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APPS and TEST: Make sure prog name is set for usage output
[thirdparty/openssl.git] / apps / cmp.c
1 /*
2 * Copyright 2007-2021 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
45 static char *prog;
46 static char *opt_config = NULL;
47 #define CMP_SECTION "cmp"
48 #define SECTION_NAME_MAX 40 /* max length of section name */
49 #define DEFAULT_SECTION "default"
50 static char *opt_section = CMP_SECTION;
51 static int opt_verbosity = OSSL_CMP_LOG_INFO;
52
53 static int read_config(void);
54
55 static CONF *conf = NULL; /* OpenSSL config file context structure */
56 static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
57
58 /* the type of cmp command we want to send */
59 typedef enum {
60 CMP_IR,
61 CMP_KUR,
62 CMP_CR,
63 CMP_P10CR,
64 CMP_RR,
65 CMP_GENM
66 } cmp_cmd_t;
67
68 /* message transfer */
69 static char *opt_server = NULL;
70 static char server_port[32] = { '\0' };
71 static char *opt_path = NULL;
72 static char *opt_proxy = NULL;
73 static char *opt_no_proxy = NULL;
74 static char *opt_recipient = NULL;
75 static int opt_msg_timeout = -1;
76 static int opt_total_timeout = -1;
77
78 /* server authentication */
79 static char *opt_trusted = NULL;
80 static char *opt_untrusted = NULL;
81 static char *opt_srvcert = NULL;
82 static char *opt_expect_sender = NULL;
83 static int opt_ignore_keyusage = 0;
84 static int opt_unprotected_errors = 0;
85 static char *opt_extracertsout = NULL;
86 static char *opt_cacertsout = NULL;
87
88 /* client authentication */
89 static char *opt_ref = NULL;
90 static char *opt_secret = NULL;
91 static char *opt_cert = NULL;
92 static char *opt_own_trusted = NULL;
93 static char *opt_key = NULL;
94 static char *opt_keypass = NULL;
95 static char *opt_digest = NULL;
96 static char *opt_mac = NULL;
97 static char *opt_extracerts = NULL;
98 static int opt_unprotected_requests = 0;
99
100 /* generic message */
101 static char *opt_cmd_s = NULL;
102 static int opt_cmd = -1;
103 static char *opt_geninfo = NULL;
104 static char *opt_infotype_s = NULL;
105 static int opt_infotype = NID_undef;
106
107 /* certificate enrollment */
108 static char *opt_newkey = NULL;
109 static char *opt_newkeypass = NULL;
110 static char *opt_subject = NULL;
111 static char *opt_issuer = NULL;
112 static int opt_days = 0;
113 static char *opt_reqexts = NULL;
114 static char *opt_sans = NULL;
115 static int opt_san_nodefault = 0;
116 static char *opt_policies = NULL;
117 static char *opt_policy_oids = NULL;
118 static int opt_policy_oids_critical = 0;
119 static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
120 static char *opt_csr = NULL;
121 static char *opt_out_trusted = NULL;
122 static int opt_implicit_confirm = 0;
123 static int opt_disable_confirm = 0;
124 static char *opt_certout = NULL;
125 static char *opt_chainout = NULL;
126
127 /* certificate enrollment and revocation */
128 static char *opt_oldcert = NULL;
129 static int opt_revreason = CRL_REASON_NONE;
130
131 /* credentials format */
132 static char *opt_certform_s = "PEM";
133 static int opt_certform = FORMAT_PEM;
134 static char *opt_keyform_s = "PEM";
135 static int opt_keyform = FORMAT_PEM;
136 static char *opt_otherpass = NULL;
137 static char *opt_engine = NULL;
138
139 /* TLS connection */
140 static int opt_tls_used = 0;
141 static char *opt_tls_cert = NULL;
142 static char *opt_tls_key = NULL;
143 static char *opt_tls_keypass = NULL;
144 static char *opt_tls_extra = NULL;
145 static char *opt_tls_trusted = NULL;
146 static char *opt_tls_host = NULL;
147
148 /* client-side debugging */
149 static int opt_batch = 0;
150 static int opt_repeat = 1;
151 static char *opt_reqin = NULL;
152 static int opt_reqin_new_tid = 0;
153 static char *opt_reqout = NULL;
154 static char *opt_rspin = NULL;
155 static char *opt_rspout = NULL;
156 static int opt_use_mock_srv = 0;
157
158 /* server-side debugging */
159 static char *opt_port = NULL;
160 static int opt_max_msgs = 0;
161
162 static char *opt_srv_ref = NULL;
163 static char *opt_srv_secret = NULL;
164 static char *opt_srv_cert = NULL;
165 static char *opt_srv_key = NULL;
166 static char *opt_srv_keypass = NULL;
167
168 static char *opt_srv_trusted = NULL;
169 static char *opt_srv_untrusted = NULL;
170 static char *opt_rsp_cert = NULL;
171 static char *opt_rsp_extracerts = NULL;
172 static char *opt_rsp_capubs = NULL;
173 static int opt_poll_count = 0;
174 static int opt_check_after = 1;
175 static int opt_grant_implicitconf = 0;
176
177 static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
178 static int opt_failure = INT_MIN;
179 static int opt_failurebits = 0;
180 static char *opt_statusstring = NULL;
181 static int opt_send_error = 0;
182 static int opt_send_unprotected = 0;
183 static int opt_send_unprot_err = 0;
184 static int opt_accept_unprotected = 0;
185 static int opt_accept_unprot_err = 0;
186 static int opt_accept_raverified = 0;
187
188 static X509_VERIFY_PARAM *vpm = NULL;
189
190 typedef enum OPTION_choice {
191 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
192 OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
193
194 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
195
196 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
197 OPT_DAYS, OPT_REQEXTS,
198 OPT_SANS, OPT_SAN_NODEFAULT,
199 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
200 OPT_POPO, OPT_CSR,
201 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
202 OPT_CERTOUT, OPT_CHAINOUT,
203
204 OPT_OLDCERT, OPT_REVREASON,
205
206 OPT_SERVER, OPT_PATH, OPT_PROXY, OPT_NO_PROXY,
207 OPT_RECIPIENT,
208 OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
209
210 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
211 OPT_EXPECT_SENDER,
212 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
213 OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
214
215 OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
216 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
217 OPT_UNPROTECTED_REQUESTS,
218
219 OPT_CERTFORM, OPT_KEYFORM,
220 OPT_OTHERPASS,
221 #ifndef OPENSSL_NO_ENGINE
222 OPT_ENGINE,
223 #endif
224 OPT_PROV_ENUM,
225
226 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
227 OPT_TLS_KEYPASS,
228 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
229
230 OPT_BATCH, OPT_REPEAT,
231 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
232 OPT_USE_MOCK_SRV,
233
234 OPT_PORT, OPT_MAX_MSGS,
235 OPT_SRV_REF, OPT_SRV_SECRET,
236 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
237 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
238 OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
239 OPT_POLL_COUNT, OPT_CHECK_AFTER,
240 OPT_GRANT_IMPLICITCONF,
241 OPT_PKISTATUS, OPT_FAILURE,
242 OPT_FAILUREBITS, OPT_STATUSSTRING,
243 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
244 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
245 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
246
247 OPT_V_ENUM
248 } OPTION_CHOICE;
249
250 const OPTIONS cmp_options[] = {
251 /* entries must be in the same order as enumerated above!! */
252 {"help", OPT_HELP, '-', "Display this summary"},
253 {"config", OPT_CONFIG, 's',
254 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
255 {"section", OPT_SECTION, 's',
256 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
257 {"verbosity", OPT_VERBOSITY, 'n',
258 "Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
259
260 OPT_SECTION("Generic message"),
261 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
262 {"infotype", OPT_INFOTYPE, 's',
263 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
264 {"geninfo", OPT_GENINFO, 's',
265 "generalInfo integer values to place in request PKIHeader with given OID"},
266 {OPT_MORE_STR, 0, 0,
267 "specified in the form <OID>:int:<n>, e.g. \"1.2.3.4:int:56789\""},
268
269 OPT_SECTION("Certificate enrollment"),
270 {"newkey", OPT_NEWKEY, 's',
271 "Private or public key for the requested cert. Default: CSR key or client key"},
272 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
273 {"subject", OPT_SUBJECT, 's',
274 "Distinguished Name (DN) of subject to use in the requested cert template"},
275 {OPT_MORE_STR, 0, 0,
276 "For kur, default is subject of -csr arg or else of reference cert (see -oldcert)"},
277 {OPT_MORE_STR, 0, 0,
278 "this default is used for ir and cr only if no Subject Alt Names are set"},
279 {"issuer", OPT_ISSUER, 's',
280 "DN of the issuer to place in the requested certificate template"},
281 {OPT_MORE_STR, 0, 0,
282 "also used as recipient if neither -recipient nor -srvcert are given"},
283 {"days", OPT_DAYS, 'n',
284 "Requested validity time of the new certificate in number of days"},
285 {"reqexts", OPT_REQEXTS, 's',
286 "Name of config file section defining certificate request extensions."},
287 {OPT_MORE_STR, 0, 0,
288 "Augments or replaces any extensions contained CSR given with -csr"},
289 {"sans", OPT_SANS, 's',
290 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
291 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
292 "Do not take default SANs from reference certificate (see -oldcert)"},
293 {"policies", OPT_POLICIES, 's',
294 "Name of config file section defining policies certificate request extension"},
295 {"policy_oids", OPT_POLICY_OIDS, 's',
296 "Policy OID(s) to add as policies certificate request extension"},
297 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
298 "Flag the policy OID(s) given with -policy_oids as critical"},
299 {"popo", OPT_POPO, 'n',
300 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
301 {OPT_MORE_STR, 0, 0,
302 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
303 {"csr", OPT_CSR, 's',
304 "PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
305 {"out_trusted", OPT_OUT_TRUSTED, 's',
306 "Certificates to trust when verifying newly enrolled certificates"},
307 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
308 "Request implicit confirmation of newly enrolled certificates"},
309 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
310 "Do not confirm newly enrolled certificate w/o requesting implicit"},
311 {OPT_MORE_STR, 0, 0,
312 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
313 {"certout", OPT_CERTOUT, 's',
314 "File to save newly enrolled certificate"},
315 {"chainout", OPT_CHAINOUT, 's',
316 "File to save the chain of newly enrolled certificate"},
317
318 OPT_SECTION("Certificate enrollment and revocation"),
319
320 {"oldcert", OPT_OLDCERT, 's',
321 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
322 {OPT_MORE_STR, 0, 0,
323 "also used as reference (defaulting to -cert) for subject DN and SANs."},
324 {OPT_MORE_STR, 0, 0,
325 "Its issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
326 {"revreason", OPT_REVREASON, 'n',
327 "Reason code to include in revocation request (rr); possible values:"},
328 {OPT_MORE_STR, 0, 0,
329 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
330
331 OPT_SECTION("Message transfer"),
332 {"server", OPT_SERVER, 's',
333 "[http[s]://]address[:port][/path] of CMP server. Default port 80 or 443."},
334 {OPT_MORE_STR, 0, 0,
335 "address may be a DNS name or an IP address; path can be overridden by -path"},
336 {"path", OPT_PATH, 's',
337 "HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
338 {"proxy", OPT_PROXY, 's',
339 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
340 {"no_proxy", OPT_NO_PROXY, 's',
341 "List of addresses of servers not to use HTTP(S) proxy for"},
342 {OPT_MORE_STR, 0, 0,
343 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
344 {"recipient", OPT_RECIPIENT, 's',
345 "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
346 {"msg_timeout", OPT_MSG_TIMEOUT, 'n',
347 "Timeout per CMP message round trip (or 0 for none). Default 120 seconds"},
348 {"total_timeout", OPT_TOTAL_TIMEOUT, 'n',
349 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
350
351 OPT_SECTION("Server authentication"),
352 {"trusted", OPT_TRUSTED, 's',
353 "Certificates to trust as chain roots when verifying signed CMP responses"},
354 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
355 {"untrusted", OPT_UNTRUSTED, 's',
356 "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
357 {"srvcert", OPT_SRVCERT, 's',
358 "Server cert to pin and trust directly when verifying signed CMP responses"},
359 {"expect_sender", OPT_EXPECT_SENDER, 's',
360 "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
361 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
362 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
363 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
364 "Accept missing or invalid protection of regular error messages and negative"},
365 {OPT_MORE_STR, 0, 0,
366 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
367 {OPT_MORE_STR, 0, 0,
368 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
369 {"extracertsout", OPT_EXTRACERTSOUT, 's',
370 "File to save extra certificates received in the extraCerts field"},
371 {"cacertsout", OPT_CACERTSOUT, 's',
372 "File to save CA certificates received in the caPubs field of 'ip' messages"},
373
374 OPT_SECTION("Client authentication"),
375 {"ref", OPT_REF, 's',
376 "Reference value to use as senderKID in case no -cert is given"},
377 {"secret", OPT_SECRET, 's',
378 "Prefer PBM (over signatures) for protecting msgs with given password source"},
379 {"cert", OPT_CERT, 's',
380 "Client's CMP signer certificate; its public key must match the -key argument"},
381 {OPT_MORE_STR, 0, 0,
382 "This also used as default reference for subject DN and SANs."},
383 {OPT_MORE_STR, 0, 0,
384 "Any further certs included are appended to the untrusted certs"},
385 {"own_trusted", OPT_OWN_TRUSTED, 's',
386 "Optional certs to verify chain building for own CMP signer cert"},
387 {"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
388 {"keypass", OPT_KEYPASS, 's',
389 "Client private key (and cert and old cert) pass phrase source"},
390 {"digest", OPT_DIGEST, 's',
391 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
392 {"mac", OPT_MAC, 's',
