1 /*
2 * Copyright 2007-2022 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 /* This app is disabled when OPENSSL_NO_CMP is defined. */
13
14 #include <string.h>
15 #include <ctype.h>
16
17 #include "apps.h"
18 #include "http_server.h"
19 #include "s_apps.h"
20 #include "progs.h"
21
22 #include "cmp_mock_srv.h"
23
24 /* tweaks needed due to missing unistd.h on Windows */
25 #if defined(_WIN32) && !defined(__BORLANDC__)
26 # define access _access
27 #endif
28 #ifndef F_OK
29 # define F_OK 0
30 #endif
31
32 #include <openssl/ui.h>
33 #include <openssl/pkcs12.h>
34 #include <openssl/ssl.h>
35
36 /* explicit #includes not strictly needed since implied by the above: */
37 #include <stdlib.h>
38 #include <openssl/cmp.h>
39 #include <openssl/cmp_util.h>
40 #include <openssl/crmf.h>
41 #include <openssl/crypto.h>
42 #include <openssl/err.h>
43 #include <openssl/store.h>
44 #include <openssl/objects.h>
45 #include <openssl/x509.h>
46
47 static char *prog;
48 static char *opt_config = NULL;
49 #define CMP_SECTION "cmp"
50 #define SECTION_NAME_MAX 40 /* max length of section name */
51 #define DEFAULT_SECTION "default"
52 static char *opt_section = CMP_SECTION;
53 static int opt_verbosity = OSSL_CMP_LOG_INFO;
54
55 static int read_config(void);
56
57 static CONF *conf = NULL; /* OpenSSL config file context structure */
58 static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
59
60 /* the type of cmp command we want to send */
61 typedef enum {
62 CMP_IR,
63 CMP_KUR,
64 CMP_CR,
65 CMP_P10CR,
66 CMP_RR,
67 CMP_GENM
68 } cmp_cmd_t;
69
70 /* message transfer */
71 #ifndef OPENSSL_NO_SOCK
72 static char *opt_server = NULL;
73 static char *opt_proxy = NULL;
74 static char *opt_no_proxy = NULL;
75 #endif
76 static char *opt_recipient = NULL;
77 static char *opt_path = NULL;
78 static int opt_keep_alive = 1;
79 static int opt_msg_timeout = -1;
80 static int opt_total_timeout = -1;
81
82 /* server authentication */
83 static char *opt_trusted = NULL;
84 static char *opt_untrusted = NULL;
85 static char *opt_srvcert = NULL;
86 static char *opt_expect_sender = NULL;
87 static int opt_ignore_keyusage = 0;
88 static int opt_unprotected_errors = 0;
89 static char *opt_extracertsout = NULL;
90 static char *opt_cacertsout = NULL;
91
92 /* client authentication */
93 static char *opt_ref = NULL;
94 static char *opt_secret = NULL;
95 static char *opt_cert = NULL;
96 static char *opt_own_trusted = NULL;
97 static char *opt_key = NULL;
98 static char *opt_keypass = NULL;
99 static char *opt_digest = NULL;
100 static char *opt_mac = NULL;
101 static char *opt_extracerts = NULL;
102 static int opt_unprotected_requests = 0;
103
104 /* generic message */
105 static char *opt_cmd_s = NULL;
106 static int opt_cmd = -1;
107 static char *opt_geninfo = NULL;
108 static char *opt_infotype_s = NULL;
109 static int opt_infotype = NID_undef;
110
111 /* certificate enrollment */
112 static char *opt_newkey = NULL;
113 static char *opt_newkeypass = NULL;
114 static char *opt_subject = NULL;
115 static char *opt_issuer = NULL;
116 static int opt_days = 0;
117 static char *opt_reqexts = NULL;
118 static char *opt_sans = NULL;
119 static int opt_san_nodefault = 0;
120 static char *opt_policies = NULL;
121 static char *opt_policy_oids = NULL;
122 static int opt_policy_oids_critical = 0;
123 static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
124 static char *opt_csr = NULL;
125 static char *opt_out_trusted = NULL;
126 static int opt_implicit_confirm = 0;
127 static int opt_disable_confirm = 0;
128 static char *opt_certout = NULL;
129 static char *opt_chainout = NULL;
130
131 /* certificate enrollment and revocation */
132 static char *opt_oldcert = NULL;
133 static int opt_revreason = CRL_REASON_NONE;
134
135 /* credentials format */
136 static char *opt_certform_s = "PEM";
137 static int opt_certform = FORMAT_PEM;
138 static char *opt_keyform_s = NULL;
139 static int opt_keyform = FORMAT_UNDEF;
140 static char *opt_otherpass = NULL;
141 static char *opt_engine = NULL;
142
143 #ifndef OPENSSL_NO_SOCK
144 /* TLS connection */
145 static int opt_tls_used = 0;
146 static char *opt_tls_cert = NULL;
147 static char *opt_tls_key = NULL;
148 static char *opt_tls_keypass = NULL;
149 static char *opt_tls_extra = NULL;
150 static char *opt_tls_trusted = NULL;
151 static char *opt_tls_host = NULL;
152 #endif
153
154 /* client-side debugging */
155 static int opt_batch = 0;
156 static int opt_repeat = 1;
157 static char *opt_reqin = NULL;
158 static int opt_reqin_new_tid = 0;
159 static char *opt_reqout = NULL;
160 static char *opt_rspin = NULL;
161 static char *opt_rspout = NULL;
162 static int opt_use_mock_srv = 0;
163
164 /* mock server */
165 #ifndef OPENSSL_NO_SOCK
166 static char *opt_port = NULL;
167 static int opt_max_msgs = 0;
168 #endif
169 static char *opt_srv_ref = NULL;
170 static char *opt_srv_secret = NULL;
171 static char *opt_srv_cert = NULL;
172 static char *opt_srv_key = NULL;
173 static char *opt_srv_keypass = NULL;
174
175 static char *opt_srv_trusted = NULL;
176 static char *opt_srv_untrusted = NULL;
177 static char *opt_rsp_cert = NULL;
178 static char *opt_rsp_extracerts = NULL;
179 static char *opt_rsp_capubs = NULL;
180 static int opt_poll_count = 0;
181 static int opt_check_after = 1;
182 static int opt_grant_implicitconf = 0;
183
184 static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
185 static int opt_failure = INT_MIN;
186 static int opt_failurebits = 0;
187 static char *opt_statusstring = NULL;
188 static int opt_send_error = 0;
189 static int opt_send_unprotected = 0;
190 static int opt_send_unprot_err = 0;
191 static int opt_accept_unprotected = 0;
192 static int opt_accept_unprot_err = 0;
193 static int opt_accept_raverified = 0;
194
195 static X509_VERIFY_PARAM *vpm = NULL;
196
197 typedef enum OPTION_choice {
198 OPT_COMMON,
199 OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
200
201 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
202
203 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
204 OPT_DAYS, OPT_REQEXTS,
205 OPT_SANS, OPT_SAN_NODEFAULT,
206 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
207 OPT_POPO, OPT_CSR,
208 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
