /*
1677 * opt_otherpass is needed in case
1678 * opt_srvcert is an encrypted PKCS#12 file
1679 */
1680 goto err;
1681 if (!OSSL_CMP_CTX_set1_srvCert(ctx, srvcert)) {
1682 X509_free(srvcert);
1683 goto oom;
1684 }
1685 X509_free(srvcert);
1686 if ((ts = X509_STORE_new()) == NULL)
1687 goto oom;
1688 }
1689 if (opt_trusted != NULL
1690 && (ts = load_certstore(opt_trusted, "trusted certificates"))
1691 == NULL)
1692 goto err;
1693 if (!set1_store_parameters(ts) /* also copies vpm */
1694 /*
1695 * clear any expected host/ip/email address;
1696 * opt_expect_sender is used instead
1697 */
1698 || !truststore_set_host_etc(ts, NULL)
1699 || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1700 X509_STORE_free(ts);
1701 goto oom;
1702 }
1703 }
1704
1705 if (opt_ignore_keyusage)
1706 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1707
1708 if (opt_unprotected_errors)
1709 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1710
1711 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1712 X509_VERIFY_PARAM *out_vpm = NULL;
1713 X509_STORE *out_trusted =
1714 load_certstore(opt_out_trusted,
1715 "trusted certs for verifying newly enrolled cert");
1716
1717 if (out_trusted == NULL)
1718 goto err;
1719 /* any -verify_hostname, -verify_ip, and -verify_email apply here */
1720 if (!set1_store_parameters(out_trusted))
1721 goto oom;
1722 /* ignore any -attime here, new certs are current anyway */
1723 out_vpm = X509_STORE_get0_param(out_trusted);
1724 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1725
1726 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1727 }
1728
1729 if (opt_disable_confirm)
1730 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1731
1732 if (opt_implicit_confirm)
1733 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1734
1735 (void)OSSL_CMP_CTX_set_certConf_cb(ctx, OSSL_CMP_certConf_cb);
1736
1737 return 1;
1738
1739 oom:
1740 CMP_err("out of memory");
1741 err:
1742 return 0;
1743}
1744
1745#ifndef OPENSSL_NO_SOCK
1746/*
1747 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1748 * Returns pointer on success, NULL on error
1749 */
1750static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, ENGINE *e)
1751{
1752 STACK_OF(X509) *untrusted_certs = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
1753 EVP_PKEY *pkey = NULL;
1754 X509_STORE *trust_store = NULL;
1755 SSL_CTX *ssl_ctx;
1756 int i;
1757
1758 ssl_ctx = SSL_CTX_new(TLS_client_method());
1759 if (ssl_ctx == NULL)
1760 return NULL;
1761
1762 SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
1763
1764 if (opt_tls_trusted != NULL) {
1765 if ((trust_store = load_certstore(opt_tls_trusted,
1766 "trusted TLS certificates")) == NULL)
1767 goto err;
1768 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1769 /* for improved diagnostics on SSL_CTX_build_cert_chain() errors: */
1770 X509_STORE_set_verify_cb(trust_store, X509_STORE_CTX_print_verify_cb);
1771 }
1772
1773 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1774 X509 *cert;
1775 STACK_OF(X509) *certs = NULL;
1776
1777 if (!load_certs_autofmt(opt_tls_cert, &certs, 0, opt_tls_keypass,
1778 "TLS client certificate (optionally with chain)"))
1779 /*
1780 * opt_tls_keypass is needed in case opt_tls_cert is an encrypted
1781 * PKCS#12 file
1782 */
1783 goto err;
1784
1785 cert = sk_X509_delete(certs, 0);
1786 if (cert == NULL || SSL_CTX_use_certificate(ssl_ctx, cert) <= 0) {
1787 CMP_err1("unable to use client TLS certificate file '%s'",
1788 opt_tls_cert);
1789 X509_free(cert);
1790 sk_X509_pop_free(certs, X509_free);
1791 goto err;
1792 }
1793 X509_free(cert); /* we do not need the handle any more */
1794
1795 /*
1796 * Any further certs and any untrusted certs are used for constructing
1797 * the client cert chain to be provided along with the TLS client cert
1798 * to the TLS server.
1799 */
1800 if (!SSL_CTX_set0_chain(ssl_ctx, certs)) {
1801 CMP_err("could not set TLS client cert chain");
1802 sk_X509_pop_free(certs, X509_free);
1803 goto err;
1804 }
1805 for (i = 0; i < sk_X509_num(untrusted_certs); i++) {
1806 cert = sk_X509_value(untrusted_certs, i);
1807 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1808 CMP_err("could not add untrusted cert to TLS client cert chain");
1809 goto err;
1810 }
1811 }
1812 if (!SSL_CTX_build_cert_chain(ssl_ctx,
1813 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1814 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1815 CMP_warn("could not build cert chain for own TLS cert");
1816 OSSL_CMP_CTX_print_errors(ctx);
1817 }
1818
1819 /* If present we append to the list also the certs from opt_tls_extra */
1820 if (opt_tls_extra != NULL) {
1821 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1822 opt_otherpass,
1823 "extra certificates for TLS");
1824 int res = 1;
1825
1826 if (tls_extra == NULL)
1827 goto err;
1828 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1829 cert = sk_X509_value(tls_extra, i);
1830 if (res != 0)
1831 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1832 if (res == 0)
1833 X509_free(cert);
1834 }
1835 sk_X509_free(tls_extra);
1836 if (res == 0) {
1837 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1838 goto err;
1839 }
1840 }
1841
1842 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1843 e, "TLS client private key");
1844 cleanse(opt_tls_keypass);
1845 if (pkey == NULL)
1846 goto err;
1847 /*
1848 * verify the key matches the cert,
1849 * not using SSL_CTX_check_private_key(ssl_ctx)
1850 * because it gives poor and sometimes misleading diagnostics
1851 */
1852 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1853 pkey)) {
1854 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1855 opt_tls_key, opt_tls_cert);
1856 EVP_PKEY_free(pkey);
1857 pkey = NULL; /* otherwise, for some reason double free! */
1858 goto err;
1859 }
1860 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1861 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1862 EVP_PKEY_free(pkey);
1863 pkey = NULL; /* otherwise, for some reason double free! */
1864 goto err;
1865 }
1866 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1867 }
1868 if (opt_tls_trusted != NULL) {
1869 /* enable and parameterize server hostname/IP address check */
1870 if (!truststore_set_host_etc(trust_store,
1871 opt_tls_host != NULL ?