393 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
394 {"extracerts", OPT_EXTRACERTS, 's',
395 "Certificates to append in extraCerts field of outgoing messages."},
396 {OPT_MORE_STR, 0, 0,
397 "This can be used as the default CMP signer cert chain to include"},
398 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
399 "Send messages without CMP-level protection"},
400
401 OPT_SECTION("Credentials format"),
402 {"certform", OPT_CERTFORM, 's',
403 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
404 {"keyform", OPT_KEYFORM, 's',
405 "Format of the key input (ENGINE, other values ignored)"},
406 {"otherpass", OPT_OTHERPASS, 's',
407 "Pass phrase source potentially needed for loading certificates of others"},
408 #ifndef OPENSSL_NO_ENGINE
409 {"engine", OPT_ENGINE, 's',
410 "Use crypto engine with given identifier, possibly a hardware device."},
411 {OPT_MORE_STR, 0, 0,
412 "Engines may also be defined in OpenSSL config file engine section."},
413 #endif
414 OPT_PROV_OPTIONS,
415
416 OPT_SECTION("TLS connection"),
417 {"tls_used", OPT_TLS_USED, '-',
418 "Enable using TLS (also when other TLS options are not set)"},
419 {"tls_cert", OPT_TLS_CERT, 's',
420 "Client's TLS certificate. May include chain to be provided to TLS server"},
421 {"tls_key", OPT_TLS_KEY, 's',
422 "Private key for the client's TLS certificate"},
423 {"tls_keypass", OPT_TLS_KEYPASS, 's',
424 "Pass phrase source for the client's private TLS key (and TLS cert)"},
425 {"tls_extra", OPT_TLS_EXTRA, 's',
426 "Extra certificates to provide to TLS server during TLS handshake"},
427 {"tls_trusted", OPT_TLS_TRUSTED, 's',
428 "Trusted certificates to use for verifying the TLS server certificate;"},
429 {OPT_MORE_STR, 0, 0, "this implies host name validation"},
430 {"tls_host", OPT_TLS_HOST, 's',
431 "Address to be checked (rather than -server) during TLS host name validation"},
432
433 OPT_SECTION("Client-side debugging"),
434 {"batch", OPT_BATCH, '-',
435 "Do not interactively prompt for input when a password is required etc."},
436 {"repeat", OPT_REPEAT, 'n',
437 "Invoke the transaction the given number of times. Default 1"},
438 {"reqin", OPT_REQIN, 's', "Take sequence of CMP requests from file(s)"},
439 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
440 "Use fresh transactionID for CMP requests read from -reqin"},
441 {"reqout", OPT_REQOUT, 's', "Save sequence of CMP requests to file(s)"},
442 {"rspin", OPT_RSPIN, 's',
443 "Process sequence of CMP responses provided in file(s), skipping server"},
444 {"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
445
446 {"use_mock_srv", OPT_USE_MOCK_SRV, '-', "Use mock server at API level, bypassing HTTP"},
447
448 OPT_SECTION("Mock server"),
449 {"port", OPT_PORT, 's', "Act as HTTP mock server listening on given port"},
450 {"max_msgs", OPT_MAX_MSGS, 'n',
451 "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
452
453 {"srv_ref", OPT_SRV_REF, 's',
454 "Reference value to use as senderKID of server in case no -srv_cert is given"},
455 {"srv_secret", OPT_SRV_SECRET, 's',
456 "Password source for server authentication with a pre-shared key (secret)"},
457 {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
458 {"srv_key", OPT_SRV_KEY, 's',
459 "Private key used by the server for signing messages"},
460 {"srv_keypass", OPT_SRV_KEYPASS, 's',
461 "Server private key (and cert) pass phrase source"},
462
463 {"srv_trusted", OPT_SRV_TRUSTED, 's',
464 "Trusted certificates for client authentication"},
465 {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
466 "Intermediate certs that may be useful for verifying CMP protection"},
467 {"rsp_cert", OPT_RSP_CERT, 's',
468 "Certificate to be returned as mock enrollment result"},
469 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
470 "Extra certificates to be included in mock certification responses"},
471 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
472 "CA certificates to be included in mock ip response"},
473 {"poll_count", OPT_POLL_COUNT, 'n',
474 "Number of times the client must poll before receiving a certificate"},
475 {"check_after", OPT_CHECK_AFTER, 'n',
476 "The check_after value (time to wait) to include in poll response"},
477 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
478 "Grant implicit confirmation of newly enrolled certificate"},
479
480 {"pkistatus", OPT_PKISTATUS, 'n',
481 "PKIStatus to be included in server response. Possible values: 0..6"},
482 {"failure", OPT_FAILURE, 'n',
483 "A single failure info bit number to include in server response, 0..26"},
484 {"failurebits", OPT_FAILUREBITS, 'n',
485 "Number representing failure bits to include in server response, 0..2^27 - 1"},
486 {"statusstring", OPT_STATUSSTRING, 's',
487 "Status string to be included in server response"},
488 {"send_error", OPT_SEND_ERROR, '-',
489 "Force server to reply with error message"},
490 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
491 "Send response messages without CMP-level protection"},
492 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
493 "In case of negative responses, server shall send unprotected error messages,"},
494 {OPT_MORE_STR, 0, 0,
495 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
496 {OPT_MORE_STR, 0, 0,
497 "WARNING: This setting leads to behavior violating RFC 4210"},
498 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
499 "Accept missing or invalid protection of requests"},
500 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
501 "Accept unprotected error messages from client"},
502 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
503 "Accept RAVERIFIED as proof-of-possession (POPO)"},
504
505 OPT_V_OPTIONS,
506 {NULL}
507 };
508
509 typedef union {
510 char **txt;
511 int *num;
512 long *num_long;
513 } varref;
514 static varref cmp_vars[] = { /* must be in same order as enumerated above! */
515 {&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
516
517 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
518
519 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
520 {(char **)&opt_days}, {&opt_reqexts},
521 {&opt_sans}, {(char **)&opt_san_nodefault},
522 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
523 {(char **)&opt_popo}, {&opt_csr},
524 {&opt_out_trusted},
525 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
526 {&opt_certout}, {&opt_chainout},
527
528 {&opt_oldcert}, {(char **)&opt_revreason},
529
530 {&opt_server}, {&opt_path}, {&opt_proxy}, {&opt_no_proxy},
531 {&opt_recipient},
532 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
533
534 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
535 {&opt_expect_sender},
536 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
537 {&opt_extracertsout}, {&opt_cacertsout},
538
539 {&opt_ref}, {&opt_secret},
540 {&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
541 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
542 {(char **)&opt_unprotected_requests},
543
544 {&opt_certform_s}, {&opt_keyform_s},
545 {&opt_otherpass},
546 #ifndef OPENSSL_NO_ENGINE
547 {&opt_engine},
548 #endif
549
550 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
551 {&opt_tls_keypass},
552 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
553
554 {(char **)&opt_batch}, {(char **)&opt_repeat},
555 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
556 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
557
558 {(char **)&opt_use_mock_srv}, {&opt_port}, {(char **)&opt_max_msgs},
559 {&opt_srv_ref}, {&opt_srv_secret},
560 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
561 {&opt_srv_trusted}, {&opt_srv_untrusted},
562 {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
563 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
564 {(char **)&opt_grant_implicitconf},
565 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
566 {(char **)&opt_failurebits}, {&opt_statusstring},
567 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
568 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
569 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
570
571 {NULL}
572 };
573
574 #define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
575 ? "CMP" : OPENSSL_FUNC)
576 #define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
577 ((void)(level > opt_verbosity ? 0 : \
578 (BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
579 FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
580 #define CMP_DEBUG(m, a1, a2, a3) \
581 CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
582 #define CMP_debug(msg) CMP_DEBUG(msg"%s%s%s", "", "", "")
583 #define CMP_debug1(msg, a1) CMP_DEBUG(msg"%s%s", a1, "", "")
584 #define CMP_debug2(msg, a1, a2) CMP_DEBUG(msg"%s", a1, a2, "")
585 #define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg, a1, a2, a3)
586 #define CMP_INFO(msg, a1, a2, a3) \
587 CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
588 #define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
589 #define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
590 #define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
591 #define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
592 #define CMP_WARN(m, a1, a2, a3) \
593 CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
594 #define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
595 #define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
596 #define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
597 #define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
598 #define CMP_ERR(msg, a1, a2, a3) \
599 CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
600 #define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
601 #define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
602 #define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
603 #define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
604
605 static int print_to_bio_out(const char *func, const char *file, int line,
606 OSSL_CMP_severity level, const char *msg)
607 {
608 return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
609 }
610
611 static int set_verbosity(int level)
612 {
613 if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
614 CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
615 return 0;
616 }
617 opt_verbosity = level;
618 return 1;
619 }
620
621 static EVP_PKEY *load_key_pwd(const char *uri, int format,
622 const char *pass, ENGINE *eng, const char *desc)
623 {
624 char *pass_string = get_passwd(pass, desc);
625 EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
626
627 clear_free(pass_string);
628 return pkey;
629 }
630
631 static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
632 {
633 X509 *cert;
634 char *pass_string = get_passwd(pass, desc);
635
636 cert = load_cert_pass(uri, 0, pass_string, desc);
637 clear_free(pass_string);
638 return cert;
639 }
640
641 /*
642 * TODO potentially move this and related functions to apps/lib/
643 * or even better extend OSSL_STORE with type OSSL_STORE_INFO_CRL
644 */
645 static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
646 {
647 X509_REQ *csr;
648 BIO *bio_bak = bio_err;
649
650 bio_err = NULL; /* do not show errors on more than one try */
651 csr = load_csr(infile, FORMAT_PEM, desc);
652 bio_err = bio_bak;
653 if (csr == NULL) {
654 ERR_clear_error();
655 csr = load_csr(infile, FORMAT_ASN1, desc);
656 }
657 if (csr == NULL) {
658 ERR_print_errors(bio_err);
659 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
660 infile);
661 } else {
662 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
663 int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */);
664
665 if (pkey == NULL || ret < 0)
666 CMP_warn("error while verifying CSR self-signature");
667 else if (ret == 0)
668 CMP_warn("CSR self-signature does not match the contents");
669 }
670 return csr;
671 }
672
673 /* set expected host name/IP addr and clears the email addr in the given ts */
674 static int truststore_set_host_etc(X509_STORE *ts, char *host)
675 {
676 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
677
678 /* first clear any host names, IP, and email addresses */
679 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
680 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
681 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
682 return 0;
683 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
684 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
685 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
686 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
687 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
688 }
689
690 /* write OSSL_CMP_MSG DER-encoded to the specified file name item */
691 static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
692 {
693 char *file;
694
695 if (msg == NULL || filenames == NULL) {
696 CMP_err("NULL arg to write_PKIMESSAGE");
697 return 0;
698 }
699 if (*filenames == NULL) {
700 CMP_err("not enough file names provided for writing PKIMessage");
701 return 0;
702 }
703
704 file = *filenames;
705 *filenames = next_item(file);
706 if (OSSL_CMP_MSG_write(file, msg) < 0) {
707 CMP_err1("cannot write PKIMessage to file '%s'", file);
708 return 0;
709 }
710 return 1;
711 }
712
713 /* read DER-encoded OSSL_CMP_MSG from the specified file name item */
714 static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
715 {
716 char *file;
717 OSSL_CMP_MSG *ret;
718
719 if (filenames == NULL) {
720 CMP_err("NULL arg to read_PKIMESSAGE");
721 return NULL;
722 }
723 if (*filenames == NULL) {
724 CMP_err("not enough file names provided for reading PKIMessage");
725 return NULL;
726 }
727
728 file = *filenames;
729 *filenames = next_item(file);
730
731 ret = OSSL_CMP_MSG_read(file);
732 if (ret == NULL)
733 CMP_err1("cannot read PKIMessage from file '%s'", file);
734 return ret;
735 }
736
737 /*-
738 * Sends the PKIMessage req and on success place the response in *res
739 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
740 * to dump the sequence of requests and responses to files and/or
741 * to take the sequence of requests and responses from files.