209 OPT_CERTOUT, OPT_CHAINOUT,
210
211 OPT_OLDCERT, OPT_REVREASON,
212
213 #ifndef OPENSSL_NO_SOCK
214 OPT_SERVER, OPT_PROXY, OPT_NO_PROXY,
215 #endif
216 OPT_RECIPIENT, OPT_PATH,
217 OPT_KEEP_ALIVE, OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
218
219 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
220 OPT_EXPECT_SENDER,
221 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
222 OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
223
224 OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
225 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
226 OPT_UNPROTECTED_REQUESTS,
227
228 OPT_CERTFORM, OPT_KEYFORM,
229 OPT_OTHERPASS,
230 #ifndef OPENSSL_NO_ENGINE
231 OPT_ENGINE,
232 #endif
233 OPT_PROV_ENUM,
234 OPT_R_ENUM,
235
236 #ifndef OPENSSL_NO_SOCK
237 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
238 OPT_TLS_KEYPASS,
239 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
240 #endif
241
242 OPT_BATCH, OPT_REPEAT,
243 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
244 OPT_USE_MOCK_SRV,
245
246 #ifndef OPENSSL_NO_SOCK
247 OPT_PORT, OPT_MAX_MSGS,
248 #endif
249 OPT_SRV_REF, OPT_SRV_SECRET,
250 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
251 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
252 OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
253 OPT_POLL_COUNT, OPT_CHECK_AFTER,
254 OPT_GRANT_IMPLICITCONF,
255 OPT_PKISTATUS, OPT_FAILURE,
256 OPT_FAILUREBITS, OPT_STATUSSTRING,
257 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
258 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
259 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
260
261 OPT_V_ENUM
262 } OPTION_CHOICE;
263
264 const OPTIONS cmp_options[] = {
265 /* entries must be in the same order as enumerated above!! */
266 {"help", OPT_HELP, '-', "Display this summary"},
267 {"config", OPT_CONFIG, 's',
268 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
269 {"section", OPT_SECTION, 's',
270 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
271 {"verbosity", OPT_VERBOSITY, 'N',
272 "Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
273
274 OPT_SECTION("Generic message"),
275 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
276 {"infotype", OPT_INFOTYPE, 's',
277 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
278 {"geninfo", OPT_GENINFO, 's',
279 "generalInfo integer values to place in request PKIHeader with given OID"},
280 {OPT_MORE_STR, 0, 0,
281 "specified in the form <OID>:int:<n>, e.g. \"1.2.3.4:int:56789\""},
282
283 OPT_SECTION("Certificate enrollment"),
284 {"newkey", OPT_NEWKEY, 's',
285 "Private or public key for the requested cert. Default: CSR key or client key"},
286 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
287 {"subject", OPT_SUBJECT, 's',
288 "Distinguished Name (DN) of subject to use in the requested cert template"},
289 {OPT_MORE_STR, 0, 0,
290 "For kur, default is subject of -csr arg or reference cert (see -oldcert)"},
291 {OPT_MORE_STR, 0, 0,
292 "this default is used for ir and cr only if no Subject Alt Names are set"},
293 {"issuer", OPT_ISSUER, 's',
294 "DN of the issuer to place in the requested certificate template"},
295 {OPT_MORE_STR, 0, 0,
296 "also used as recipient if neither -recipient nor -srvcert are given"},
297 {"days", OPT_DAYS, 'N',
298 "Requested validity time of the new certificate in number of days"},
299 {"reqexts", OPT_REQEXTS, 's',
300 "Name of config file section defining certificate request extensions."},
301 {OPT_MORE_STR, 0, 0,
302 "Augments or replaces any extensions contained CSR given with -csr"},
303 {"sans", OPT_SANS, 's',
304 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
305 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
306 "Do not take default SANs from reference certificate (see -oldcert)"},
307 {"policies", OPT_POLICIES, 's',
308 "Name of config file section defining policies certificate request extension"},
309 {"policy_oids", OPT_POLICY_OIDS, 's',
310 "Policy OID(s) to add as policies certificate request extension"},
311 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
312 "Flag the policy OID(s) given with -policy_oids as critical"},
313 {"popo", OPT_POPO, 'n',
314 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
315 {OPT_MORE_STR, 0, 0,
316 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
317 {"csr", OPT_CSR, 's',
318 "PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
319 {"out_trusted", OPT_OUT_TRUSTED, 's',
320 "Certificates to trust when verifying newly enrolled certificates"},
321 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
322 "Request implicit confirmation of newly enrolled certificates"},
323 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
324 "Do not confirm newly enrolled certificate w/o requesting implicit"},
325 {OPT_MORE_STR, 0, 0,
326 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
327 {"certout", OPT_CERTOUT, 's',
328 "File to save newly enrolled certificate"},
329 {"chainout", OPT_CHAINOUT, 's',
330 "File to save the chain of newly enrolled certificate"},
331
332 OPT_SECTION("Certificate enrollment and revocation"),
333
334 {"oldcert", OPT_OLDCERT, 's',
335 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
336 {OPT_MORE_STR, 0, 0,
337 "also used as reference (defaulting to -cert) for subject DN and SANs."},
338 {OPT_MORE_STR, 0, 0,
339 "Issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
340 {"revreason", OPT_REVREASON, 'n',
341 "Reason code to include in revocation request (rr); possible values:"},
342 {OPT_MORE_STR, 0, 0,
343 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
344
345 OPT_SECTION("Message transfer"),
346 #ifdef OPENSSL_NO_SOCK
347 {OPT_MORE_STR, 0, 0,
348 "NOTE: -server, -proxy, and -no_proxy not supported due to no-sock build"},
349 #else
350 {"server", OPT_SERVER, 's',
351 "[http[s]://]address[:port][/path] of CMP server. Default port 80 or 443."},
352 {OPT_MORE_STR, 0, 0,
353 "address may be a DNS name or an IP address; path can be overridden by -path"},
354 {"proxy", OPT_PROXY, 's',
355 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
356 {"no_proxy", OPT_NO_PROXY, 's',
357 "List of addresses of servers not to use HTTP(S) proxy for"},
358 {OPT_MORE_STR, 0, 0,