1872 opt_tls_host : opt_server))
1873 /* TODO: is the server host name correct for TLS via proxy? */
1874 goto err;
1875 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1876 }
1877 return ssl_ctx;
1878 err:
1879 SSL_CTX_free(ssl_ctx);
1880 return NULL;
1881}
1882#endif
1883
1884/*
1885 * set up protection aspects of OSSL_CMP_CTX based on options from config
1886 * file/CLI while parsing options and checking their consistency.
1887 * Returns 1 on success, 0 on error
1888 */
1889static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *e)
1890{
1891 if (!opt_unprotected_requests && opt_secret == NULL && opt_cert == NULL) {
1892 CMP_err("must give client credentials unless -unprotected_requests is set");
1893 goto err;
1894 }
1895
1896 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1897 /* cert or subject should determine the sender */
1898 CMP_err("must give -ref if no -cert and no -subject given");
1899 goto err;
1900 }
1901 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1902 CMP_err("must give both -cert and -key options or neither");
1903 goto err;
1904 }
1905 if (opt_secret != NULL) {
1906 char *pass_string = get_passwd(opt_secret, "PBMAC");
1907 int res;
1908
1909 if (pass_string != NULL) {
1910 cleanse(opt_secret);
1911 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1912 (unsigned char *)pass_string,
1913 strlen(pass_string));
1914 clear_free(pass_string);
1915 if (res == 0)
1916 goto err;
1917 }
1918 if (opt_cert != NULL || opt_key != NULL)
1919 CMP_warn("no signature-based protection used since -secret is given");
1920 }
1921 if (opt_ref != NULL
1922 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1923 strlen(opt_ref)))
1924 goto err;
1925
1926 if (opt_key != NULL) {
1927 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, e,
1928 "private key for CMP client certificate");
1929
1930 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1931 EVP_PKEY_free(pkey);
1932 goto err;
1933 }
1934 EVP_PKEY_free(pkey);
1935 }
1936 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL) {
1937 CMP_err("missing -secret or -srvcert or -trusted");
1938 goto err;
1939 }
1940
1941 if (opt_cert != NULL) {
1942 X509 *clcert;
1943 STACK_OF(X509) *certs = NULL;
1944 int ok;
1945
1946 if (!load_certs_autofmt(opt_cert, &certs, 0, opt_keypass,
1947 "CMP client certificate (and optionally extra certs)"))
1948 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1949 goto err;
1950
1951 clcert = sk_X509_delete(certs, 0);
1952 if (clcert == NULL) {
1953 CMP_err("no client certificate found");
1954 sk_X509_pop_free(certs, X509_free);
1955 goto err;
1956 }
1957 ok = OSSL_CMP_CTX_set1_clCert(ctx, clcert);
1958 X509_free(clcert);
1959
1960 if (ok) {
1961 /* add any remaining certs to the list of untrusted certs */
1962 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
1963 ok = untrusted != NULL ?
1964 sk_X509_add1_certs(untrusted, certs, 0, 1 /* no dups */, 0) :
1965 OSSL_CMP_CTX_set1_untrusted_certs(ctx, certs);
1966 }
1967 sk_X509_pop_free(certs, X509_free);
1968 if (!ok)
1969 goto oom;
1970 }
1971
1972 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1973 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut,
1974 NULL))
1975 goto err;
1976 cleanse(opt_otherpass);
1977
1978 if (opt_unprotected_requests)
1979 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1980
1981 if (opt_digest != NULL) {
1982 int digest = OBJ_ln2nid(opt_digest);
1983
1984 if (digest == NID_undef) {
1985 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1986 goto err;
1987 }
1988 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest);
1989 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest);
1990 }
1991
1992 if (opt_mac != NULL) {
1993 int mac = OBJ_ln2nid(opt_mac);
1994 if (mac == NID_undef) {
1995 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1996 goto err;
1997 }
1998 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1999 }
2000 return 1;
2001
2002 oom:
2003 CMP_err("out of memory");
2004 err:
2005 return 0;
2006}
2007
2008/*
2009 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
2010 * based on options from config file/CLI.
2011 * Returns pointer on success, NULL on error
2012 */
2013static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *e)
2014{
2015 if (opt_subject == NULL && opt_oldcert == NULL && opt_cert == NULL)
2016 CMP_warn("no -subject given, neither -oldcert nor -cert available as default");
2017 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
2018 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
2019 goto err;
2020
2021 if (opt_newkey != NULL) {
2022 const char *file = opt_newkey;
2023 const int format = opt_keyform;
2024 const char *pass = opt_newkeypass;
2025 const char *desc = "new private or public key for cert to be enrolled";
2026 EVP_PKEY *pkey = load_key_pwd(file, format, pass, e, NULL);
2027 int priv = 1;
2028
2029 if (pkey == NULL) {
2030 ERR_clear_error();
2031 pkey = load_pubkey(file, format, 0, pass, e, desc);
2032 priv = 0;
2033 }
2034 cleanse(opt_newkeypass);
2035 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
2036 EVP_PKEY_free(pkey);
2037 goto err;
2038 }
2039 }
2040
2041 if (opt_days > 0)
2042 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
2043 opt_days);
2044
2045 if (opt_policies != NULL && opt_policy_oids != NULL) {
2046 CMP_err("cannot have policies both via -policies and via -policy_oids");
2047 goto err;
2048 }
2049
2050 if (opt_reqexts != NULL || opt_policies != NULL) {
2051 X509V3_CTX ext_ctx;
2052 X509_EXTENSIONS *exts = sk_X509_EXTENSION_new_null();
2053
2054 if (exts == NULL)
2055 goto err;
2056 X509V3_set_ctx(&ext_ctx, NULL, NULL, NULL, NULL, 0);
2057 X509V3_set_nconf(&ext_ctx, conf);
2058 if (opt_reqexts != NULL
2059 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
2060 CMP_err1("cannot load certificate request extension section '%s'",
2061 opt_reqexts);
2062 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
2063 goto err;
2064 }
2065 if (opt_policies != NULL
2066 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
2067 CMP_err1("cannot load policy cert request extension section '%s'",
2068 opt_policies);
2069 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
2070 goto err;
2071 }
2072 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
2073 }
2074 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
2075 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
2076 goto err;
2077 }
2078
2079 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
2080 goto err;
2081
2082 if (opt_san_nodefault) {
2083 if (opt_sans != NULL)
2084 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