742 */
743 static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
744 const OSSL_CMP_MSG *req)
745 {
746 OSSL_CMP_MSG *req_new = NULL;
747 OSSL_CMP_MSG *res = NULL;
748 OSSL_CMP_PKIHEADER *hdr;
749
750 if (req != NULL && opt_reqout != NULL
751 && !write_PKIMESSAGE(req, &opt_reqout))
752 goto err;
753 if (opt_reqin != NULL && opt_rspin == NULL) {
754 if ((req_new = read_PKIMESSAGE(&opt_reqin)) == NULL)
755 goto err;
756 /*-
757 * The transaction ID in req_new read from opt_reqin may not be fresh.
758 * In this case the server may complain "Transaction id already in use."
759 * The following workaround unfortunately requires re-protection.
760 */
761 if (opt_reqin_new_tid
762 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
763 goto err;
764 }
765
766 if (opt_rspin != NULL) {
767 res = read_PKIMESSAGE(&opt_rspin);
768 } else {
769 const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
770
771 res = opt_use_mock_srv
772 ? OSSL_CMP_CTX_server_perform(ctx, actual_req)
773 : OSSL_CMP_MSG_http_perform(ctx, actual_req);
774 }
775 if (res == NULL)
776 goto err;
777
778 if (opt_reqin != NULL || opt_rspin != NULL) {
779 /* need to satisfy nonce and transactionID checks */
780 ASN1_OCTET_STRING *nonce;
781 ASN1_OCTET_STRING *tid;
782
783 hdr = OSSL_CMP_MSG_get0_header(res);
784 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
785 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
786 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
787 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
788 OSSL_CMP_MSG_free(res);
789 res = NULL;
790 goto err;
791 }
792 }
793
794 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
795 OSSL_CMP_MSG_free(res);
796 res = NULL;
797 }
798
799 err:
800 OSSL_CMP_MSG_free(req_new);
801 return res;
802 }
803
804 static int set_name(const char *str,
805 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
806 OSSL_CMP_CTX *ctx, const char *desc)
807 {
808 if (str != NULL) {
809 X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
810
811 if (n == NULL)
812 return 0;
813 if (!(*set_fn) (ctx, n)) {
814 X509_NAME_free(n);
815 CMP_err("out of memory");
816 return 0;
817 }
818 X509_NAME_free(n);
819 }
820 return 1;
821 }
822
823 static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
824 {
825 char *next;
826
827 for (; names != NULL; names = next) {
828 GENERAL_NAME *n;
829
830 next = next_item(names);
831 if (strcmp(names, "critical") == 0) {
832 (void)OSSL_CMP_CTX_set_option(ctx,
833 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
834 1);
835 continue;
836 }
837
838 /* try IP address first, then URI or domain name */
839 (void)ERR_set_mark();
840 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
841 if (n == NULL)
842 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
843 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
844 names, 0);
845 (void)ERR_pop_to_mark();
846
847 if (n == NULL) {
848 CMP_err2("bad syntax of %s '%s'", desc, names);
849 return 0;
850 }
851 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
852 GENERAL_NAME_free(n);
853 CMP_err("out of memory");
854 return 0;
855 }
856 GENERAL_NAME_free(n);
857 }
858 return 1;
859 }
860
861 static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
862 {
863 X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
864
865 if (ts == NULL)
866 return NULL;
867 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
868
869 /* copy vpm to store */
870 if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
871 && (for_new_cert || truststore_set_host_etc(ts, NULL)))
872 return ts;
873 BIO_printf(bio_err, "error setting verification parameters\n");
874 OSSL_CMP_CTX_print_errors(cmp_ctx);
875 X509_STORE_free(ts);
876 return NULL;
877 }
878
879 typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
880
881 static int setup_certs(char *files, const char *desc, void *ctx,
882 add_X509_stack_fn_t set1_fn)
883 {
884 STACK_OF(X509) *certs;
885 int ok;
886
887 if (files == NULL)
888 return 1;
889 if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL)
890 return 0;
891 ok = (*set1_fn)(ctx, certs);
892 sk_X509_pop_free(certs, X509_free);
893 return ok;
894 }
895
896
897 /*
898 * parse and transform some options, checking their syntax.
899 * Returns 1 on success, 0 on error
900 */
901 static int transform_opts(void)
902 {
903 if (opt_cmd_s != NULL) {
904 if (!strcmp(opt_cmd_s, "ir")) {
905 opt_cmd = CMP_IR;
906 } else if (!strcmp(opt_cmd_s, "kur")) {
907 opt_cmd = CMP_KUR;
908 } else if (!strcmp(opt_cmd_s, "cr")) {
909 opt_cmd = CMP_CR;
910 } else if (!strcmp(opt_cmd_s, "p10cr")) {
911 opt_cmd = CMP_P10CR;
912 } else if (!strcmp(opt_cmd_s, "rr")) {
913 opt_cmd = CMP_RR;
914 } else if (!strcmp(opt_cmd_s, "genm")) {
915 opt_cmd = CMP_GENM;
916 } else {
917 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
918 return 0;
919 }
920 } else {
921 CMP_err("no cmp command to execute");
922 return 0;
923 }
924
925 #ifndef OPENSSL_NO_ENGINE
926 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
927 #else
928 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
929 #endif
930
931 if (opt_keyform_s != NULL
932 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
933 CMP_err("unknown option given for key loading format");
934 return 0;
935 }
936
937 #undef FORMAT_OPTIONS
938
939 if (opt_certform_s != NULL
940 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
941 CMP_err("unknown option given for certificate storing format");
942 return 0;
943 }
944
945 return 1;
946 }
947
948 static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
949 {
950 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
951 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new(app_get0_libctx(),
952 app_get0_propq());
953
954 if (srv_ctx == NULL)
955 return NULL;
956 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
957
958 if (opt_srv_ref == NULL) {
959 if (opt_srv_cert == NULL) {
960 /* opt_srv_cert should determine the sender */
961 CMP_err("must give -srv_ref for server if no -srv_cert given");
962 goto err;
963 }
964 } else {
965 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
966 strlen(opt_srv_ref)))
967 goto err;
968 }
969
970 if (opt_srv_secret != NULL) {
971 int res;
972 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of server");
973
974 if (pass_str != NULL) {
975 cleanse(opt_srv_secret);
976 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
977 strlen(pass_str));
978 clear_free(pass_str);
979 if (res == 0)
980 goto err;
981 }
982 } else if (opt_srv_cert == NULL) {
983 CMP_err("server credentials must be given if -use_mock_srv or -port is used");
984 goto err;
985 } else {
986 CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
987 }
988
989 if (opt_srv_secret == NULL
990 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
991 CMP_err("must give both -srv_cert and -srv_key options or neither");
992 goto err;
993 }
994 if (opt_srv_cert != NULL) {
995 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
996 "certificate of the server");
997
998 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
999 X509_free(srv_cert);
1000 goto err;
1001 }
1002 X509_free(srv_cert);
1003 }
1004 if (opt_srv_key != NULL) {
1005 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1006 opt_srv_keypass,
1007 engine, "private key for server cert");
1008
1009 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1010 EVP_PKEY_free(pkey);
1011 goto err;
1012 }
1013 EVP_PKEY_free(pkey);
1014 }
1015 cleanse(opt_srv_keypass);
1016
1017 if (opt_srv_trusted != NULL) {
1018 X509_STORE *ts =
1019 load_trusted(opt_srv_trusted, 0, "certs trusted by server");
1020
1021 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1022 X509_STORE_free(ts);
1023 goto err;
1024 }
1025 } else {
1026 CMP_warn("server will not be able to handle signature-protected requests since -srv_trusted is not given");
1027 }
1028 if (!setup_certs(opt_srv_untrusted,
1029 "untrusted certificates for mock server", ctx,
1030 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1031 goto err;
1032
1033 if (opt_rsp_cert == NULL) {
1034 CMP_err("must give -rsp_cert for mock server");
1035 goto err;
1036 } else {
1037 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1038 "cert to be returned by the mock server");
1039
1040 if (cert == NULL)
1041 goto err;
1042 /* from server perspective the server is the client */
1043 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1044 X509_free(cert);
1045 goto err;
1046 }
1047 X509_free(cert);
1048 }
1049 /* TODO find a cleaner solution not requiring type casts */
1050 if (!setup_certs(opt_rsp_extracerts,
1051 "CMP extra certificates for mock server", srv_ctx,
1052 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut))
1053 goto err;
1054 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1055 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut))
1056 goto err;
1057 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1058 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1059 if (opt_grant_implicitconf)
1060 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1061
1062 if (opt_failure != INT_MIN) { /* option has been set explicity */
1063 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1064 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1065 OSSL_CMP_PKIFAILUREINFO_MAX);
1066 goto err;
1067 }
1068 if (opt_failurebits != 0)
1069 CMP_warn("-failurebits overrides -failure");
1070 else
1071 opt_failurebits = 1 << opt_failure;
1072 }
1073 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1074 CMP_err("-failurebits out of range");
1075 goto err;
1076 }
1077 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1078 opt_failurebits, opt_statusstring))
1079 goto err;
1080
1081 if (opt_send_error)
1082 (void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
1083
1084 if (opt_send_unprotected)
1085 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1086 if (opt_send_unprot_err)
1087 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1088 if (opt_accept_unprotected)
1089 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1090 if (opt_accept_unprot_err)
1091 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1092 if (opt_accept_raverified)
1093 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1094
1095 return srv_ctx;
1096
1097 err:
1098 ossl_cmp_mock_srv_free(srv_ctx);
1099 return NULL;
1100 }
1101
1102 /*
1103 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1104 * Returns pointer on success, NULL on error
1105 */
1106 static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1107 {
1108 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1109 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1110 return 0;
1111
1112 if (opt_srvcert != NULL || opt_trusted != NULL) {