359 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
360 #endif
361 {"recipient", OPT_RECIPIENT, 's',
362 "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
363 {"path", OPT_PATH, 's',
364 "HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
365 {"keep_alive", OPT_KEEP_ALIVE, 'N',
366 "Persistent HTTP connections. 0: no, 1 (the default): request, 2: require"},
367 {"msg_timeout", OPT_MSG_TIMEOUT, 'N',
368 "Number of seconds allowed per CMP message round trip, or 0 for infinite"},
369 {"total_timeout", OPT_TOTAL_TIMEOUT, 'N',
370 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
371
372 OPT_SECTION("Server authentication"),
373 {"trusted", OPT_TRUSTED, 's',
374 "Certificates to trust as chain roots when verifying signed CMP responses"},
375 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
376 {"untrusted", OPT_UNTRUSTED, 's',
377 "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
378 {"srvcert", OPT_SRVCERT, 's',
379 "Server cert to pin and trust directly when verifying signed CMP responses"},
380 {"expect_sender", OPT_EXPECT_SENDER, 's',
381 "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
382 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
383 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
384 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
385 "Accept missing or invalid protection of regular error messages and negative"},
386 {OPT_MORE_STR, 0, 0,
387 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
388 {OPT_MORE_STR, 0, 0,
389 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
390 {"extracertsout", OPT_EXTRACERTSOUT, 's',
391 "File to save extra certificates received in the extraCerts field"},
392 {"cacertsout", OPT_CACERTSOUT, 's',
393 "File to save CA certificates received in the caPubs field of 'ip' messages"},
394
395 OPT_SECTION("Client authentication"),
396 {"ref", OPT_REF, 's',
397 "Reference value to use as senderKID in case no -cert is given"},
398 {"secret", OPT_SECRET, 's',
399 "Prefer PBM (over signatures) for protecting msgs with given password source"},
400 {"cert", OPT_CERT, 's',
401 "Client's CMP signer certificate; its public key must match the -key argument"},
402 {OPT_MORE_STR, 0, 0,
403 "This also used as default reference for subject DN and SANs."},
404 {OPT_MORE_STR, 0, 0,
405 "Any further certs included are appended to the untrusted certs"},
406 {"own_trusted", OPT_OWN_TRUSTED, 's',
407 "Optional certs to verify chain building for own CMP signer cert"},
408 {"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
409 {"keypass", OPT_KEYPASS, 's',
410 "Client private key (and cert and old cert) pass phrase source"},
411 {"digest", OPT_DIGEST, 's',
412 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
413 {"mac", OPT_MAC, 's',
414 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
415 {"extracerts", OPT_EXTRACERTS, 's',
416 "Certificates to append in extraCerts field of outgoing messages."},
417 {OPT_MORE_STR, 0, 0,
418 "This can be used as the default CMP signer cert chain to include"},
419 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
420 "Send messages without CMP-level protection"},
421
422 OPT_SECTION("Credentials format"),
423 {"certform", OPT_CERTFORM, 's',
424 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
425 {"keyform", OPT_KEYFORM, 's',
426 "Format of the key input (ENGINE, other values ignored)"},
427 {"otherpass", OPT_OTHERPASS, 's',
428 "Pass phrase source potentially needed for loading certificates of others"},
429 #ifndef OPENSSL_NO_ENGINE
430 {"engine", OPT_ENGINE, 's',
431 "Use crypto engine with given identifier, possibly a hardware device."},
432 {OPT_MORE_STR, 0, 0,
433 "Engines may also be defined in OpenSSL config file engine section."},
434 #endif
435 OPT_PROV_OPTIONS,
436 OPT_R_OPTIONS,
437
438 OPT_SECTION("TLS connection"),
439 #ifdef OPENSSL_NO_SOCK
440 {OPT_MORE_STR, 0, 0,
441 "NOTE: -tls_used and all other TLS options not supported due to no-sock build"},
442 #else
443 {"tls_used", OPT_TLS_USED, '-',
444 "Enable using TLS (also when other TLS options are not set)"},
445 {"tls_cert", OPT_TLS_CERT, 's',
446 "Client's TLS certificate. May include chain to be provided to TLS server"},
447 {"tls_key", OPT_TLS_KEY, 's',
448 "Private key for the client's TLS certificate"},
449 {"tls_keypass", OPT_TLS_KEYPASS, 's',
450 "Pass phrase source for the client's private TLS key (and TLS cert)"},
451 {"tls_extra", OPT_TLS_EXTRA, 's',
452 "Extra certificates to provide to TLS server during TLS handshake"},
453 {"tls_trusted", OPT_TLS_TRUSTED, 's',
454 "Trusted certificates to use for verifying the TLS server certificate;"},
455 {OPT_MORE_STR, 0, 0, "this implies host name validation"},
456 {"tls_host", OPT_TLS_HOST, 's',
457 "Address to be checked (rather than -server) during TLS host name validation"},
458 #endif
459
460 OPT_SECTION("Client-side debugging"),
461 {"batch", OPT_BATCH, '-',
462 "Do not interactively prompt for input when a password is required etc."},
463 {"repeat", OPT_REPEAT, 'p',
464 "Invoke the transaction the given positive number of times. Default 1"},
465 {"reqin", OPT_REQIN, 's', "Take sequence of CMP requests from file(s)"},
466 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
467 "Use fresh transactionID for CMP requests read from -reqin"},
468 {"reqout", OPT_REQOUT, 's', "Save sequence of CMP requests to file(s)"},
469 {"rspin", OPT_RSPIN, 's',
470 "Process sequence of CMP responses provided in file(s), skipping server"},
471 {"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
472
473 {"use_mock_srv", OPT_USE_MOCK_SRV, '-',
474 "Use internal mock server at API level, bypassing socket-based HTTP"},
475
476 OPT_SECTION("Mock server"),
477 #ifdef OPENSSL_NO_SOCK
478 {OPT_MORE_STR, 0, 0,
479 "NOTE: -port and -max_msgs not supported due to no-sock build"},
480 #else
481 {"port", OPT_PORT, 's',
482 "Act as HTTP-based mock server listening on given port"},
483 {"max_msgs", OPT_MAX_MSGS, 'N',
484 "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
485 #endif
486
487 {"srv_ref", OPT_SRV_REF, 's',
488 "Reference value to use as senderKID of server in case no -srv_cert is given"},
489 {"srv_secret", OPT_SRV_SECRET, 's',
490 "Password source for server authentication with a pre-shared key (secret)"},