2085 (void)OSSL_CMP_CTX_set_option(ctx,
2086 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
2087 }
2088
2089 if (opt_policy_oids_critical) {
2090 if (opt_policy_oids == NULL)
2091 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
2092 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
2093 }
2094
2095 while (opt_policy_oids != NULL) {
2096 ASN1_OBJECT *policy;
2097 POLICYINFO *pinfo;
2098 char *next = next_item(opt_policy_oids);
2099
2100 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
2101 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
2102 goto err;
2103 }
2104
2105 if ((pinfo = POLICYINFO_new()) == NULL) {
2106 ASN1_OBJECT_free(policy);
2107 goto err;
2108 }
2109 pinfo->policyid = policy;
2110
2111 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
2112 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
2113 POLICYINFO_free(pinfo);
2114 goto err;
2115 }
2116 opt_policy_oids = next;
2117 }
2118
2119 if (opt_popo >= OSSL_CRMF_POPO_NONE)
2120 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
2121
2122 if (opt_csr != NULL) {
2123 if (opt_cmd != CMP_P10CR) {
2124 CMP_warn("-csr option is ignored for command other than p10cr");
2125 } else {
2126 X509_REQ *csr =
2127 load_csr_autofmt(opt_csr, "PKCS#10 CSR for p10cr");
2128
2129 if (csr == NULL)
2130 goto err;
2131 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr)) {
2132 X509_REQ_free(csr);
2133 goto oom;
2134 }
2135 X509_REQ_free(csr);
2136 }
2137 }
2138
2139 if (opt_oldcert != NULL) {
2140 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
2141 "certificate to be updated/revoked");
2142 /* opt_keypass is needed if opt_oldcert is an encrypted PKCS#12 file */
2143
2144 if (oldcert == NULL)
2145 goto err;
2146 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
2147 X509_free(oldcert);
2148 goto oom;
2149 }
2150 X509_free(oldcert);
2151 }
2152 cleanse(opt_keypass);
2153 if (opt_revreason > CRL_REASON_NONE)
2154 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
2155 opt_revreason);
2156
2157 return 1;
2158
2159 oom:
2160 CMP_err("out of memory");
2161 err:
2162 return 0;
2163}
2164
2165static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
2166{
2167 long value;
2168 ASN1_OBJECT *type;
2169 ASN1_INTEGER *aint;
2170 ASN1_TYPE *val;
2171 OSSL_CMP_ITAV *itav;
2172 char *endstr;
2173 char *valptr = strchr(opt_geninfo, ':');
2174
2175 if (valptr == NULL) {
2176 CMP_err("missing ':' in -geninfo option");
2177 return 0;
2178 }
2179 valptr[0] = '\0';
2180 valptr++;
2181
2182 if (strncasecmp(valptr, "int:", 4) != 0) {
2183 CMP_err("missing 'int:' in -geninfo option");
2184 return 0;
2185 }
2186 valptr += 4;
2187
2188 value = strtol(valptr, &endstr, 10);
2189 if (endstr == valptr || *endstr != '\0') {
2190 CMP_err("cannot parse int in -geninfo option");
2191 return 0;
2192 }
2193
2194 type = OBJ_txt2obj(opt_geninfo, 1);
2195 if (type == NULL) {
2196 CMP_err("cannot parse OID in -geninfo option");
2197 return 0;
2198 }
2199
2200 aint = ASN1_INTEGER_new();
2201 if (aint == NULL || !ASN1_INTEGER_set(aint, value))
2202 goto oom;
2203
2204 val = ASN1_TYPE_new();
2205 if (val == NULL) {
2206 ASN1_INTEGER_free(aint);
2207 goto oom;
2208 }
2209 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
2210 itav = OSSL_CMP_ITAV_create(type, val);
2211 if (itav == NULL) {
2212 ASN1_TYPE_free(val);
2213 goto oom;
2214 }
2215
2216 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
2217 OSSL_CMP_ITAV_free(itav);
2218 return 0;
2219 }
2220 return 1;
2221
2222 oom:
2223 CMP_err("out of memory");
2224 return 0;
2225}
2226
2227
2228/*
2229 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
2230 * while parsing options and checking their consistency.
2231 * Prints reason for error to bio_err.
2232 * Returns 1 on success, 0 on error
2233 */
2234static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *e)
2235{
2236 int ret = 0;
2237 char server_buf[200] = { '\0' };
2238 char proxy_buf[200] = { '\0' };
2239 char *proxy_host = NULL;
2240 char *proxy_port_str = NULL;
2241
2242 if (opt_server == NULL) {
2243 CMP_err("missing server address[:port]");
2244 goto err;
2245 } else if ((server_port =
2246 parse_addr(&opt_server, server_port, "server")) < 0) {
2247 goto err;
2248 }
2249 if (server_port != 0)
2250 BIO_snprintf(server_port_s, sizeof(server_port_s), "%d", server_port);
2251 if (!OSSL_CMP_CTX_set1_server(ctx, opt_server)
2252 || !OSSL_CMP_CTX_set_serverPort(ctx, server_port)
2253 || !OSSL_CMP_CTX_set1_serverPath(ctx, opt_path))
2254 goto oom;
2255 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
2256 goto oom;
2257 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s%s%s/%s",
2258 opt_tls_used ? "s" : "", opt_server,
2259 server_port == 0 ? "" : ":", server_port_s,
2260 opt_path[0] == '/' ? opt_path + 1 : opt_path);
2261
2262 if (opt_proxy != NULL)
2263 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", opt_proxy);
2264 CMP_info2("will contact %s%s", server_buf, proxy_buf);
2265
2266 if (!transform_opts())
2267 goto err;
2268
2269 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
2270 if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
2271 CMP_err("missing -newkey (or -key) to be certified");
2272 goto err;
2273 }
2274 if (opt_certout == NULL) {
2275 CMP_err("-certout not given, nowhere to save certificate");
2276 goto err;
2277 }
2278 }
2279 if (opt_cmd == CMP_KUR) {
2280 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
2281
2282 if (ref_cert == NULL) {
2283 CMP_err("missing -oldcert option for certificate to be updated");
2284 goto err;
2285 }
2286 if (opt_subject != NULL)
2287 CMP_warn2("-subject '%s' given, which overrides the subject of '%s' in KUR",
2288 opt_subject, ref_cert);
2289 }
2290 if (opt_cmd == CMP_RR && opt_oldcert == NULL) {
2291 CMP_err("missing certificate to be revoked");
2292 goto err;
2293 }
2294 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
2295 CMP_err("missing PKCS#10 CSR for p10cr");
2296 goto err;
2297 }
2298
2299 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
2300 && opt_oldcert == NULL && opt_cert == NULL)
2301 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
2302
2303 if (opt_infotype_s != NULL) {
2304 char id_buf[100] = "id-it-";
2305
2306 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
2307 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
2308 CMP_err("unknown OID name in -infotype option");
2309 goto err;
2310 }
2311 }
2312
2313 if (!setup_verification_ctx(ctx))
2314 goto err;
2315
2316 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
2317 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
2318 opt_msg_timeout);