1113 X509 *srvcert;
1114 X509_STORE *ts;
1115 int ok;
1116
1117 if (opt_srvcert != NULL) {
1118 if (opt_trusted != NULL) {
1119 CMP_warn("-trusted option is ignored since -srvcert option is present");
1120 opt_trusted = NULL;
1121 }
1122 if (opt_recipient != NULL) {
1123 CMP_warn("-recipient option is ignored since -srvcert option is present");
1124 opt_recipient = NULL;
1125 }
1126 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1127 "directly trusted CMP server certificate");
1128 ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert);
1129 X509_free(srvcert);
1130 if (!ok)
1131 return 0;
1132 }
1133 if (opt_trusted != NULL) {
1134 /*
1135 * the 0 arg below clears any expected host/ip/email address;
1136 * opt_expect_sender is used instead
1137 */
1138 ts = load_trusted(opt_trusted, 0, "certs trusted by client");
1139
1140 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1141 X509_STORE_free(ts);
1142 return 0;
1143 }
1144 }
1145 }
1146
1147 if (opt_ignore_keyusage)
1148 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1149
1150 if (opt_unprotected_errors)
1151 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1152
1153 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1154 X509_VERIFY_PARAM *out_vpm = NULL;
1155 X509_STORE *out_trusted =
1156 load_trusted(opt_out_trusted, 1,
1157 "trusted certs for verifying newly enrolled cert");
1158
1159 if (out_trusted == NULL)
1160 return 0;
1161 /* ignore any -attime here, new certs are current anyway */
1162 out_vpm = X509_STORE_get0_param(out_trusted);
1163 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1164
1165 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1166 }
1167
1168 if (opt_disable_confirm)
1169 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1170
1171 if (opt_implicit_confirm)
1172 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1173
1174 return 1;
1175 }
1176
1177 #ifndef OPENSSL_NO_SOCK
1178 /*
1179 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1180 * Returns pointer on success, NULL on error
1181 */
1182 static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1183 {
1184 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(ctx);
1185 EVP_PKEY *pkey = NULL;
1186 X509_STORE *trust_store = NULL;
1187 SSL_CTX *ssl_ctx;
1188 int i;
1189
1190 ssl_ctx = SSL_CTX_new(TLS_client_method());
1191 if (ssl_ctx == NULL)
1192 return NULL;
1193
1194 if (opt_tls_trusted != NULL) {
1195 trust_store = load_certstore(opt_tls_trusted, opt_otherpass,
1196 "trusted TLS certificates", vpm);
1197 if (trust_store == NULL)
1198 goto err;
1199 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1200 /* for improved diagnostics on SSL_CTX_build_cert_chain() errors: */
1201 X509_STORE_set_verify_cb(trust_store, X509_STORE_CTX_print_verify_cb);
1202 }
1203
1204 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1205 X509 *cert;
1206 STACK_OF(X509) *certs = NULL;
1207 int ok;
1208
1209 if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass,
1210 "TLS client certificate (optionally with chain)",
1211 vpm))
1212 /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */
1213 goto err;
1214
1215 ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0;
1216 X509_free(cert);
1217
1218 /*
1219 * Any further certs and any untrusted certs are used for constructing
1220 * the chain to be provided with the TLS client cert to the TLS server.
1221 */
1222 if (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) {
1223 CMP_err1("unable to use client TLS certificate file '%s'",
1224 opt_tls_cert);
1225 sk_X509_pop_free(certs, X509_free);
1226 goto err;
1227 }
1228 for (i = 0; i < sk_X509_num(untrusted); i++) {
1229 cert = sk_X509_value(untrusted, i);
1230 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1231 CMP_err("could not add untrusted cert to TLS client cert chain");
1232 goto err;
1233 }
1234 }
1235
1236 {
1237 X509_VERIFY_PARAM *tls_vpm = NULL;
1238 unsigned long bak_flags = 0; /* compiler warns without init */
1239
1240 if (trust_store != NULL) {
1241 tls_vpm = X509_STORE_get0_param(trust_store);
1242 bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm);
1243 /* disable any cert status/revocation checking etc. */
1244 X509_VERIFY_PARAM_clear_flags(tls_vpm,
1245 ~(X509_V_FLAG_USE_CHECK_TIME
1246 | X509_V_FLAG_NO_CHECK_TIME));
1247 }
1248 CMP_debug("trying to build cert chain for own TLS cert");
1249 if (SSL_CTX_build_cert_chain(ssl_ctx,
1250 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1251 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1252 CMP_debug("success building cert chain for own TLS cert");
1253 } else {
1254 OSSL_CMP_CTX_print_errors(ctx);
1255 CMP_warn("could not build cert chain for own TLS cert");
1256 }
1257 if (trust_store != NULL)
1258 X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags);
1259 }
1260
1261 /* If present we append to the list also the certs from opt_tls_extra */
1262 if (opt_tls_extra != NULL) {
1263 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1264 opt_otherpass,
1265 "extra certificates for TLS",
1266 vpm);
1267 int res = 1;
1268
1269 if (tls_extra == NULL)
1270 goto err;
1271 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1272 cert = sk_X509_value(tls_extra, i);
1273 if (res != 0)
1274 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1275 if (res == 0)
1276 X509_free(cert);
1277 }
1278 sk_X509_free(tls_extra);
1279 if (res == 0) {
1280 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1281 goto err;
1282 }
1283 }
1284
1285 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1286 engine, "TLS client private key");
1287 cleanse(opt_tls_keypass);
1288 if (pkey == NULL)
1289 goto err;
1290 /*
1291 * verify the key matches the cert,
1292 * not using SSL_CTX_check_private_key(ssl_ctx)
1293 * because it gives poor and sometimes misleading diagnostics
1294 */
1295 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1296 pkey)) {
1297 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1298 opt_tls_key, opt_tls_cert);
1299 EVP_PKEY_free(pkey);
1300 pkey = NULL; /* otherwise, for some reason double free! */
1301 goto err;
1302 }
1303 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1304 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1305 EVP_PKEY_free(pkey);
1306 pkey = NULL; /* otherwise, for some reason double free! */
1307 goto err;
1308 }
1309 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1310 }
1311 if (opt_tls_trusted != NULL) {
1312 /* enable and parameterize server hostname/IP address check */
1313 if (!truststore_set_host_etc(trust_store,
1314 opt_tls_host != NULL ?
1315 opt_tls_host : opt_server))
1316 /* TODO: is the server host name correct for TLS via proxy? */
1317 goto err;
1318 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1319 }
1320 return ssl_ctx;
1321 err:
1322 SSL_CTX_free(ssl_ctx);
1323 return NULL;
1324 }
1325 #endif
1326
1327 /*
1328 * set up protection aspects of OSSL_CMP_CTX based on options from config
1329 * file/CLI while parsing options and checking their consistency.
1330 * Returns 1 on success, 0 on error
1331 */
1332 static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1333 {
1334 if (!opt_unprotected_requests && opt_secret == NULL && opt_key == NULL) {
1335 CMP_err("must give -key or -secret unless -unprotected_requests is used");
1336 return 0;
1337 }
1338
1339 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1340 /* cert or subject should determine the sender */
1341 CMP_err("must give -ref if no -cert and no -subject given");
1342 return 0;
1343 }
1344 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1345 CMP_err("must give both -cert and -key options or neither");
1346 return 0;
1347 }
1348 if (opt_secret != NULL) {
1349 char *pass_string = get_passwd(opt_secret, "PBMAC");
1350 int res;
1351
1352 if (pass_string != NULL) {
1353 cleanse(opt_secret);
1354 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1355 (unsigned char *)pass_string,
1356 strlen(pass_string));
1357 clear_free(pass_string);
1358 if (res == 0)
1359 return 0;
1360 }
1361 if (opt_cert != NULL || opt_key != NULL)
1362 CMP_warn("-cert and -key not used for protection since -secret is given");
1363 }
1364 if (opt_ref != NULL
1365 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1366 strlen(opt_ref)))
1367 return 0;
1368
1369 if (opt_key != NULL) {
1370 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1371 "private key for CMP client certificate");
1372
1373 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1374 EVP_PKEY_free(pkey);
1375 return 0;
1376 }
1377 EVP_PKEY_free(pkey);
1378 }
1379 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL)
1380 CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert");
1381
1382 if (opt_cert != NULL) {
1383 X509 *cert;
1384 STACK_OF(X509) *certs = NULL;
1385 X509_STORE *own_trusted = NULL;
1386 int ok;
1387
1388 if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass,
1389 "CMP client certificate (optionally with chain)",
1390 vpm))
1391 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1392 return 0;
1393 ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1394 X509_free(cert);
1395 if (!ok) {
1396 CMP_err("out of memory");
1397 } else {
1398 if (opt_own_trusted != NULL) {
1399 own_trusted = load_trusted(opt_own_trusted, 0,
1400 "trusted certs for verifying own CMP signer cert");
1401 ok = own_trusted != NULL;
1402 }
1403 ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs);
1404 }
1405 X509_STORE_free(own_trusted);
1406 sk_X509_pop_free(certs, X509_free);
1407 if (!ok)
1408 return 0;
1409 } else if (opt_own_trusted != NULL) {
1410 CMP_warn("-own_trusted option is ignored without -cert");
1411 }
1412
1413 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1414 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut))
1415 return 0;
1416 cleanse(opt_otherpass);
1417
1418 if (opt_unprotected_requests)
1419 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1420
1421 if (opt_digest != NULL) {
1422 int digest = OBJ_ln2nid(opt_digest);
1423
1424 if (digest == NID_undef) {
1425 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1426 return 0;
1427 }
1428 if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest)
1429 || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) {
1430 CMP_err1("digest algorithm name not supported: '%s'", opt_digest);
1431 return 0;
1432 }
1433 }
1434
1435 if (opt_mac != NULL) {
1436 int mac = OBJ_ln2nid(opt_mac);
1437 if (mac == NID_undef) {
1438 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1439 return 0;
1440 }
1441 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1442 }
1443 return 1;
1444 }
1445
1446 /*
1447 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1448 * based on options from config file/CLI.