491 {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
492 {"srv_key", OPT_SRV_KEY, 's',
493 "Private key used by the server for signing messages"},
494 {"srv_keypass", OPT_SRV_KEYPASS, 's',
495 "Server private key (and cert) pass phrase source"},
496
497 {"srv_trusted", OPT_SRV_TRUSTED, 's',
498 "Trusted certificates for client authentication"},
499 {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
500 "Intermediate certs that may be useful for verifying CMP protection"},
501 {"rsp_cert", OPT_RSP_CERT, 's',
502 "Certificate to be returned as mock enrollment result"},
503 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
504 "Extra certificates to be included in mock certification responses"},
505 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
506 "CA certificates to be included in mock ip response"},
507 {"poll_count", OPT_POLL_COUNT, 'N',
508 "Number of times the client must poll before receiving a certificate"},
509 {"check_after", OPT_CHECK_AFTER, 'N',
510 "The check_after value (time to wait) to include in poll response"},
511 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
512 "Grant implicit confirmation of newly enrolled certificate"},
513
514 {"pkistatus", OPT_PKISTATUS, 'N',
515 "PKIStatus to be included in server response. Possible values: 0..6"},
516 {"failure", OPT_FAILURE, 'N',
517 "A single failure info bit number to include in server response, 0..26"},
518 {"failurebits", OPT_FAILUREBITS, 'N',
519 "Number representing failure bits to include in server response, 0..2^27 - 1"},
520 {"statusstring", OPT_STATUSSTRING, 's',
521 "Status string to be included in server response"},
522 {"send_error", OPT_SEND_ERROR, '-',
523 "Force server to reply with error message"},
524 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
525 "Send response messages without CMP-level protection"},
526 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
527 "In case of negative responses, server shall send unprotected error messages,"},
528 {OPT_MORE_STR, 0, 0,
529 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
530 {OPT_MORE_STR, 0, 0,
531 "WARNING: This setting leads to behavior violating RFC 4210"},
532 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
533 "Accept missing or invalid protection of requests"},
534 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
535 "Accept unprotected error messages from client"},
536 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
537 "Accept RAVERIFIED as proof-of-possession (POPO)"},
538
539 OPT_V_OPTIONS,
540 {NULL}
541 };
542
543 typedef union {
544 char **txt;
545 int *num;
546 long *num_long;
547 } varref;
548 static varref cmp_vars[] = { /* must be in same order as enumerated above! */
549 {&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
550
551 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
552
553 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
554 {(char **)&opt_days}, {&opt_reqexts},
555 {&opt_sans}, {(char **)&opt_san_nodefault},
556 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
557 {(char **)&opt_popo}, {&opt_csr},
558 {&opt_out_trusted},
559 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
560 {&opt_certout}, {&opt_chainout},
561
562 {&opt_oldcert}, {(char **)&opt_revreason},
563
564 #ifndef OPENSSL_NO_SOCK
565 {&opt_server}, {&opt_proxy}, {&opt_no_proxy},
566 #endif
567 {&opt_recipient}, {&opt_path}, {(char **)&opt_keep_alive},
568 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
569
570 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
571 {&opt_expect_sender},
572 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
573 {&opt_extracertsout}, {&opt_cacertsout},
574
575 {&opt_ref}, {&opt_secret},
576 {&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
577 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
578 {(char **)&opt_unprotected_requests},
579
580 {&opt_certform_s}, {&opt_keyform_s},
581 {&opt_otherpass},
582 #ifndef OPENSSL_NO_ENGINE
583 {&opt_engine},
584 #endif
585
586 #ifndef OPENSSL_NO_SOCK
587 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
588 {&opt_tls_keypass},
589 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
590 #endif
591
592 {(char **)&opt_batch}, {(char **)&opt_repeat},
593 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
594 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
595
596 {(char **)&opt_use_mock_srv},
597 #ifndef OPENSSL_NO_SOCK
598 {&opt_port}, {(char **)&opt_max_msgs},
599 #endif
600 {&opt_srv_ref}, {&opt_srv_secret},
601 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
602 {&opt_srv_trusted}, {&opt_srv_untrusted},
603 {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
604 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
605 {(char **)&opt_grant_implicitconf},
606 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
607 {(char **)&opt_failurebits}, {&opt_statusstring},
608 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
609 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
610 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
611
612 {NULL}
613 };
614
615 #define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
616 ? "CMP" : OPENSSL_FUNC)
617 #define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
618 ((void)(level > opt_verbosity ? 0 : \
619 (BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
620 FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
621 #define CMP_DEBUG(m, a1, a2, a3) \
622 CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
623 #define CMP_debug(msg) CMP_DEBUG(msg"%s%s%s", "", "", "")
624 #define CMP_debug1(msg, a1) CMP_DEBUG(msg"%s%s", a1, "", "")
625 #define CMP_debug2(msg, a1, a2) CMP_DEBUG(msg"%s", a1, a2, "")
626 #define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg, a1, a2, a3)
627 #define CMP_INFO(msg, a1, a2, a3) \
628 CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
629 #define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
630 #define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
631 #define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
632 #define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
633 #define CMP_WARN(m, a1, a2, a3) \
634 CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