2319 if (opt_total_timeout >= 0)
2320 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
2321 opt_total_timeout);
2322
143be474
DDO		 2323 if (opt_reqin != NULL && opt_rspin != NULL)
2324 CMP_warn("-reqin is ignored since -rspin is present");
2325 if (opt_reqin_new_tid && opt_reqin == NULL)
2326 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
8d9a4d83
DDO		 2327 if (opt_reqin != NULL || opt_reqout != NULL
2328 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
2329 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
2330
2331 if ((opt_tls_cert != NULL || opt_tls_key != NULL
2332 || opt_tls_keypass != NULL || opt_tls_extra != NULL
2333 || opt_tls_trusted != NULL || opt_tls_host != NULL)
2334 && !opt_tls_used)
2335 CMP_warn("TLS options(s) given but not -tls_used");
2336 if (opt_tls_used) {
2337#ifdef OPENSSL_NO_SOCK
2338 BIO_printf(bio_err, "Cannot use TLS - sockets not supported\n");
2339 goto err;
2340#else
2341 APP_HTTP_TLS_INFO *info;
2342
2343 if (opt_tls_cert != NULL
2344 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
2345 if (opt_tls_key == NULL) {
2346 CMP_err("missing -tls_key option");
2347 goto err;
2348 } else if (opt_tls_cert == NULL) {
2349 CMP_err("missing -tls_cert option");
2350 goto err;
2351 }
2352 }
2353 if (opt_use_mock_srv) {
2354 CMP_err("cannot use TLS options together with -use_mock_srv");
2355 goto err;
2356 }
2357 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
2358 goto err;
2359 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
2360 /* info will be freed along with CMP ctx */
2361 info->server = opt_server;
2362 info->port = server_port_s;
2363 info->use_proxy = opt_proxy != NULL;
2364 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
2365 info->ssl_ctx = setup_ssl_ctx(ctx, e);
2366 if (info->ssl_ctx == NULL)
2367 goto err;
2368 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
2369#endif
2370 }
2371
2372 if (!setup_protection_ctx(ctx, e))
2373 goto err;
2374
2375 if (!setup_request_ctx(ctx, e))
2376 goto err;
2377
2378 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
2379 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
2380 ctx, "expected sender"))
2381 goto oom;
2382
2383 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
2384 goto err;
2385
2386 ret = 1;
2387
2388 err:
2389 OPENSSL_free(proxy_host);
2390 OPENSSL_free(proxy_port_str);
2391 return ret;
2392 oom:
2393 CMP_err("out of memory");
2394 goto err;
2395}
2396
2397/*
2398 * write out the given certificate to the output specified by bio.
2399 * Depending on options use either PEM or DER format.
2400 * Returns 1 on success, 0 on error
2401 */
2402static int write_cert(BIO *bio, X509 *cert)
2403{
2404 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
2405 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
2406 return 1;
2407 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
2408 BIO_printf(bio_err,
2409 "error: unsupported type '%s' for writing certificates\n",
2410 opt_certform_s);
2411 return 0;
2412}
2413
2414/*
2415 * writes out a stack of certs to the given file.
2416 * Depending on options use either PEM or DER format,
2417 * where DER does not make much sense for writing more than one cert!
2418 * Returns number of written certificates on success, 0 on error.
2419 */
2420static int save_certs(OSSL_CMP_CTX *ctx,
2421 STACK_OF(X509) *certs, char *destFile, char *desc)
2422{
2423 BIO *bio = NULL;
2424 int i;
2425 int n = sk_X509_num(certs);
2426
2427 CMP_info3("received %d %s certificate(s), saving to file '%s'",
2428 n, desc, destFile);
2429 if (n > 1 && opt_certform != FORMAT_PEM)
2430 CMP_warn("saving more than one certificate in non-PEM format");
2431
2432 if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
2433 || !BIO_write_filename(bio, (char *)destFile)) {
2434 CMP_err1("could not open file '%s' for writing", destFile);
2435 n = -1;
2436 goto err;
2437 }
2438
2439 for (i = 0; i < n; i++) {
2440 if (!write_cert(bio, sk_X509_value(certs, i))) {
2441 CMP_err1("cannot write certificate to file '%s'", destFile);
2442 n = -1;
2443 goto err;
2444 }
2445 }
2446
2447 err:
2448 BIO_free(bio);
2449 return n;
2450}
2451
2452static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
2453{
2454 OSSL_CMP_ITAV *itav = NULL;
2455 char buf[128];
2456 int i;
2457 int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
2458
2459 if (n == 0) {
2460 CMP_info("genp contains no ITAV");
2461 return;
2462 }
2463
2464 for (i = 0; i < n; i++) {
2465 itav = sk_OSSL_CMP_ITAV_value(itavs, i);
2466 OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
2467 CMP_info1("genp contains ITAV of type: %s", buf);
2468 }
2469}
2470
2471static char opt_item[SECTION_NAME_MAX + 1];
2472/* get previous name from a comma-separated list of names */
2473static const char *prev_item(const char *opt, const char *end)
2474{
2475 const char *beg;
2476 size_t len;
2477
2478 if (end == opt)
2479 return NULL;
2480 beg = end;
2481 while (beg != opt && beg[-1] != ',' && !isspace(beg[-1]))
2482 beg--;
2483 len = end - beg;
2484 if (len > SECTION_NAME_MAX)
2485 len = SECTION_NAME_MAX;
2486 strncpy(opt_item, beg, len);
2487 opt_item[SECTION_NAME_MAX] = '\0'; /* avoid gcc v8 O3 stringop-truncation */
2488 opt_item[len] = '\0';
2489 if (len > SECTION_NAME_MAX)
2490 CMP_warn2("using only first %d characters of section name starting with \"%s\"",
2491 SECTION_NAME_MAX, opt_item);
2492 while (beg != opt && (beg[-1] == ',' || isspace(beg[-1])))
2493 beg--;
2494 return beg;
2495}
2496
2497/* get str value for name from a comma-separated hierarchy of config sections */
2498static char *conf_get_string(const CONF *src_conf, const char *groups,
2499 const char *name)
2500{
2501 char *res = NULL;
2502 const char *end = groups + strlen(groups);
2503
2504 while ((end = prev_item(groups, end)) != NULL) {
2505 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2506 return res;
2507 }
2508 return res;
2509}
2510
2511/* get long val for name from a comma-separated hierarchy of config sections */
2512static int conf_get_number_e(const CONF *conf_, const char *groups,
2513 const char *name, long *result)
2514{
2515 char *str = conf_get_string(conf_, groups, name);
2516 char *tailptr;
2517 long res;
2518
2519 if (str == NULL || *str == '\0')
2520 return 0;
2521
2522 res = strtol(str, &tailptr, 10);
2523 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2524 return 0;
2525
2526 *result = res;
2527 return 1;
2528}
2529
2530/*
2531 * use the command line option table to read values from the CMP section
2532 * of openssl.cnf. Defaults are taken from the config file, they can be
2533 * overwritten on the command line.