1449 * Returns pointer on success, NULL on error
1450 */
1451 static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1452 {
1453 X509_REQ *csr = NULL;
1454 X509_EXTENSIONS *exts = NULL;
1455 X509V3_CTX ext_ctx;
1456
1457 if (opt_subject == NULL
1458 && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL
1459 && opt_cmd != CMP_RR && opt_cmd != CMP_GENM)
1460 CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback");
1461
1462 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
1463 if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
1464 CMP_err("missing -newkey (or -key) to be certified and no -csr given");
1465 return 0;
1466 }
1467 if (opt_certout == NULL) {
1468 CMP_err("-certout not given, nowhere to save newly enrolled certificate");
1469 return 0;
1470 }
1471 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1472 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1473 return 0;
1474 } else {
1475 const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'";
1476
1477 if (opt_subject != NULL) {
1478 if (opt_ref == NULL && opt_cert == NULL) {
1479 /* use subject as default sender unless oldcert subject is used */
1480 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject"))
1481 return 0;
1482 } else {
1483 CMP_warn1("-subject %s since -ref or -cert is given", msg);
1484 }
1485 }
1486 if (opt_issuer != NULL)
1487 CMP_warn1("-issuer %s", msg);
1488 if (opt_reqexts != NULL)
1489 CMP_warn1("-reqexts %s", msg);
1490 if (opt_san_nodefault)
1491 CMP_warn1("-san_nodefault %s", msg);
1492 if (opt_sans != NULL)
1493 CMP_warn1("-sans %s", msg);
1494 if (opt_policies != NULL)
1495 CMP_warn1("-policies %s", msg);
1496 if (opt_policy_oids != NULL)
1497 CMP_warn1("-policy_oids %s", msg);
1498 }
1499 if (opt_cmd == CMP_KUR) {
1500 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
1501
1502 if (ref_cert == NULL && opt_csr == NULL) {
1503 CMP_err("missing -oldcert for certificate to be updated and no -csr given");
1504 return 0;
1505 }
1506 if (opt_subject != NULL)
1507 CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR",
1508 opt_subject, ref_cert != NULL ? ref_cert : opt_csr);
1509 }
1510 if (opt_cmd == CMP_RR) {
1511 if (opt_oldcert == NULL && opt_csr == NULL) {
1512 CMP_err("missing -oldcert for certificate to be revoked and no -csr given");
1513 return 0;
1514 }
1515 if (opt_oldcert != NULL && opt_csr != NULL)
1516 CMP_warn("ignoring -csr since certificate to be revoked is given");
1517 }
1518 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
1519 CMP_err("missing PKCS#10 CSR for p10cr");
1520 return 0;
1521 }
1522
1523 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
1524 && opt_oldcert == NULL && opt_cert == NULL)
1525 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
1526
1527 if (opt_cmd == CMP_P10CR || opt_cmd == CMP_RR) {
1528 const char *msg = "option is ignored for 'p10cr' and 'rr' commands";
1529
1530 if (opt_newkeypass != NULL)
1531 CMP_warn1("-newkeytype %s", msg);
1532 if (opt_newkey != NULL)
1533 CMP_warn1("-newkey %s", msg);
1534 if (opt_days != 0)
1535 CMP_warn1("-days %s", msg);
1536 if (opt_popo != OSSL_CRMF_POPO_NONE - 1)
1537 CMP_warn1("-popo %s", msg);
1538 } else if (opt_newkey != NULL) {
1539 const char *file = opt_newkey;
1540 const int format = opt_keyform;
1541 const char *pass = opt_newkeypass;
1542 const char *desc = "new private key for cert to be enrolled";
1543 EVP_PKEY *pkey;
1544 int priv = 1;
1545 BIO *bio_bak = bio_err;
1546
1547 bio_err = NULL; /* suppress diagnostics on first try loading key */
1548 pkey = load_key_pwd(file, format, pass, engine, desc);
1549 bio_err = bio_bak;
1550 if (pkey == NULL) {
1551 ERR_clear_error();
1552 desc = opt_csr == NULL
1553 ? "fallback public key for cert to be enrolled"
1554 : "public key for checking cert resulting from p10cr";
1555 pkey = load_pubkey(file, format, 0, pass, engine, desc);
1556 priv = 0;
1557 }
1558 cleanse(opt_newkeypass);
1559 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1560 EVP_PKEY_free(pkey);
1561 return 0;
1562 }
1563 }
1564
1565 if (opt_days > 0
1566 && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1567 opt_days)) {
1568 CMP_err("could not set requested cert validity period");
1569 return 0;
1570 }
1571
1572 if (opt_policies != NULL && opt_policy_oids != NULL) {
1573 CMP_err("cannot have policies both via -policies and via -policy_oids");
1574 return 0;
1575 }
1576
1577 if (opt_csr != NULL) {
1578 if (opt_cmd == CMP_GENM) {
1579 CMP_warn("-csr option is ignored for command 'genm'");
1580 } else {
1581 csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR");
1582 if (csr == NULL)
1583 return 0;
1584 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr)) {
1585 X509_REQ_free(csr);
1586 goto oom;
1587 }
1588 }
1589 }
1590 if (opt_reqexts != NULL || opt_policies != NULL) {
1591 if ((exts = sk_X509_EXTENSION_new_null()) == NULL)
1592 goto exts_err;
1593 X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE);
1594 X509V3_set_nconf(&ext_ctx, conf);
1595 if (opt_reqexts != NULL
1596 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1597 CMP_err1("cannot load certificate request extension section '%s'",
1598 opt_reqexts);
1599 goto exts_err;
1600 }
1601 if (opt_policies != NULL
1602 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1603 CMP_err1("cannot load policy cert request extension section '%s'",
1604 opt_policies);
1605 goto exts_err;
1606 }
1607 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1608 exts = NULL;
1609 }
1610 X509_REQ_free(csr);
1611 csr = NULL;
1612 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1613 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1614 return 0;
1615 }
1616
1617 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1618 return 0;
1619
1620 if (opt_san_nodefault) {
1621 if (opt_sans != NULL)
1622 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1623 (void)OSSL_CMP_CTX_set_option(ctx,
1624 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1625 }
1626
1627 if (opt_policy_oids_critical) {
1628 if (opt_policy_oids == NULL)
1629 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1630 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1631 }
1632
1633 while (opt_policy_oids != NULL) {
1634 ASN1_OBJECT *policy;
1635 POLICYINFO *pinfo;
1636 char *next = next_item(opt_policy_oids);
1637
1638 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1639 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1640 return 0;
1641 }
1642
1643 if ((pinfo = POLICYINFO_new()) == NULL) {
1644 ASN1_OBJECT_free(policy);
1645 return 0;
1646 }
1647 pinfo->policyid = policy;
1648
1649 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1650 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1651 POLICYINFO_free(pinfo);
1652 return 0;
1653 }
1654 opt_policy_oids = next;
1655 }
1656
1657 if (opt_popo >= OSSL_CRMF_POPO_NONE)
1658 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1659
1660 if (opt_oldcert != NULL) {
1661 if (opt_cmd == CMP_GENM) {
1662 CMP_warn("-oldcert option is ignored for command 'genm'");
1663 } else {
1664 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1665 opt_cmd == CMP_KUR ?
1666 "certificate to be updated" :
1667 opt_cmd == CMP_RR ?
1668 "certificate to be revoked" :
1669 "reference certificate (oldcert)");
1670 /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */
1671
1672 if (oldcert == NULL)
1673 return 0;
1674 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1675 X509_free(oldcert);
1676 goto oom;
1677 }
1678 X509_free(oldcert);
1679 }
1680 }
1681 cleanse(opt_keypass);
1682 if (opt_revreason > CRL_REASON_NONE)
1683 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1684 opt_revreason);
1685
1686 return 1;
1687
1688 oom:
1689 CMP_err("out of memory");
1690 exts_err:
1691 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1692 X509_REQ_free(csr);
1693 return 0;
1694 }
1695
1696 static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1697 {
1698 long value;
1699 ASN1_OBJECT *type;
1700 ASN1_INTEGER *aint;
1701 ASN1_TYPE *val;
1702 OSSL_CMP_ITAV *itav;
1703 char *endstr;
1704 char *valptr = strchr(opt_geninfo, ':');
1705
1706 if (valptr == NULL) {
1707 CMP_err("missing ':' in -geninfo option");
1708 return 0;
1709 }
1710 valptr[0] = '\0';
1711 valptr++;
1712
1713 if (strncasecmp(valptr, "int:", 4) != 0) {
1714 CMP_err("missing 'int:' in -geninfo option");
1715 return 0;
1716 }
1717 valptr += 4;
1718
1719 value = strtol(valptr, &endstr, 10);
1720 if (endstr == valptr || *endstr != '\0') {
1721 CMP_err("cannot parse int in -geninfo option");
1722 return 0;
1723 }
1724
1725 type = OBJ_txt2obj(opt_geninfo, 1);
1726 if (type == NULL) {
1727 CMP_err("cannot parse OID in -geninfo option");
1728 return 0;
1729 }
1730
1731 if ((aint = ASN1_INTEGER_new()) == NULL)
1732 goto oom;
1733
1734 val = ASN1_TYPE_new();
1735 if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
1736 ASN1_INTEGER_free(aint);
1737 goto oom;
1738 }
1739 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
1740 itav = OSSL_CMP_ITAV_create(type, val);
1741 if (itav == NULL) {
1742 ASN1_TYPE_free(val);
1743 goto oom;
1744 }
1745
1746 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
1747 OSSL_CMP_ITAV_free(itav);
1748 return 0;
1749 }
1750 return 1;
1751
1752 oom:
1753 ASN1_OBJECT_free(type);
1754 CMP_err("out of memory");
1755 return 0;
1756 }
1757
1758
1759 /*
1760 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
1761 * while parsing options and checking their consistency.
1762 * Prints reason for error to bio_err.