635 #define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
636 #define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
637 #define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
638 #define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
639 #define CMP_ERR(msg, a1, a2, a3) \
640 CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
641 #define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
642 #define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
643 #define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
644 #define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
645
print_to_bio_out(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)646 static int print_to_bio_out(const char *func, const char *file, int line,
647 OSSL_CMP_severity level, const char *msg)
648 {
649 return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
650 }
651
print_to_bio_err(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)652 static int print_to_bio_err(const char *func, const char *file, int line,
653 OSSL_CMP_severity level, const char *msg)
654 {
655 return OSSL_CMP_print_to_bio(bio_err, func, file, line, level, msg);
656 }
657
set_verbosity(int level)658 static int set_verbosity(int level)
659 {
660 if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
661 CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
662 return 0;
663 }
664 opt_verbosity = level;
665 return 1;
666 }
667
load_key_pwd(const char * uri,int format,const char * pass,ENGINE * eng,const char * desc)668 static EVP_PKEY *load_key_pwd(const char *uri, int format,
669 const char *pass, ENGINE *eng, const char *desc)
670 {
671 char *pass_string = get_passwd(pass, desc);
672 EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
673
674 clear_free(pass_string);
675 return pkey;
676 }
677
load_cert_pwd(const char * uri,const char * pass,const char * desc)678 static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
679 {
680 X509 *cert;
681 char *pass_string = get_passwd(pass, desc);
682
683 cert = load_cert_pass(uri, FORMAT_UNDEF, 0, pass_string, desc);
684 clear_free(pass_string);
685 return cert;
686 }
687
load_csr_autofmt(const char * infile,const char * desc)688 static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
689 {
690 X509_REQ *csr;
691 BIO *bio_bak = bio_err;
692
693 bio_err = NULL; /* do not show errors on more than one try */
694 csr = load_csr(infile, FORMAT_PEM, desc);
695 bio_err = bio_bak;
696 if (csr == NULL) {
697 ERR_clear_error();
698 csr = load_csr(infile, FORMAT_ASN1, desc);
699 }
700 if (csr == NULL) {
701 ERR_print_errors(bio_err);
702 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
703 infile);
704 } else {
705 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
706 int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */);
707
708 if (pkey == NULL || ret < 0)
709 CMP_warn("error while verifying CSR self-signature");
710 else if (ret == 0)
711 CMP_warn("CSR self-signature does not match the contents");
712 }
713 return csr;
714 }
715
716 /* set expected host name/IP addr and clears the email addr in the given ts */
truststore_set_host_etc(X509_STORE * ts,const char * host)717 static int truststore_set_host_etc(X509_STORE *ts, const char *host)
718 {
719 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
720
721 /* first clear any host names, IP, and email addresses */
722 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
723 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
724 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
725 return 0;
726 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
727 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
728 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
729 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
730 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
731 }
732
733 /* write OSSL_CMP_MSG DER-encoded to the specified file name item */
write_PKIMESSAGE(const OSSL_CMP_MSG * msg,char ** filenames)734 static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
735 {
736 char *file;
737
738 if (msg == NULL || filenames == NULL) {
739 CMP_err("NULL arg to write_PKIMESSAGE");
740 return 0;
741 }
742 if (*filenames == NULL) {
743 CMP_err("not enough file names provided for writing PKIMessage");
744 return 0;
745 }
746
747 file = *filenames;
748 *filenames = next_item(file);
749 if (OSSL_CMP_MSG_write(file, msg) < 0) {
750 CMP_err1("cannot write PKIMessage to file '%s'", file);
751 return 0;
752 }
753 return 1;
754 }
755
756 /* read DER-encoded OSSL_CMP_MSG from the specified file name item */
read_PKIMESSAGE(char ** filenames)757 static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
758 {
759 char *file;
760 OSSL_CMP_MSG *ret;
761
762 if (filenames == NULL) {
763 CMP_err("NULL arg to read_PKIMESSAGE");
764 return NULL;
765 }
766 if (*filenames == NULL) {
767 CMP_err("not enough file names provided for reading PKIMessage");
768 return NULL;
769 }
770
771 file = *filenames;
772 *filenames = next_item(file);
773
774 ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq());
775 if (ret == NULL)
776 CMP_err1("cannot read PKIMessage from file '%s'", file);
777 return ret;
778 }
779
780 /*-
781 * Sends the PKIMessage req and on success place the response in *res
782 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
783 * to dump the sequence of requests and responses to files and/or
784 * to take the sequence of requests and responses from files.
785 */
read_write_req_resp(OSSL_CMP_CTX * ctx,const OSSL_CMP_MSG * req)786 static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
787 const OSSL_CMP_MSG *req)
788 {
789 OSSL_CMP_MSG *req_new = NULL;
790 OSSL_CMP_MSG *res = NULL;
791 OSSL_CMP_PKIHEADER *hdr;
792 const char *prev_opt_rspin = opt_rspin;
793
794 if (req != NULL && opt_reqout != NULL
795 && !write_PKIMESSAGE(req, &opt_reqout))
796 goto err;
797 if (opt_reqin != NULL && opt_rspin == NULL) {
798 if ((req_new = read_PKIMESSAGE(&opt_reqin)) == NULL)
799 goto err;
800 /*-
801 * The transaction ID in req_new read from opt_reqin may not be fresh.
802 * In this case the server may complain "Transaction id already in use."
803 * The following workaround unfortunately requires re-protection.