2534 */
2535static int read_config(void)
2536{
2537 unsigned int i;
2538 long num = 0;
2539 char *txt = NULL;
2540 const OPTIONS *opt;
2541 int provider_option;
2542 int verification_option;
2543
2544 /*
2545 * starting with offset OPT_SECTION because OPT_CONFIG and OPT_SECTION would
2546 * not make sense within the config file. They have already been handled.
2547 */
2548 for (i = OPT_SECTION - OPT_HELP, opt = &cmp_options[OPT_SECTION];
2549 opt->name; i++, opt++) {
2550 if (!strcmp(opt->name, OPT_SECTION_STR)
2551 || !strcmp(opt->name, OPT_MORE_STR)) {
2552 i--;
2553 continue;
2554 }
2555 provider_option = (OPT_PROV__FIRST <= opt->retval
2556 && opt->retval < OPT_PROV__LAST);
2557 verification_option = (OPT_V__FIRST <= opt->retval
2558 && opt->retval < OPT_V__LAST);
2559 if (provider_option || verification_option)
2560 i--;
2561 if (cmp_vars[i].txt == NULL) {
2562 CMP_err1("internal: cmp_vars array too short, i=%d", i);
2563 return 0;
2564 }
2565 switch (opt->valtype) {
2566 case '-':
2567 case 'n':
2568 case 'l':
2569 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2570 ERR_clear_error();
2571 continue; /* option not provided */
2572 }
2573 break;
2574 /*
2575 * do not use '<' in cmp_options. Incorrect treatment
2576 * somewhere in args_verify() can wrongly set badarg = 1
2577 */
2578 case '<':
2579 case 's':
2580 case 'M':
2581 txt = conf_get_string(conf, opt_section, opt->name);
2582 if (txt == NULL) {
2583 ERR_clear_error();
2584 continue; /* option not provided */
2585 }
2586 break;
2587 default:
2588 CMP_err2("internal: unsupported type '%c' for option '%s'",
2589 opt->valtype, opt->name);
2590 return 0;
2591 break;
2592 }
2593 if (provider_option || verification_option) {
2594 int conf_argc = 1;
2595 char *conf_argv[3];
2596 char arg1[82];
2597
2598 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2599 conf_argv[0] = prog;
2600 conf_argv[1] = arg1;
2601 if (opt->valtype == '-') {
2602 if (num != 0)
2603 conf_argc = 2;
2604 } else {
2605 conf_argc = 3;
2606 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2607 /* not NULL */
2608 }
2609 if (conf_argc > 1) {
2610 (void)opt_init(conf_argc, conf_argv, cmp_options);
2611
2612 if (provider_option
2613 ? !opt_provider(opt_next())
2614 : !opt_verify(opt_next(), vpm)) {
2615 CMP_err2("for option '%s' in config file section '%s'",
2616 opt->name, opt_section);
2617 return 0;
2618 }
2619 }
2620 } else {
2621 switch (opt->valtype) {
2622 case '-':
2623 case 'n':
2624 if (num < INT_MIN || INT_MAX < num) {
2625 BIO_printf(bio_err,
2626 "integer value out of range for option '%s'\n",
2627 opt->name);
2628 return 0;
2629 }
2630 *cmp_vars[i].num = (int)num;
2631 break;
2632 case 'l':
2633 *cmp_vars[i].num_long = num;
2634 break;
2635 default:
2636 if (txt != NULL && txt[0] == '\0')
2637 txt = NULL; /* reset option on empty string input */
2638 *cmp_vars[i].txt = txt;
2639 break;
2640 }
2641 }
2642 }
2643
2644 return 1;
2645}
2646
2647static char *opt_str(char *opt)
2648{
2649 char *arg = opt_arg();
2650
2651 if (arg[0] == '\0') {
2652 CMP_warn1("argument of -%s option is empty string, resetting option",
2653 opt);
2654 arg = NULL;
2655 } else if (arg[0] == '-') {
2656 CMP_warn1("argument of -%s option starts with hyphen", opt);
2657 }
2658 return arg;
2659}
2660
2661static int opt_nat(void)
2662{
2663 int result = -1;
2664
2665 if (opt_int(opt_arg(), &result) && result < 0)
2666 BIO_printf(bio_err, "error: argument '%s' must not be negative\n",
2667 opt_arg());
2668 return result;
2669}
2670
2671/* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
2672static int get_opts(int argc, char **argv)
2673{
2674 OPTION_CHOICE o;
2675
2676 prog = opt_init(argc, argv, cmp_options);
2677
2678 while ((o = opt_next()) != OPT_EOF) {
2679 switch (o) {
2680 case OPT_EOF:
2681 case OPT_ERR:
2682 goto opt_err;
2683 case OPT_HELP:
2684 opt_help(cmp_options);
2685 return -1;
2686 case OPT_CONFIG: /* has already been handled */
2687 break;
2688 case OPT_SECTION: /* has already been handled */
2689 break;
2690 case OPT_SERVER:
2691 opt_server = opt_str("server");
2692 break;
2693 case OPT_PROXY:
2694 opt_proxy = opt_str("proxy");
2695 break;
2696 case OPT_NO_PROXY:
2697 opt_no_proxy = opt_str("no_proxy");
2698 break;
2699 case OPT_PATH:
2700 opt_path = opt_str("path");
2701 break;
2702 case OPT_MSG_TIMEOUT:
2703 if ((opt_msg_timeout = opt_nat()) < 0)
2704 goto opt_err;
2705 break;
2706 case OPT_TOTAL_TIMEOUT:
2707 if ((opt_total_timeout = opt_nat()) < 0)
2708 goto opt_err;
2709 break;
2710 case OPT_TLS_USED:
2711 opt_tls_used = 1;
2712 break;
2713 case OPT_TLS_CERT:
2714 opt_tls_cert = opt_str("tls_cert");
2715 break;
2716 case OPT_TLS_KEY:
2717 opt_tls_key = opt_str("tls_key");
2718 break;
2719 case OPT_TLS_KEYPASS:
2720 opt_tls_keypass = opt_str("tls_keypass");
2721 break;
2722 case OPT_TLS_EXTRA:
2723 opt_tls_extra = opt_str("tls_extra");
2724 break;
2725 case OPT_TLS_TRUSTED:
2726 opt_tls_trusted = opt_str("tls_trusted");
2727 break;
2728 case OPT_TLS_HOST:
2729 opt_tls_host = opt_str("tls_host");
2730 break;
2731 case OPT_REF:
2732 opt_ref = opt_str("ref");
2733 break;
2734 case OPT_SECRET:
2735 opt_secret = opt_str("secret");
2736 break;
2737 case OPT_CERT:
2738 opt_cert = opt_str("cert");
2739 break;
2740 case OPT_KEY:
2741 opt_key = opt_str("key");
2742 break;