1763 * Returns 1 on success, 0 on error
1764 */
1765 static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1766 {
1767 int ret = 0;
1768 char *server = NULL, *port = NULL, *path = NULL, *used_path;
1769 int portnum, ssl;
1770 char server_buf[200] = { '\0' };
1771 char proxy_buf[200] = { '\0' };
1772 char *proxy_host = NULL;
1773 char *proxy_port_str = NULL;
1774
1775 if (opt_server == NULL) {
1776 CMP_err("missing -server option");
1777 goto err;
1778 }
1779 if (!OSSL_HTTP_parse_url(opt_server, &ssl, NULL /* user */, &server, &port,
1780 &portnum, &path, NULL /* q */, NULL /* frag */)) {
1781 CMP_err1("cannot parse -server URL: %s", opt_server);
1782 goto err;
1783 }
1784 if (ssl && !opt_tls_used) {
1785 CMP_err("missing -tls_used option since -server URL indicates https");
1786 goto err;
1787 }
1788 BIO_snprintf(server_port, sizeof(server_port), "%s", port);
1789 used_path = opt_path != NULL ? opt_path : path;
1790 if (!OSSL_CMP_CTX_set1_server(ctx, server)
1791 || !OSSL_CMP_CTX_set_serverPort(ctx, portnum)
1792 || !OSSL_CMP_CTX_set1_serverPath(ctx, used_path))
1793 goto oom;
1794 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
1795 goto oom;
1796 if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
1797 goto oom;
1798 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s:%s/%s",
1799 opt_tls_used ? "s" : "", server, port,
1800 *used_path == '/' ? used_path + 1 : used_path);
1801
1802 if (opt_proxy != NULL)
1803 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", opt_proxy);
1804
1805 if (!transform_opts())
1806 goto err;
1807
1808 if (opt_infotype_s != NULL) {
1809 char id_buf[100] = "id-it-";
1810
1811 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
1812 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
1813 CMP_err("unknown OID name in -infotype option");
1814 goto err;
1815 }
1816 }
1817
1818 if (!setup_verification_ctx(ctx))
1819 goto err;
1820
1821 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
1822 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
1823 opt_msg_timeout);
1824 if (opt_total_timeout >= 0)
1825 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
1826 opt_total_timeout);
1827
1828 if (opt_reqin != NULL && opt_rspin != NULL)
1829 CMP_warn("-reqin is ignored since -rspin is present");
1830 if (opt_reqin_new_tid && opt_reqin == NULL)
1831 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
1832 if (opt_reqin != NULL || opt_reqout != NULL
1833 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
1834 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
1835
1836 if ((opt_tls_cert != NULL || opt_tls_key != NULL
1837 || opt_tls_keypass != NULL || opt_tls_extra != NULL
1838 || opt_tls_trusted != NULL || opt_tls_host != NULL)
1839 && !opt_tls_used)
1840 CMP_warn("TLS options(s) given but not -tls_used");
1841 if (opt_tls_used) {
1842 #ifdef OPENSSL_NO_SOCK
1843 BIO_printf(bio_err, "Cannot use TLS - sockets not supported\n");
1844 goto err;
1845 #else
1846 APP_HTTP_TLS_INFO *info;
1847
1848 if (opt_tls_cert != NULL
1849 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
1850 if (opt_tls_key == NULL) {
1851 CMP_err("missing -tls_key option");
1852 goto err;
1853 } else if (opt_tls_cert == NULL) {
1854 CMP_err("missing -tls_cert option");
1855 goto err;
1856 }
1857 }
1858 if (opt_use_mock_srv) {
1859 CMP_err("cannot use TLS options together with -use_mock_srv");
1860 goto err;
1861 }
1862 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
1863 goto err;
1864 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
1865 /* info will be freed along with CMP ctx */
1866 info->server = opt_server;
1867 info->port = server_port;
1868 info->use_proxy = opt_proxy != NULL;
1869 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
1870 info->ssl_ctx = setup_ssl_ctx(ctx, engine);
1871 if (info->ssl_ctx == NULL)
1872 goto err;
1873 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
1874 #endif
1875 }
1876
1877 if (!setup_protection_ctx(ctx, engine))
1878 goto err;
1879
1880 if (!setup_request_ctx(ctx, engine))
1881 goto err;
1882
1883 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
1884 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
1885 ctx, "expected sender"))
1886 goto err;
1887
1888 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
1889 goto err;
1890
1891 /* not printing earlier, to minimize confusion in case setup fails before */
1892 CMP_info2("will contact %s%s", server_buf, proxy_buf);
1893
1894 ret = 1;
1895
1896 err:
1897 OPENSSL_free(server);
1898 OPENSSL_free(port);
1899 OPENSSL_free(path);
1900 OPENSSL_free(proxy_host);
1901 OPENSSL_free(proxy_port_str);
1902 return ret;
1903 oom:
1904 CMP_err("out of memory");
1905 goto err;
1906 }
1907
1908 /*
1909 * write out the given certificate to the output specified by bio.
1910 * Depending on options use either PEM or DER format.
1911 * Returns 1 on success, 0 on error
1912 */
1913 static int write_cert(BIO *bio, X509 *cert)
1914 {
1915 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
1916 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
1917 return 1;
1918 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
1919 BIO_printf(bio_err,
1920 "error: unsupported type '%s' for writing certificates\n",
1921 opt_certform_s);
1922 return 0;
1923 }
1924
1925 /*
1926 * If destFile != NULL writes out a stack of certs to the given file.
1927 * In any case frees the certs.
1928 * Depending on options use either PEM or DER format,
1929 * where DER does not make much sense for writing more than one cert!
1930 * Returns number of written certificates on success, -1 on error.
1931 */
1932 static int save_free_certs(OSSL_CMP_CTX *ctx,
1933 STACK_OF(X509) *certs, char *destFile, char *desc)
1934 {
1935 BIO *bio = NULL;
1936 int i;
1937 int n = sk_X509_num(certs);
1938
1939 if (destFile == NULL)
1940 goto end;
1941 CMP_info3("received %d %s certificate(s), saving to file '%s'",
1942 n, desc, destFile);
1943 if (n > 1 && opt_certform != FORMAT_PEM)
1944 CMP_warn("saving more than one certificate in non-PEM format");
1945
1946 if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
1947 || !BIO_write_filename(bio, (char *)destFile)) {
1948 CMP_err1("could not open file '%s' for writing", destFile);
1949 n = -1;
1950 goto end;
1951 }
1952
1953 for (i = 0; i < n; i++) {
1954 if (!write_cert(bio, sk_X509_value(certs, i))) {
1955 CMP_err1("cannot write certificate to file '%s'", destFile);
1956 n = -1;
1957 goto end;
1958 }
1959 }
1960
1961 end:
1962 BIO_free(bio);
1963 sk_X509_pop_free(certs, X509_free);
1964 return n;
1965 }
1966
1967 static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
1968 {
1969 OSSL_CMP_ITAV *itav = NULL;
1970 char buf[128];
1971 int i, r;
1972 int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
1973
1974 if (n == 0) {
1975 CMP_info("genp contains no ITAV");
1976 return;
1977 }
1978
1979 for (i = 0; i < n; i++) {
1980 itav = sk_OSSL_CMP_ITAV_value(itavs, i);
1981 r = OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
1982 if (r < 0)
1983 CMP_err("could not get ITAV details");
1984 else if (r == 0)
1985 CMP_info("genp contains empty ITAV");
1986 else
1987 CMP_info1("genp contains ITAV of type: %s", buf);
1988 }
1989 }
1990
1991 static char opt_item[SECTION_NAME_MAX + 1];
1992 /* get previous name from a comma-separated list of names */
1993 static const char *prev_item(const char *opt, const char *end)
1994 {
1995 const char *beg;
1996 size_t len;
1997
1998 if (end == opt)
1999 return NULL;
2000 beg = end;
2001 while (beg != opt && beg[-1] != ',' && !isspace(beg[-1]))
2002 beg--;
2003 len = end - beg;
2004 if (len > SECTION_NAME_MAX)
2005 len = SECTION_NAME_MAX;
2006 strncpy(opt_item, beg, len);
2007 opt_item[SECTION_NAME_MAX] = '\0'; /* avoid gcc v8 O3 stringop-truncation */
2008 opt_item[len] = '\0';
2009 if (len > SECTION_NAME_MAX)
2010 CMP_warn2("using only first %d characters of section name starting with \"%s\"",
2011 SECTION_NAME_MAX, opt_item);
2012 while (beg != opt && (beg[-1] == ',' || isspace(beg[-1])))
2013 beg--;
2014 return beg;
2015 }
2016
2017 /* get str value for name from a comma-separated hierarchy of config sections */
2018 static char *conf_get_string(const CONF *src_conf, const char *groups,
2019 const char *name)
2020 {
2021 char *res = NULL;
2022 const char *end = groups + strlen(groups);
2023
2024 while ((end = prev_item(groups, end)) != NULL) {
2025 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2026 return res;
2027 }
2028 return res;
2029 }
2030
2031 /* get long val for name from a comma-separated hierarchy of config sections */
2032 static int conf_get_number_e(const CONF *conf_, const char *groups,
2033 const char *name, long *result)
2034 {
2035 char *str = conf_get_string(conf_, groups, name);
2036 char *tailptr;
2037 long res;
2038
2039 if (str == NULL || *str == '\0')
2040 return 0;
2041
2042 res = strtol(str, &tailptr, 10);
2043 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2044 return 0;
2045
2046 *result = res;
2047 return 1;
2048 }
2049
2050 /*
2051 * use the command line option table to read values from the CMP section
2052 * of openssl.cnf. Defaults are taken from the config file, they can be
2053 * overwritten on the command line.
2054 */
2055 static int read_config(void)
2056 {
2057 unsigned int i;
2058 long num = 0;
2059 char *txt = NULL;
2060 const OPTIONS *opt;
2061 int provider_option;
2062 int verification_option;
2063 int start = OPT_VERBOSITY;
2064 /*
2065 * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION
2066 * would not make sense within the config file.
2067 * Moreover, these two options and OPT_VERBOSITY have already been handled.