804 */
805 if (opt_reqin_new_tid
806 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
807 goto err;
808 }
809
810 if (opt_rspin != NULL) {
811 res = read_PKIMESSAGE(&opt_rspin);
812 } else {
813 const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
814
815 res = opt_use_mock_srv
816 ? OSSL_CMP_CTX_server_perform(ctx, actual_req)
817 : OSSL_CMP_MSG_http_perform(ctx, actual_req);
818 }
819 if (res == NULL)
820 goto err;
821
822 if (opt_reqin != NULL || prev_opt_rspin != NULL) {
823 /* need to satisfy nonce and transactionID checks */
824 ASN1_OCTET_STRING *nonce;
825 ASN1_OCTET_STRING *tid;
826
827 hdr = OSSL_CMP_MSG_get0_header(res);
828 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
829 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
830 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
831 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
832 OSSL_CMP_MSG_free(res);
833 res = NULL;
834 goto err;
835 }
836 }
837
838 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
839 OSSL_CMP_MSG_free(res);
840 res = NULL;
841 }
842
843 err:
844 OSSL_CMP_MSG_free(req_new);
845 return res;
846 }
847
set_name(const char * str,int (* set_fn)(OSSL_CMP_CTX * ctx,const X509_NAME * name),OSSL_CMP_CTX * ctx,const char * desc)848 static int set_name(const char *str,
849 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
850 OSSL_CMP_CTX *ctx, const char *desc)
851 {
852 if (str != NULL) {
853 X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
854
855 if (n == NULL)
856 return 0;
857 if (!(*set_fn) (ctx, n)) {
858 X509_NAME_free(n);
859 CMP_err("out of memory");
860 return 0;
861 }
862 X509_NAME_free(n);
863 }
864 return 1;
865 }
866
set_gennames(OSSL_CMP_CTX * ctx,char * names,const char * desc)867 static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
868 {
869 char *next;
870
871 for (; names != NULL; names = next) {
872 GENERAL_NAME *n;
873
874 next = next_item(names);
875 if (strcmp(names, "critical") == 0) {
876 (void)OSSL_CMP_CTX_set_option(ctx,
877 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
878 1);
879 continue;
880 }
881
882 /* try IP address first, then URI or domain name */
883 (void)ERR_set_mark();
884 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
885 if (n == NULL)
886 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
887 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
888 names, 0);
889 (void)ERR_pop_to_mark();
890
891 if (n == NULL) {
892 CMP_err2("bad syntax of %s '%s'", desc, names);
893 return 0;
894 }
895 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
896 GENERAL_NAME_free(n);
897 CMP_err("out of memory");
898 return 0;
899 }
900 GENERAL_NAME_free(n);
901 }
902 return 1;
903 }
904
load_trusted(char * input,int for_new_cert,const char * desc)905 static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
906 {
907 X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
908
909 if (ts == NULL)
910 return NULL;
911 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
912
913 /* copy vpm to store */
914 if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
915 && (for_new_cert || truststore_set_host_etc(ts, NULL)))
916 return ts;
917 BIO_printf(bio_err, "error setting verification parameters for %s\n", desc);
918 OSSL_CMP_CTX_print_errors(cmp_ctx);
919 X509_STORE_free(ts);
920 return NULL;
921 }
922
923 typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
924
setup_certs(char * files,const char * desc,void * ctx,add_X509_stack_fn_t set1_fn)925 static int setup_certs(char *files, const char *desc, void *ctx,
926 add_X509_stack_fn_t set1_fn)
927 {
928 STACK_OF(X509) *certs;
929 int ok;
930
931 if (files == NULL)
932 return 1;
933 if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL)
934 return 0;
935 ok = (*set1_fn)(ctx, certs);
936 sk_X509_pop_free(certs, X509_free);
937 return ok;
938 }
939
940
941 /*
942 * parse and transform some options, checking their syntax.
943 * Returns 1 on success, 0 on error
944 */
transform_opts(void)945 static int transform_opts(void)
946 {
947 if (opt_cmd_s != NULL) {
948 if (!strcmp(opt_cmd_s, "ir")) {
949 opt_cmd = CMP_IR;
950 } else if (!strcmp(opt_cmd_s, "kur")) {
951 opt_cmd = CMP_KUR;
952 } else if (!strcmp(opt_cmd_s, "cr")) {
953 opt_cmd = CMP_CR;
954 } else if (!strcmp(opt_cmd_s, "p10cr")) {
955 opt_cmd = CMP_P10CR;
956 } else if (!strcmp(opt_cmd_s, "rr")) {
957 opt_cmd = CMP_RR;
958 } else if (!strcmp(opt_cmd_s, "genm")) {
959 opt_cmd = CMP_GENM;
960 } else {
961 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
962 return 0;
963 }
964 } else {
965 CMP_err("no cmp command to execute");
966 return 0;
967 }
968
969 #ifndef OPENSSL_NO_ENGINE
970 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
971 #else
972 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
973 #endif
974
975 if (opt_keyform_s != NULL
976 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
977 CMP_err("unknown option given for key loading format");
978 return 0;
979 }
980
981 #undef FORMAT_OPTIONS
982
983 if (opt_certform_s != NULL
984 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
985 CMP_err("unknown option given for certificate storing format");
986 return 0;
987 }
988
989 return 1;
990 }
991
setup_srv_ctx(ENGINE * engine)992 static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
993 {
994 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
995 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new(app_get0_libctx(),
996 app_get0_propq());
997
998 if (srv_ctx == NULL)
999 return NULL;
1000 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1001
1002 if (opt_srv_ref == NULL) {
1003 if (opt_srv_cert == NULL) {
1004 /* opt_srv_cert should determine the sender */
1005 CMP_err("must give -srv_ref for mock server if no -srv_cert given");
1006 goto err;
1007 }
1008 } else {
1009 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1010 strlen(opt_srv_ref)))
1011 goto err;
1012 }
1013
1014 if (opt_srv_secret != NULL) {
1015 int res;
1016 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of mock server");
1017
1018 if (pass_str != NULL) {
1019 cleanse(opt_srv_secret);
1020 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1021 strlen(pass_str));
1022 clear_free(pass_str);
1023 if (res == 0)
1024 goto err;
1025 }
1026 } else if (opt_srv_cert == NULL) {
1027 CMP_err("mock server credentials must be given if -use_mock_srv or -port is used");
1028 goto err;
1029 } else {
1030 CMP_warn("mock server will not be able to handle PBM-protected requests since -srv_secret is not given");
1031 }
1032
1033 if (opt_srv_secret == NULL
1034 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1035 CMP_err("must give both -srv_cert and -srv_key options or neither");
1036 goto err;
1037 }
1038 if (opt_srv_cert != NULL) {
1039 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1040 "certificate of the mock server");
1041
1042 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
1043 X509_free(srv_cert);