2743 case OPT_KEYPASS:
2744 opt_keypass = opt_str("keypass");
2745 break;
2746 case OPT_DIGEST:
2747 opt_digest = opt_str("digest");
2748 break;
2749 case OPT_MAC:
2750 opt_mac = opt_str("mac");
2751 break;
2752 case OPT_EXTRACERTS:
2753 opt_extracerts = opt_str("extracerts");
2754 break;
2755 case OPT_UNPROTECTED_REQUESTS:
2756 opt_unprotected_requests = 1;
2757 break;
2758
2759 case OPT_TRUSTED:
2760 opt_trusted = opt_str("trusted");
2761 break;
2762 case OPT_UNTRUSTED:
2763 opt_untrusted = opt_str("untrusted");
2764 break;
2765 case OPT_SRVCERT:
2766 opt_srvcert = opt_str("srvcert");
2767 break;
2768 case OPT_RECIPIENT:
2769 opt_recipient = opt_str("recipient");
2770 break;
2771 case OPT_EXPECT_SENDER:
2772 opt_expect_sender = opt_str("expect_sender");
2773 break;
2774 case OPT_IGNORE_KEYUSAGE:
2775 opt_ignore_keyusage = 1;
2776 break;
2777 case OPT_UNPROTECTED_ERRORS:
2778 opt_unprotected_errors = 1;
2779 break;
2780 case OPT_EXTRACERTSOUT:
2781 opt_extracertsout = opt_str("extracertsout");
2782 break;
2783 case OPT_CACERTSOUT:
2784 opt_cacertsout = opt_str("cacertsout");
2785 break;
2786
2787 case OPT_V_CASES:
2788 if (!opt_verify(o, vpm))
2789 goto opt_err;
2790 break;
2791 case OPT_CMD:
2792 opt_cmd_s = opt_str("cmd");
2793 break;
2794 case OPT_INFOTYPE:
2795 opt_infotype_s = opt_str("infotype");
2796 break;
2797 case OPT_GENINFO:
2798 opt_geninfo = opt_str("geninfo");
2799 break;
2800
2801 case OPT_NEWKEY:
2802 opt_newkey = opt_str("newkey");
2803 break;
2804 case OPT_NEWKEYPASS:
2805 opt_newkeypass = opt_str("newkeypass");
2806 break;
2807 case OPT_SUBJECT:
2808 opt_subject = opt_str("subject");
2809 break;
2810 case OPT_ISSUER:
2811 opt_issuer = opt_str("issuer");
2812 break;
2813 case OPT_DAYS:
2814 if ((opt_days = opt_nat()) < 0)
2815 goto opt_err;
2816 break;
2817 case OPT_REQEXTS:
2818 opt_reqexts = opt_str("reqexts");
2819 break;
2820 case OPT_SANS:
2821 opt_sans = opt_str("sans");
2822 break;
2823 case OPT_SAN_NODEFAULT:
2824 opt_san_nodefault = 1;
2825 break;
2826 case OPT_POLICIES:
2827 opt_policies = opt_str("policies");
2828 break;
2829 case OPT_POLICY_OIDS:
2830 opt_policy_oids = opt_str("policy_oids");
2831 break;
2832 case OPT_POLICY_OIDS_CRITICAL:
2833 opt_policy_oids_critical = 1;
2834 break;
2835 case OPT_POPO:
2836 if (!opt_int(opt_arg(), &opt_popo)
2837 || opt_popo < OSSL_CRMF_POPO_NONE
2838 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2839 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2840 goto opt_err;
2841 }
2842 break;
2843 case OPT_CSR:
2844 opt_csr = opt_arg();
2845 break;
2846 case OPT_OUT_TRUSTED:
2847 opt_out_trusted = opt_str("out_trusted");
2848 break;
2849 case OPT_IMPLICIT_CONFIRM:
2850 opt_implicit_confirm = 1;
2851 break;
2852 case OPT_DISABLE_CONFIRM:
2853 opt_disable_confirm = 1;
2854 break;
2855 case OPT_CERTOUT:
2856 opt_certout = opt_str("certout");
2857 break;
2858 case OPT_OLDCERT:
2859 opt_oldcert = opt_str("oldcert");
2860 break;
2861 case OPT_REVREASON:
2862 if (!opt_int(opt_arg(), &opt_revreason)
2863 || opt_revreason < CRL_REASON_NONE
2864 || opt_revreason > CRL_REASON_AA_COMPROMISE
2865 || opt_revreason == 7) {
2866 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2867 goto opt_err;
2868 }
2869 break;
2870 case OPT_CERTFORM:
2871 opt_certform_s = opt_str("certform");
2872 break;
2873 case OPT_KEYFORM:
2874 opt_keyform_s = opt_str("keyform");
2875 break;
2876 case OPT_CERTSFORM:
2877 opt_certsform_s = opt_str("certsform");
2878 break;
2879 case OPT_OTHERPASS:
2880 opt_otherpass = opt_str("otherpass");
2881 break;
2882#ifndef OPENSSL_NO_ENGINE
2883 case OPT_ENGINE:
2884 opt_engine = opt_str("engine");
2885 break;
2886#endif
2887 case OPT_PROV_CASES:
2888 if (!opt_provider(o))
2889 goto opt_err;
2890 break;
2891
2892 case OPT_BATCH:
2893 opt_batch = 1;
2894 break;
2895 case OPT_REPEAT:
2896 opt_repeat = opt_nat();
2897 break;
2898 case OPT_REQIN:
2899 opt_reqin = opt_str("reqin");
2900 break;
143be474
DDO		 2901 case OPT_REQIN_NEW_TID:
2902 opt_reqin_new_tid = 1;
2903 break;
8d9a4d83
DDO		 2904 case OPT_REQOUT:
2905 opt_reqout = opt_str("reqout");
2906 break;
2907 case OPT_RSPIN:
2908 opt_rspin = opt_str("rspin");
2909 break;
2910 case OPT_RSPOUT:
2911 opt_rspout = opt_str("rspout");
2912 break;
2913 case OPT_USE_MOCK_SRV:
2914 opt_use_mock_srv = 1;
2915 break;
2916 case OPT_PORT:
2917 opt_port = opt_str("port");
2918 break;
2919 case OPT_MAX_MSGS:
2920 if ((opt_max_msgs = opt_nat()) < 0)
2921 goto opt_err;
2922 break;
2923 case OPT_SRV_REF:
2924 opt_srv_ref = opt_str("srv_ref");
2925 break;
2926 case OPT_SRV_SECRET:
2927 opt_srv_secret = opt_str("srv_secret");
2928 break;
2929 case OPT_SRV_CERT:
2930 opt_srv_cert = opt_str("srv_cert");
2931 break;
2932 case OPT_SRV_KEY:
2933 opt_srv_key = opt_str("srv_key");
2934 break;
2935 case OPT_SRV_KEYPASS:
2936 opt_srv_keypass = opt_str("srv_keypass");
2937 break;
2938 case OPT_SRV_TRUSTED:
2939 opt_srv_trusted = opt_str("srv_trusted");
2940 break;
2941 case OPT_SRV_UNTRUSTED:
2942 opt_srv_untrusted = opt_str("srv_untrusted");
2943 break;
2944 case OPT_RSP_CERT:
2945 opt_rsp_cert = opt_str("rsp_cert");
2946 break;
2947 case OPT_RSP_EXTRACERTS:
2948 opt_rsp_extracerts = opt_str("rsp_extracerts");
2949 break;
2950 case OPT_RSP_CAPUBS:
2951 opt_rsp_capubs = opt_str("rsp_capubs");