2068 */
2069 int n_options = OSSL_NELEM(cmp_options) - 1;
2070
2071 for (i = start - OPT_HELP, opt = &cmp_options[start];
2072 opt->name; i++, opt++)
2073 if (!strcmp(opt->name, OPT_SECTION_STR)
2074 || !strcmp(opt->name, OPT_MORE_STR))
2075 n_options--;
2076 OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options
2077 + OPT_PROV__FIRST + 1 - OPT_PROV__LAST
2078 + OPT_V__FIRST + 1 - OPT_V__LAST);
2079 for (i = start - OPT_HELP, opt = &cmp_options[start];
2080 opt->name; i++, opt++) {
2081 if (!strcmp(opt->name, OPT_SECTION_STR)
2082 || !strcmp(opt->name, OPT_MORE_STR)) {
2083 i--;
2084 continue;
2085 }
2086 provider_option = (OPT_PROV__FIRST <= opt->retval
2087 && opt->retval < OPT_PROV__LAST);
2088 verification_option = (OPT_V__FIRST <= opt->retval
2089 && opt->retval < OPT_V__LAST);
2090 if (provider_option || verification_option)
2091 i--;
2092 switch (opt->valtype) {
2093 case '-':
2094 case 'n':
2095 case 'l':
2096 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2097 ERR_clear_error();
2098 continue; /* option not provided */
2099 }
2100 break;
2101 case 's':
2102 case 'M':
2103 txt = conf_get_string(conf, opt_section, opt->name);
2104 if (txt == NULL) {
2105 ERR_clear_error();
2106 continue; /* option not provided */
2107 }
2108 break;
2109 default:
2110 CMP_err2("internal: unsupported type '%c' for option '%s'",
2111 opt->valtype, opt->name);
2112 return 0;
2113 break;
2114 }
2115 if (provider_option || verification_option) {
2116 int conf_argc = 1;
2117 char *conf_argv[3];
2118 char arg1[82];
2119
2120 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2121 conf_argv[0] = prog;
2122 conf_argv[1] = arg1;
2123 if (opt->valtype == '-') {
2124 if (num != 0)
2125 conf_argc = 2;
2126 } else {
2127 conf_argc = 3;
2128 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2129 /* not NULL */
2130 }
2131 if (conf_argc > 1) {
2132 (void)opt_init(conf_argc, conf_argv, cmp_options);
2133
2134 if (provider_option
2135 ? !opt_provider(opt_next())
2136 : !opt_verify(opt_next(), vpm)) {
2137 CMP_err2("for option '%s' in config file section '%s'",
2138 opt->name, opt_section);
2139 return 0;
2140 }
2141 }
2142 } else {
2143 switch (opt->valtype) {
2144 case '-':
2145 case 'n':
2146 if (num < INT_MIN || INT_MAX < num) {
2147 BIO_printf(bio_err,
2148 "integer value out of range for option '%s'\n",
2149 opt->name);
2150 return 0;
2151 }
2152 *cmp_vars[i].num = (int)num;
2153 break;
2154 case 'l':
2155 *cmp_vars[i].num_long = num;
2156 break;
2157 default:
2158 if (txt != NULL && txt[0] == '\0')
2159 txt = NULL; /* reset option on empty string input */
2160 *cmp_vars[i].txt = txt;
2161 break;
2162 }
2163 }
2164 }
2165
2166 return 1;
2167 }
2168
2169 static char *opt_str(char *opt)
2170 {
2171 char *arg = opt_arg();
2172
2173 if (arg[0] == '\0') {
2174 CMP_warn1("argument of -%s option is empty string, resetting option",
2175 opt);
2176 arg = NULL;
2177 } else if (arg[0] == '-') {
2178 CMP_warn1("argument of -%s option starts with hyphen", opt);
2179 }
2180 return arg;
2181 }
2182
2183 static int opt_nat(void)
2184 {
2185 int result = -1;
2186
2187 if (opt_int(opt_arg(), &result) && result < 0)
2188 BIO_printf(bio_err, "error: argument '%s' must not be negative\n",
2189 opt_arg());
2190 return result;
2191 }
2192
2193 /* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
2194 static int get_opts(int argc, char **argv)
2195 {
2196 OPTION_CHOICE o;
2197
2198 prog = opt_init(argc, argv, cmp_options);
2199
2200 while ((o = opt_next()) != OPT_EOF) {
2201 switch (o) {
2202 case OPT_EOF:
2203 case OPT_ERR:
2204 opthelp:
2205 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
2206 return 0;
2207 case OPT_HELP:
2208 opt_help(cmp_options);
2209 return -1;
2210 case OPT_CONFIG: /* has already been handled */
2211 case OPT_SECTION: /* has already been handled */
2212 case OPT_VERBOSITY: /* has already been handled */
2213 break;
2214 case OPT_SERVER:
2215 opt_server = opt_str("server");
2216 break;
2217 case OPT_PROXY:
2218 opt_proxy = opt_str("proxy");
2219 break;
2220 case OPT_NO_PROXY:
2221 opt_no_proxy = opt_str("no_proxy");
2222 break;
2223 case OPT_PATH:
2224 opt_path = opt_str("path");
2225 break;
2226 case OPT_RECIPIENT:
2227 opt_recipient = opt_str("recipient");
2228 break;
2229 case OPT_MSG_TIMEOUT:
2230 if ((opt_msg_timeout = opt_nat()) < 0)
2231 goto opthelp;
2232 break;
2233 case OPT_TOTAL_TIMEOUT:
2234 if ((opt_total_timeout = opt_nat()) < 0)
2235 goto opthelp;
2236 break;
2237 case OPT_TLS_USED:
2238 opt_tls_used = 1;
2239 break;
2240 case OPT_TLS_CERT:
2241 opt_tls_cert = opt_str("tls_cert");
2242 break;
2243 case OPT_TLS_KEY:
2244 opt_tls_key = opt_str("tls_key");
2245 break;
2246 case OPT_TLS_KEYPASS:
2247 opt_tls_keypass = opt_str("tls_keypass");
2248 break;
2249 case OPT_TLS_EXTRA:
2250 opt_tls_extra = opt_str("tls_extra");
2251 break;
2252 case OPT_TLS_TRUSTED:
2253 opt_tls_trusted = opt_str("tls_trusted");
2254 break;
2255 case OPT_TLS_HOST:
2256 opt_tls_host = opt_str("tls_host");
2257 break;
2258 case OPT_REF:
2259 opt_ref = opt_str("ref");
2260 break;
2261 case OPT_SECRET:
2262 opt_secret = opt_str("secret");
2263 break;
2264 case OPT_CERT:
2265 opt_cert = opt_str("cert");
2266 break;
2267 case OPT_OWN_TRUSTED:
2268 opt_own_trusted = opt_str("own_trusted");
2269 break;
2270 case OPT_KEY:
2271 opt_key = opt_str("key");
2272 break;
2273 case OPT_KEYPASS:
2274 opt_keypass = opt_str("keypass");
2275 break;
2276 case OPT_DIGEST:
2277 opt_digest = opt_str("digest");
2278 break;
2279 case OPT_MAC:
2280 opt_mac = opt_str("mac");
2281 break;
2282 case OPT_EXTRACERTS:
2283 opt_extracerts = opt_str("extracerts");
2284 break;
2285 case OPT_UNPROTECTED_REQUESTS:
2286 opt_unprotected_requests = 1;
2287 break;
2288
2289 case OPT_TRUSTED:
2290 opt_trusted = opt_str("trusted");
2291 break;
2292 case OPT_UNTRUSTED:
2293 opt_untrusted = opt_str("untrusted");
2294 break;
2295 case OPT_SRVCERT:
2296 opt_srvcert = opt_str("srvcert");
2297 break;
2298 case OPT_EXPECT_SENDER:
2299 opt_expect_sender = opt_str("expect_sender");
2300 break;
2301 case OPT_IGNORE_KEYUSAGE:
2302 opt_ignore_keyusage = 1;
2303 break;
2304 case OPT_UNPROTECTED_ERRORS:
2305 opt_unprotected_errors = 1;
2306 break;
2307 case OPT_EXTRACERTSOUT:
2308 opt_extracertsout = opt_str("extracertsout");
2309 break;
2310 case OPT_CACERTSOUT:
2311 opt_cacertsout = opt_str("cacertsout");
2312 break;
2313
2314 case OPT_V_CASES:
2315 if (!opt_verify(o, vpm))
2316 goto opthelp;
2317 break;
2318 case OPT_CMD:
2319 opt_cmd_s = opt_str("cmd");
2320 break;
2321 case OPT_INFOTYPE:
2322 opt_infotype_s = opt_str("infotype");
2323 break;
2324 case OPT_GENINFO:
2325 opt_geninfo = opt_str("geninfo");
2326 break;
2327
2328 case OPT_NEWKEY:
2329 opt_newkey = opt_str("newkey");
2330 break;
2331 case OPT_NEWKEYPASS:
2332 opt_newkeypass = opt_str("newkeypass");
2333 break;
2334 case OPT_SUBJECT:
2335 opt_subject = opt_str("subject");
2336 break;
2337 case OPT_ISSUER:
2338 opt_issuer = opt_str("issuer");
2339 break;
2340 case OPT_DAYS:
2341 if ((opt_days = opt_nat()) < 0)
2342 goto opthelp;
2343 break;
2344 case OPT_REQEXTS:
2345 opt_reqexts = opt_str("reqexts");
2346 break;
2347 case OPT_SANS:
2348 opt_sans = opt_str("sans");
2349 break;
2350 case OPT_SAN_NODEFAULT:
2351 opt_san_nodefault = 1;
2352 break;
2353 case OPT_POLICIES:
2354 opt_policies = opt_str("policies");
2355 break;
2356 case OPT_POLICY_OIDS:
2357 opt_policy_oids = opt_str("policy_oids");
2358 break;
2359 case OPT_POLICY_OIDS_CRITICAL:
2360 opt_policy_oids_critical = 1;
2361 break;
2362 case OPT_POPO:
2363 if (!opt_int(opt_arg(), &opt_popo)
2364 || opt_popo < OSSL_CRMF_POPO_NONE
2365 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2366 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2367 goto opthelp;
2368 }
2369 break;
2370 case OPT_CSR:
2371 opt_csr = opt_arg();
2372 break;
2373 case OPT_OUT_TRUSTED:
2374 opt_out_trusted = opt_str("out_trusted");
2375 break;
2376 case OPT_IMPLICIT_CONFIRM:
2377 opt_implicit_confirm = 1;
2378 break;
2379 case OPT_DISABLE_CONFIRM:
2380 opt_disable_confirm = 1;
2381 break;
2382 case OPT_CERTOUT:
2383 opt_certout = opt_str("certout");
2384 break;
2385 case OPT_CHAINOUT:
2386 opt_chainout = opt_str("chainout");
2387 break;
2388 case OPT_OLDCERT:
2389 opt_oldcert = opt_str("oldcert");
2390 break;
2391 case OPT_REVREASON:
2392 if (!opt_int(opt_arg(), &opt_revreason)
2393 || opt_revreason < CRL_REASON_NONE
2394 || opt_revreason > CRL_REASON_AA_COMPROMISE
2395 || opt_revreason == 7) {
2396 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2397 goto opthelp;
2398 }
2399 break;
2400 case OPT_CERTFORM:
2401 opt_certform_s = opt_str("certform");
2402 break;
2403 case OPT_KEYFORM:
2404 opt_keyform_s = opt_str("keyform");
2405 break;
2406 case OPT_OTHERPASS:
2407 opt_otherpass = opt_str("otherpass");
2408 break;
2409 #ifndef OPENSSL_NO_ENGINE
2410 case OPT_ENGINE:
2411 opt_engine = opt_str("engine");
2412 break;
2413 #endif
2414 case OPT_PROV_CASES:
2415 if (!opt_provider(o))
2416 goto opthelp;
2417 break;
2418
2419 case OPT_BATCH:
2420 opt_batch = 1;
2421 break;
2422 case OPT_REPEAT:
2423 opt_repeat = opt_nat();
2424 break;
2425 case OPT_REQIN:
2426 opt_reqin = opt_str("reqin");
2427 break;
2428 case OPT_REQIN_NEW_TID:
2429 opt_reqin_new_tid = 1;
2430 break;
2431 case OPT_REQOUT:
2432 opt_reqout = opt_str("reqout");
2433 break;
2434 case OPT_RSPIN:
2435 opt_rspin = opt_str("rspin");
2436 break;
2437 case OPT_RSPOUT:
2438 opt_rspout = opt_str("rspout");
2439 break;
2440 case OPT_USE_MOCK_SRV:
2441 opt_use_mock_srv = 1;
2442 break;
2443 case OPT_PORT:
2444 opt_port = opt_str("port");
2445 break;
2446 case OPT_MAX_MSGS:
2447 if ((opt_max_msgs = opt_nat()) < 0)
2448 goto opthelp;
2449 break;
2450 case OPT_SRV_REF:
2451 opt_srv_ref = opt_str("srv_ref");
2452 break;
2453 case OPT_SRV_SECRET:
2454 opt_srv_secret = opt_str("srv_secret");
2455 break;
2456 case OPT_SRV_CERT:
2457 opt_srv_cert = opt_str("srv_cert");
2458 break;
2459 case OPT_SRV_KEY:
2460 opt_srv_key = opt_str("srv_key");
2461 break;
2462 case OPT_SRV_KEYPASS:
2463 opt_srv_keypass = opt_str("srv_keypass");
2464 break;
2465 case OPT_SRV_TRUSTED:
2466 opt_srv_trusted = opt_str("srv_trusted");
2467 break;
2468 case OPT_SRV_UNTRUSTED:
2469 opt_srv_untrusted = opt_str("srv_untrusted");
2470 break;
2471 case OPT_RSP_CERT:
2472 opt_rsp_cert = opt_str("rsp_cert");
2473 break;
2474 case OPT_RSP_EXTRACERTS:
2475 opt_rsp_extracerts = opt_str("rsp_extracerts");
2476 break;
2477 case OPT_RSP_CAPUBS:
2478 opt_rsp_capubs = opt_str("rsp_capubs");
2479 break;
2480 case OPT_POLL_COUNT:
2481 opt_poll_count = opt_nat();
2482 break;
2483 case OPT_CHECK_AFTER:
2484 opt_check_after = opt_nat();
2485 break;
2486 case OPT_GRANT_IMPLICITCONF:
2487 opt_grant_implicitconf = 1;
2488 break;
2489 case OPT_PKISTATUS:
2490 opt_pkistatus = opt_nat();