1044 goto err;
1045 }
1046 X509_free(srv_cert);
1047 }
1048 if (opt_srv_key != NULL) {
1049 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1050 opt_srv_keypass,
1051 engine, "private key for mock server cert");
1052
1053 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1054 EVP_PKEY_free(pkey);
1055 goto err;
1056 }
1057 EVP_PKEY_free(pkey);
1058 }
1059 cleanse(opt_srv_keypass);
1060
1061 if (opt_srv_trusted != NULL) {
1062 X509_STORE *ts =
1063 load_trusted(opt_srv_trusted, 0, "certs trusted by mock server");
1064
1065 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1066 X509_STORE_free(ts);
1067 goto err;
1068 }
1069 } else {
1070 CMP_warn("mock server will not be able to handle signature-protected requests since -srv_trusted is not given");
1071 }
1072 if (!setup_certs(opt_srv_untrusted,
1073 "untrusted certificates for mock server", ctx,
1074 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1075 goto err;
1076
1077 if (opt_rsp_cert == NULL) {
1078 CMP_warn("no -rsp_cert given for mock server");
1079 } else {
1080 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1081 "cert to be returned by the mock server");
1082
1083 if (cert == NULL)
1084 goto err;
1085 /* from server perspective the server is the client */
1086 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1087 X509_free(cert);
1088 goto err;
1089 }
1090 X509_free(cert);
1091 }
1092 if (!setup_certs(opt_rsp_extracerts,
1093 "CMP extra certificates for mock server", srv_ctx,
1094 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut))
1095 goto err;
1096 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1097 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut))
1098 goto err;
1099 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1100 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1101 if (opt_grant_implicitconf)
1102 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1103
1104 if (opt_failure != INT_MIN) { /* option has been set explicity */
1105 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1106 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1107 OSSL_CMP_PKIFAILUREINFO_MAX);
1108 goto err;
1109 }
1110 if (opt_failurebits != 0)
1111 CMP_warn("-failurebits overrides -failure");
1112 else
1113 opt_failurebits = 1 << opt_failure;
1114 }
1115 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1116 CMP_err("-failurebits out of range");
1117 goto err;
1118 }
1119 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1120 opt_failurebits, opt_statusstring))
1121 goto err;
1122
1123 if (opt_send_error)
1124 (void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
1125
1126 if (opt_send_unprotected)
1127 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1128 if (opt_send_unprot_err)
1129 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1130 if (opt_accept_unprotected)
1131 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1132 if (opt_accept_unprot_err)
1133 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1134 if (opt_accept_raverified)
1135 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1136
1137 return srv_ctx;
1138
1139 err:
1140 ossl_cmp_mock_srv_free(srv_ctx);
1141 return NULL;
1142 }
1143
1144 /*
1145 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1146 * Returns pointer on success, NULL on error
1147 */
setup_verification_ctx(OSSL_CMP_CTX * ctx)1148 static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1149 {
1150 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1151 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1152 return 0;
1153
1154 if (opt_srvcert != NULL || opt_trusted != NULL) {
1155 X509 *srvcert;
1156 X509_STORE *ts;
1157 int ok;
1158
1159 if (opt_srvcert != NULL) {
1160 if (opt_trusted != NULL) {
1161 CMP_warn("-trusted option is ignored since -srvcert option is present");
1162 opt_trusted = NULL;
1163 }
1164 if (opt_recipient != NULL) {
1165 CMP_warn("-recipient option is ignored since -srvcert option is present");
1166 opt_recipient = NULL;
1167 }
1168 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1169 "directly trusted CMP server certificate");
1170 ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert);
1171 X509_free(srvcert);
1172 if (!ok)
1173 return 0;
1174 }
1175 if (opt_trusted != NULL) {
1176 /*
1177 * the 0 arg below clears any expected host/ip/email address;
1178 * opt_expect_sender is used instead
1179 */
1180 ts = load_trusted(opt_trusted, 0, "certs trusted by client");
1181
1182 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1183 X509_STORE_free(ts);
1184 return 0;
1185 }
1186 }
1187 }
1188
1189 if (opt_ignore_keyusage)
1190 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1191
1192 if (opt_unprotected_errors)
1193 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1194
1195 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1196 X509_VERIFY_PARAM *out_vpm = NULL;
1197 X509_STORE *out_trusted =
1198 load_trusted(opt_out_trusted, 1,
1199 "trusted certs for verifying newly enrolled cert");
1200
1201 if (out_trusted == NULL)
1202 return 0;
1203 /* ignore any -attime here, new certs are current anyway */
1204 out_vpm = X509_STORE_get0_param(out_trusted);
1205 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1206
1207 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1208 }
1209
1210 if (opt_disable_confirm)
1211 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1212
1213 if (opt_implicit_confirm)
1214 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1215
1216 return 1;
1217 }
1218
1219 #ifndef OPENSSL_NO_SOCK
1220 /*
1221 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1222 * Returns pointer on success, NULL on error
1223 */
setup_ssl_ctx(OSSL_CMP_CTX * ctx,const char * host,ENGINE * engine)1224 static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, const char *host,
1225 ENGINE *engine)
1226 {
1227 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(ctx);
1228 EVP_PKEY *pkey = NULL;
1229 X509_STORE *trust_store = NULL;
1230 SSL_CTX *ssl_ctx;
1231 int i;
1232
1233 ssl_ctx = SSL_CTX_new(TLS_client_method());
1234 if (ssl_ctx == NULL)
1235 return NULL;
1236
1237 if (opt_tls_trusted != NULL) {
1238 trust_store = load_trusted(opt_tls_trusted, 0, "trusted TLS certs");
1239 if (trust_store == NULL)
1240 goto err;
1241 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1242 }
1243
1244 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1245 X509 *cert;
1246 STACK_OF(X509) *certs = NULL;
1247 int ok;
1248
1249 if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass,
1250 "TLS client certificate (optionally with chain)",
1251 vpm))
1252 /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */
1253 goto err;
1254
1255 ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0;
1256 X509_free(cert);
1257
1258 /*
1259 * Any further certs and any untrusted certs are used for constructing
1260 * the chain to be provided with the TLS client cert to the TLS server.