2952 break;
2953 case OPT_POLL_COUNT:
2954 opt_poll_count = opt_nat();
2955 break;
2956 case OPT_CHECK_AFTER:
2957 opt_check_after = opt_nat();
2958 break;
2959 case OPT_GRANT_IMPLICITCONF:
2960 opt_grant_implicitconf = 1;
2961 break;
2962 case OPT_PKISTATUS:
2963 opt_pkistatus = opt_nat();
2964 break;
2965 case OPT_FAILURE:
2966 opt_failure = opt_nat();
2967 break;
2968 case OPT_FAILUREBITS:
2969 opt_failurebits = opt_nat();
2970 break;
2971 case OPT_STATUSSTRING:
2972 opt_statusstring = opt_str("statusstring");
2973 break;
2974 case OPT_SEND_ERROR:
2975 opt_send_error = 1;
2976 break;
2977 case OPT_SEND_UNPROTECTED:
2978 opt_send_unprotected = 1;
2979 break;
2980 case OPT_SEND_UNPROT_ERR:
2981 opt_send_unprot_err = 1;
2982 break;
2983 case OPT_ACCEPT_UNPROTECTED:
2984 opt_accept_unprotected = 1;
2985 break;
2986 case OPT_ACCEPT_UNPROT_ERR:
2987 opt_accept_unprot_err = 1;
2988 break;
2989 case OPT_ACCEPT_RAVERIFIED:
2990 opt_accept_raverified = 1;
2991 break;
2992 }
2993 }
2994 argc = opt_num_rest();
2995 argv = opt_rest();
2996 if (argc != 0) {
2997 CMP_err1("unknown parameter %s", argv[0]);
2998 goto opt_err;
2999 }
3000 return 1;
3001
3002 opt_err:
3003 CMP_err1("use -help for summary of '%s' options", prog);
3004 return 0;
3005}
3006
3007int cmp_main(int argc, char **argv)
3008{
3009 char *configfile = NULL;
3010 int i;
3011 X509 *newcert = NULL;
3012 ENGINE *e = NULL;
3013 char mock_server[] = "mock server:1";
3014 int ret = 0; /* default: failure */
3015
3016 if (argc <= 1) {
3017 opt_help(cmp_options);
3018 goto err;
3019 }
3020
3021 /*
3022 * handle OPT_CONFIG and OPT_SECTION upfront to take effect for other opts
3023 */
3024 for (i = 1; i < argc - 1; i++) {
3025 if (*argv[i] == '-') {
3026 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
3027 opt_config = argv[i + 1];
3028 else if (!strcmp(argv[i] + 1,
3029 cmp_options[OPT_SECTION - OPT_HELP].name))
3030 opt_section = argv[i + 1];
3031 }
3032 }
3033 if (opt_section[0] == '\0') /* empty string */
3034 opt_section = DEFAULT_SECTION;
3035
3036 vpm = X509_VERIFY_PARAM_new();
3037 if (vpm == NULL) {
3038 CMP_err("out of memory");
3039 goto err;
3040 }
3041
3042 /* read default values for options from config file */
3043 configfile = opt_config != NULL ? opt_config : default_config_file;
3044 if (configfile && configfile[0] != '\0' /* non-empty string */
3045 && (configfile != default_config_file
3046 || access(configfile, F_OK) != -1)) {
3047 CMP_info1("using OpenSSL configuration file '%s'", configfile);
3048 conf = app_load_config(configfile);
3049 if (conf == NULL) {
3050 goto err;
3051 } else {
3052 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
3053 if (!NCONF_get_section(conf, opt_section))
3054 CMP_info2("no [%s] section found in config file '%s';"
3055 " will thus use just [default] and unnamed section if present",
3056 opt_section, configfile);
3057 } else {
3058 const char *end = opt_section + strlen(opt_section);
3059 while ((end = prev_item(opt_section, end)) != NULL) {
3060 if (!NCONF_get_section(conf, opt_item)) {
3061 CMP_err2("no [%s] section found in config file '%s'",
3062 opt_item, configfile);
3063 goto err;
3064 }
3065 }
3066 }
3067 if (!read_config())
3068 goto err;
3069 }
3070 }
3071 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
3072
3073 ret = get_opts(argc, argv);
3074 if (ret <= 0)
3075 goto err;
3076 ret = 0;
3077
3078 if (opt_batch) {
3079#ifndef OPENSSL_NO_ENGINE
3080 UI_METHOD *ui_fallback_method;
3081# ifndef OPENSSL_NO_UI_CONSOLE
3082 ui_fallback_method = UI_OpenSSL();
3083# else
3084 ui_fallback_method = (UI_METHOD *)UI_null();
3085# endif
3086 UI_method_set_reader(ui_fallback_method, NULL);
3087#endif
3088 }
3089
3090 if (opt_engine != NULL)
3091 e = setup_engine_flags(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
3092
3093 if (opt_port != NULL) {
3094 if (opt_use_mock_srv) {
3095 CMP_err("cannot use both -port and -use_mock_srv options");
3096 goto err;
3097 }
3098 if (opt_server != NULL) {
3099 CMP_err("cannot use both -port and -server options");
3100 goto err;
3101 }
3102 }
3103
3104 if ((cmp_ctx = OSSL_CMP_CTX_new()) == NULL) {
3105 CMP_err("out of memory");
3106 goto err;
3107 }
3108 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
3109 CMP_err1("cannot set up error reporting and logging for %s", prog);
3110 goto err;
3111 }
3112 if ((opt_use_mock_srv || opt_port != NULL)) {
3113 OSSL_CMP_SRV_CTX *srv_ctx;
3114
3115 if ((srv_ctx = setup_srv_ctx(e)) == NULL)
3116 goto err;
3117 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
3118 if (!OSSL_CMP_CTX_set_log_cb(OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx),
3119 print_to_bio_out)) {
3120 CMP_err1("cannot set up error reporting and logging for %s", prog);
3121 goto err;
3122 }
3123 }
3124
3125
3126 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
3127#ifdef OPENSSL_NO_SOCK
3128 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
3129#else
3130 BIO *acbio;
3131 BIO *cbio = NULL;
3132 int msgs = 0;
3133
3134 if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
3135 goto err;
3136 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
3137 OSSL_CMP_MSG *req = NULL;
3138 OSSL_CMP_MSG *resp = NULL;
3139
3140 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
3141 (ASN1_VALUE **)&req, &cbio, acbio,
3142 prog, 0, 0);