2491 break;
2492 case OPT_FAILURE:
2493 opt_failure = opt_nat();
2494 break;
2495 case OPT_FAILUREBITS:
2496 opt_failurebits = opt_nat();
2497 break;
2498 case OPT_STATUSSTRING:
2499 opt_statusstring = opt_str("statusstring");
2500 break;
2501 case OPT_SEND_ERROR:
2502 opt_send_error = 1;
2503 break;
2504 case OPT_SEND_UNPROTECTED:
2505 opt_send_unprotected = 1;
2506 break;
2507 case OPT_SEND_UNPROT_ERR:
2508 opt_send_unprot_err = 1;
2509 break;
2510 case OPT_ACCEPT_UNPROTECTED:
2511 opt_accept_unprotected = 1;
2512 break;
2513 case OPT_ACCEPT_UNPROT_ERR:
2514 opt_accept_unprot_err = 1;
2515 break;
2516 case OPT_ACCEPT_RAVERIFIED:
2517 opt_accept_raverified = 1;
2518 break;
2519 }
2520 }
2521
2522 /* No extra args. */
2523 argc = opt_num_rest();
2524 argv = opt_rest();
2525 if (argc != 0)
2526 goto opthelp;
2527 return 1;
2528 }
2529
2530 int cmp_main(int argc, char **argv)
2531 {
2532 char *configfile = NULL;
2533 int i;
2534 X509 *newcert = NULL;
2535 ENGINE *engine = NULL;
2536 char mock_server[] = "mock server:1";
2537 int ret = 0; /* default: failure */
2538
2539 prog = opt_appname(argv[0]);
2540 if (argc <= 1) {
2541 opt_help(cmp_options);
2542 goto err;
2543 }
2544
2545 /*
2546 * handle options -config, -section, and -verbosity upfront
2547 * to take effect for other options
2548 */
2549 for (i = 1; i < argc - 1; i++) {
2550 if (*argv[i] == '-') {
2551 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2552 opt_config = argv[++i];
2553 else if (!strcmp(argv[i] + 1,
2554 cmp_options[OPT_SECTION - OPT_HELP].name))
2555 opt_section = argv[++i];
2556 else if (strcmp(argv[i] + 1,
2557 cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0
2558 && !set_verbosity(atoi(argv[++i])))
2559 goto err;
2560 }
2561 }
2562 if (opt_section[0] == '\0') /* empty string */
2563 opt_section = DEFAULT_SECTION;
2564
2565 vpm = X509_VERIFY_PARAM_new();
2566 if (vpm == NULL) {
2567 CMP_err("out of memory");
2568 goto err;
2569 }
2570
2571 /* read default values for options from config file */
2572 configfile = opt_config != NULL ? opt_config : default_config_file;
2573 if (configfile != NULL && configfile[0] != '\0' /* non-empty string */
2574 && (configfile != default_config_file || access(configfile, F_OK) != -1)) {
2575 CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'",
2576 opt_section, configfile);
2577 conf = app_load_config(configfile);
2578 if (conf == NULL) {
2579 goto err;
2580 } else {
2581 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2582 if (!NCONF_get_section(conf, opt_section))
2583 CMP_info2("no [%s] section found in config file '%s';"
2584 " will thus use just [default] and unnamed section if present",
2585 opt_section, configfile);
2586 } else {
2587 const char *end = opt_section + strlen(opt_section);
2588 while ((end = prev_item(opt_section, end)) != NULL) {
2589 if (!NCONF_get_section(conf, opt_item)) {
2590 CMP_err2("no [%s] section found in config file '%s'",
2591 opt_item, configfile);
2592 goto err;
2593 }
2594 }
2595 }
2596 if (!read_config())
2597 goto err;
2598 }
2599 }
2600 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2601
2602 ret = get_opts(argc, argv);
2603 if (ret <= 0)
2604 goto err;
2605 ret = 0;
2606 if (!app_RAND_load())
2607 goto err;
2608
2609 if (opt_batch)
2610 set_base_ui_method(UI_null());
2611
2612 if (opt_engine != NULL) {
2613 engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
2614 if (engine == NULL) {
2615 CMP_err1("cannot load engine %s", opt_engine);
2616 goto err;
2617 }
2618 }
2619
2620 if (opt_port != NULL) {
2621 if (opt_use_mock_srv) {
2622 CMP_err("cannot use both -port and -use_mock_srv options");
2623 goto err;
2624 }
2625 if (opt_server != NULL) {
2626 CMP_err("cannot use both -port and -server options");
2627 goto err;
2628 }
2629 }
2630
2631 cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq());
2632 if (cmp_ctx == NULL)
2633 goto err;
2634 OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity);
2635 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2636 CMP_err1("cannot set up error reporting and logging for %s", prog);
2637 goto err;
2638 }
2639 if ((opt_use_mock_srv || opt_port != NULL)) {
2640 OSSL_CMP_SRV_CTX *srv_ctx;
2641
2642 if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2643 goto err;
2644 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2645 if (!OSSL_CMP_CTX_set_log_cb(OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx),
2646 print_to_bio_out)) {
2647 CMP_err1("cannot set up error reporting and logging for %s", prog);
2648 goto err;
2649 }
2650 }
2651
2652
2653 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2654 #ifdef OPENSSL_NO_SOCK
2655 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
2656 #else
2657 BIO *acbio;
2658 BIO *cbio = NULL;
2659 int msgs = 0;
2660
2661 if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
2662 goto err;
2663 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2664 char *path = NULL;
2665 OSSL_CMP_MSG *req = NULL;
2666 OSSL_CMP_MSG *resp = NULL;
2667
2668 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2669 (ASN1_VALUE **)&req, &path,
2670 &cbio, acbio, prog, 0, 0);
2671 if (ret == 0)
2672 continue;
2673 if (ret++ == -1)
2674 break; /* fatal error */
2675
2676 ret = 0;
2677 msgs++;
2678 if (req != NULL) {
2679 if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2680 (void)http_server_send_status(cbio, 404, "Not Found");
2681 CMP_err1("expecting empty path or 'pkix/' but got '%s'",
2682 path);
2683 OPENSSL_free(path);
2684 OSSL_CMP_MSG_free(req);
2685 goto cont;
2686 }
2687 OPENSSL_free(path);
2688 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2689 OSSL_CMP_MSG_free(req);
2690 if (resp == NULL) {
2691 (void)http_server_send_status(cbio,
2692 500, "Internal Server Error");
2693 break; /* treated as fatal error */
2694 }
2695 ret = http_server_send_asn1_resp(cbio, "application/pkixcmp",
2696 ASN1_ITEM_rptr(OSSL_CMP_MSG),
2697 (const ASN1_VALUE *)resp);
2698 OSSL_CMP_MSG_free(resp);
2699 if (!ret)
2700 break; /* treated as fatal error */
2701 } else {
2702 (void)http_server_send_status(cbio, 400, "Bad Request");
2703 }
2704 cont:
2705 BIO_free_all(cbio);
2706 cbio = NULL;
2707 }
2708 BIO_free_all(cbio);
2709 BIO_free_all(acbio);
2710 #endif
2711 goto err;
2712 }
2713 /* else act as CMP client */
2714
2715 if (opt_use_mock_srv) {
2716 if (opt_server != NULL) {
2717 CMP_err("cannot use both -use_mock_srv and -server options");
2718 goto err;
2719 }
2720 if (opt_proxy != NULL) {
2721 CMP_err("cannot use both -use_mock_srv and -proxy options");
2722 goto err;
2723 }
2724 opt_server = mock_server;
2725 opt_proxy = "API";
2726 }
2727
2728 if (!setup_client_ctx(cmp_ctx, engine)) {
2729 CMP_err("cannot set up CMP context");
2730 goto err;
2731 }
2732 for (i = 0; i < opt_repeat; i++) {
2733 /* everything is ready, now connect and perform the command! */
2734 switch (opt_cmd) {
2735 case CMP_IR:
2736 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
2737 if (newcert != NULL)
2738 ret = 1;
2739 break;
2740 case CMP_KUR:
2741 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
2742 if (newcert != NULL)
2743 ret = 1;
2744 break;
2745 case CMP_CR:
2746 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
2747 if (newcert != NULL)
2748 ret = 1;
2749 break;
2750 case CMP_P10CR:
2751 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
2752 if (newcert != NULL)
2753 ret = 1;
2754 break;
2755 case CMP_RR:
2756 ret = OSSL_CMP_exec_RR_ses(cmp_ctx);
2757 break;
2758 case CMP_GENM:
2759 {
2760 STACK_OF(OSSL_CMP_ITAV) *itavs;
2761
2762 if (opt_infotype != NID_undef) {
2763 OSSL_CMP_ITAV *itav =
2764 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
2765 if (itav == NULL)
2766 goto err;
2767 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
2768 }
2769
2770 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) != NULL) {
2771 print_itavs(itavs);
2772 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
2773 ret = 1;
2774 }
2775 break;
2776 }
2777 default:
2778 break;
2779 }
2780 if (OSSL_CMP_CTX_get_status(cmp_ctx) < 0)
2781 goto err; /* we got no response, maybe even did not send request */
2782
2783 {
2784 /* print PKIStatusInfo */
2785 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
2786 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
2787 const char *string =
2788 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
2789 OSSL_CMP_PKISI_BUFLEN);
2790
2791 CMP_print(bio_err,
2792 status == OSSL_CMP_PKISTATUS_accepted
2793 ? OSSL_CMP_LOG_INFO :
2794 status == OSSL_CMP_PKISTATUS_rejection
2795 || status == OSSL_CMP_PKISTATUS_waiting
2796 ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING,
2797 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
2798 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
2799 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
2800 : "warning",
2801 "received from %s %s %s", opt_server,
2802 string != NULL ? string : "<unknown PKIStatus>", "");
2803 OPENSSL_free(buf);
2804 }
2805
2806 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx),
2807 opt_extracertsout, "extra") < 0)
2808 ret = 0;
2809 if (!ret)
2810 goto err;
2811 ret = 0;
2812 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx),
2813 opt_cacertsout, "CA") < 0)
2814 goto err;
2815 if (newcert != NULL) {
2816 STACK_OF(X509) *certs = sk_X509_new_null();
2817
2818 if (!X509_add_cert(certs, newcert, X509_ADD_FLAG_UP_REF)) {
2819 sk_X509_free(certs);
2820 goto err;
2821 }
2822 if (save_free_certs(cmp_ctx, certs, opt_certout, "enrolled") < 0)
2823 goto err;
2824 }
2825 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx),
2826 opt_chainout, "chain") < 0)
2827 goto err;
2828
2829 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
2830 goto err;
2831 }
2832 ret = 1;
2833
2834 err:
2835 /* in case we ended up here on error without proper cleaning */
2836 cleanse(opt_keypass);
2837 cleanse(opt_newkeypass);
2838 cleanse(opt_otherpass);
2839 cleanse(opt_tls_keypass);
2840 cleanse(opt_secret);
2841 cleanse(opt_srv_keypass);
2842 cleanse(opt_srv_secret);
2843
2844 if (ret != 1)
2845 OSSL_CMP_CTX_print_errors(cmp_ctx);
2846
2847 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
2848 {
2849 APP_HTTP_TLS_INFO *http_tls_info =
2850 OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
2851
2852 if (http_tls_info != NULL) {
2853 SSL_CTX_free(http_tls_info->ssl_ctx);
2854 OPENSSL_free(http_tls_info);
2855 }
2856 }
2857 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
2858 OSSL_CMP_CTX_free(cmp_ctx);
2859 X509_VERIFY_PARAM_free(vpm);
2860 release_engine(engine);
2861
2862 NCONF_free(conf); /* must not do as long as opt_... variables are used */
2863 OSSL_CMP_log_close();
2864
2865 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS; /* ret == -1 for -help */
2866 }
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