3143 if (ret == 0)
3144 continue;
3145 if (ret++ == -1)
3146 break; /* fatal error */
3147
3148 ret = 0;
3149 msgs++;
3150 if (req != NULL) {
3151 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
3152 OSSL_CMP_MSG_free(req);
3153 if (resp == NULL)
3154 break; /* treated as fatal error */
3155 ret = http_server_send_asn1_resp(cbio, "application/pkixcmp",
3156 ASN1_ITEM_rptr(OSSL_CMP_MSG),
3157 (const ASN1_VALUE *)resp);
3158 OSSL_CMP_MSG_free(resp);
3159 if (!ret)
3160 break; /* treated as fatal error */
3161 }
3162 BIO_free_all(cbio);
3163 cbio = NULL;
3164 }
3165 BIO_free_all(cbio);
3166 BIO_free_all(acbio);
3167#endif
3168 goto err;
3169 }
3170 /* else act as CMP client */
3171
3172 if (opt_use_mock_srv) {
3173 if (opt_server != NULL) {
3174 CMP_err("cannot use both -use_mock_srv and -server options");
3175 goto err;
3176 }
3177 if (opt_proxy != NULL) {
3178 CMP_err("cannot use both -use_mock_srv and -proxy options");
3179 goto err;
3180 }
3181 opt_server = mock_server;
3182 opt_proxy = "API";
3183 } else {
3184 if (opt_server == NULL) {
3185 CMP_err("missing -server option");
3186 goto err;
3187 }
3188 }
3189
3190 if (!setup_client_ctx(cmp_ctx, e)) {
3191 CMP_err("cannot set up CMP context");
3192 goto err;
3193 }
3194 for (i = 0; i < opt_repeat; i++) {
3195 /* everything is ready, now connect and perform the command! */
3196 switch (opt_cmd) {
3197 case CMP_IR:
3198 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
3199 if (newcert == NULL)
3200 goto err;
3201 break;
3202 case CMP_KUR:
3203 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
3204 if (newcert == NULL)
3205 goto err;
3206 break;
3207 case CMP_CR:
3208 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
3209 if (newcert == NULL)
3210 goto err;
3211 break;
3212 case CMP_P10CR:
3213 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
3214 if (newcert == NULL)
3215 goto err;
3216 break;
3217 case CMP_RR:
3218 if (OSSL_CMP_exec_RR_ses(cmp_ctx) == NULL)
3219 goto err;
3220 break;
3221 case CMP_GENM:
3222 {
3223 STACK_OF(OSSL_CMP_ITAV) *itavs;
3224
3225 if (opt_infotype != NID_undef) {
3226 OSSL_CMP_ITAV *itav =
3227 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
3228 if (itav == NULL)
3229 goto err;
3230 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
3231 }
3232
3233 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) == NULL)
3234 goto err;
3235 print_itavs(itavs);
3236 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
3237 break;
3238 }
3239 default:
3240 break;
3241 }
3242
3243 {
3244 /* print PKIStatusInfo (this is in case there has been no error) */
3245 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
3246 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
3247 const char *string =
3248 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
3249 OSSL_CMP_PKISI_BUFLEN);
3250
3251 CMP_print(bio_err,
3252 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
3253 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
3254 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
3255 : "warning",
3256 "received from %s %s %s", opt_server,
3257 string != NULL ? string : "<unknown PKIStatus>", "");
3258 OPENSSL_free(buf);
3259 }
3260
3261 if (opt_cacertsout != NULL) {
3262 STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_caPubs(cmp_ctx);
3263
3264 if (sk_X509_num(certs) > 0
3265 && save_certs(cmp_ctx, certs, opt_cacertsout, "CA") < 0) {
3266 sk_X509_pop_free(certs, X509_free);
3267 goto err;
3268 }
3269 sk_X509_pop_free(certs, X509_free);
3270 }
3271
3272 if (opt_extracertsout != NULL) {
3273 STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx);
3274 if (sk_X509_num(certs) > 0
3275 && save_certs(cmp_ctx, certs, opt_extracertsout,
3276 "extra") < 0) {
3277 sk_X509_pop_free(certs, X509_free);
3278 goto err;
3279 }
3280 sk_X509_pop_free(certs, X509_free);
3281 }
3282
3283 if (opt_certout != NULL && newcert != NULL) {
3284 STACK_OF(X509) *certs = sk_X509_new_null();
3285
3286 if (certs == NULL || !sk_X509_push(certs, newcert)
3287 || save_certs(cmp_ctx, certs, opt_certout,
3288 "enrolled") < 0) {
3289 sk_X509_free(certs);
3290 goto err;
3291 }
3292 sk_X509_free(certs);
3293 }
3294 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
3295 goto err;
3296 }
3297 ret = 1;
3298
3299 err:
3300 /* in case we ended up here on error without proper cleaning */
3301 cleanse(opt_keypass);
3302 cleanse(opt_newkeypass);
3303 cleanse(opt_otherpass);
3304 cleanse(opt_tls_keypass);
3305 cleanse(opt_secret);
3306 cleanse(opt_srv_keypass);
3307 cleanse(opt_srv_secret);
3308
3309 if (ret != 1)
3310 OSSL_CMP_CTX_print_errors(cmp_ctx);
3311
3312 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3313 {
3314 APP_HTTP_TLS_INFO *http_tls_info =
3315 OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3316
3317 if (http_tls_info != NULL) {
3318 SSL_CTX_free(http_tls_info->ssl_ctx);
3319 OPENSSL_free(http_tls_info);
3320 }
3321 }
3322 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3323 OSSL_CMP_CTX_free(cmp_ctx);
3324 X509_VERIFY_PARAM_free(vpm);
3325 release_engine(e);
3326
3327 NCONF_free(conf); /* must not do as long as opt_... variables are used */
3328 OSSL_CMP_log_close();
3329
3330 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS;
3331}
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