1261 */
1262 if (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) {
1263 CMP_err1("unable to use client TLS certificate file '%s'",
1264 opt_tls_cert);
1265 sk_X509_pop_free(certs, X509_free);
1266 goto err;
1267 }
1268 for (i = 0; i < sk_X509_num(untrusted); i++) {
1269 cert = sk_X509_value(untrusted, i);
1270 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1271 CMP_err("could not add untrusted cert to TLS client cert chain");
1272 goto err;
1273 }
1274 }
1275
1276 {
1277 X509_VERIFY_PARAM *tls_vpm = NULL;
1278 unsigned long bak_flags = 0; /* compiler warns without init */
1279
1280 if (trust_store != NULL) {
1281 tls_vpm = X509_STORE_get0_param(trust_store);
1282 bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm);
1283 /* disable any cert status/revocation checking etc. */
1284 X509_VERIFY_PARAM_clear_flags(tls_vpm,
1285 ~(X509_V_FLAG_USE_CHECK_TIME
1286 | X509_V_FLAG_NO_CHECK_TIME));
1287 }
1288 CMP_debug("trying to build cert chain for own TLS cert");
1289 if (SSL_CTX_build_cert_chain(ssl_ctx,
1290 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1291 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1292 CMP_debug("success building cert chain for own TLS cert");
1293 } else {
1294 OSSL_CMP_CTX_print_errors(ctx);
1295 CMP_warn("could not build cert chain for own TLS cert");
1296 }
1297 if (trust_store != NULL)
1298 X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags);
1299 }
1300
1301 /* If present we append to the list also the certs from opt_tls_extra */
1302 if (opt_tls_extra != NULL) {
1303 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1304 opt_otherpass,
1305 "extra certificates for TLS",
1306 vpm);
1307 int res = 1;
1308
1309 if (tls_extra == NULL)
1310 goto err;
1311 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1312 cert = sk_X509_value(tls_extra, i);
1313 if (res != 0)
1314 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1315 if (res == 0)
1316 X509_free(cert);
1317 }
1318 sk_X509_free(tls_extra);
1319 if (res == 0) {
1320 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1321 goto err;
1322 }
1323 }
1324
1325 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1326 engine, "TLS client private key");
1327 cleanse(opt_tls_keypass);
1328 if (pkey == NULL)
1329 goto err;
1330 /*
1331 * verify the key matches the cert,
1332 * not using SSL_CTX_check_private_key(ssl_ctx)
1333 * because it gives poor and sometimes misleading diagnostics
1334 */
1335 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1336 pkey)) {
1337 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1338 opt_tls_key, opt_tls_cert);
1339 EVP_PKEY_free(pkey);
1340 pkey = NULL; /* otherwise, for some reason double free! */
1341 goto err;
1342 }
1343 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1344 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1345 EVP_PKEY_free(pkey);
1346 pkey = NULL; /* otherwise, for some reason double free! */
1347 goto err;
1348 }
1349 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1350 }
1351 if (opt_tls_trusted != NULL) {
1352 /* enable and parameterize server hostname/IP address check */
1353 if (!truststore_set_host_etc(trust_store,
1354 opt_tls_host != NULL ? opt_tls_host : host))
1355 goto err;
1356 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1357 }
1358 return ssl_ctx;
1359 err:
1360 SSL_CTX_free(ssl_ctx);
1361 return NULL;
1362 }
1363 #endif /* OPENSSL_NO_SOCK */
1364
1365 /*
1366 * set up protection aspects of OSSL_CMP_CTX based on options from config
1367 * file/CLI while parsing options and checking their consistency.
1368 * Returns 1 on success, 0 on error
1369 */
setup_protection_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1370 static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1371 {
1372 if (!opt_unprotected_requests && opt_secret == NULL && opt_key == NULL) {
1373 CMP_err("must give -key or -secret unless -unprotected_requests is used");
1374 return 0;
1375 }
1376
1377 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1378 /* cert or subject should determine the sender */
1379 CMP_err("must give -ref if no -cert and no -subject given");
1380 return 0;
1381 }
1382 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1383 CMP_err("must give both -cert and -key options or neither");
1384 return 0;
1385 }
1386 if (opt_secret != NULL) {
1387 char *pass_string = get_passwd(opt_secret, "PBMAC");
1388 int res;
1389
1390 if (pass_string != NULL) {
1391 cleanse(opt_secret);
1392 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1393 (unsigned char *)pass_string,
1394 strlen(pass_string));
1395 clear_free(pass_string);
1396 if (res == 0)
1397 return 0;
1398 }
1399 if (opt_cert != NULL || opt_key != NULL)
1400 CMP_warn("-cert and -key not used for protection since -secret is given");
1401 }
1402 if (opt_ref != NULL
1403 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1404 strlen(opt_ref)))
1405 return 0;
1406
1407 if (opt_key != NULL) {
1408 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1409 "private key for CMP client certificate");
1410
1411 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1412 EVP_PKEY_free(pkey);
1413 return 0;
1414 }
1415 EVP_PKEY_free(pkey);
1416 }
1417 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL)
1418 CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert");
1419
1420 if (opt_cert != NULL) {
1421 X509 *cert;
1422 STACK_OF(X509) *certs = NULL;
1423 X509_STORE *own_trusted = NULL;
1424 int ok;
1425
1426 if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass,
1427 "CMP client certificate (optionally with chain)",
1428 vpm))
1429 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1430 return 0;
1431 ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1432 X509_free(cert);
1433 if (!ok) {
1434 CMP_err("out of memory");
1435 } else {
1436 if (opt_own_trusted != NULL) {
1437 own_trusted = load_trusted(opt_own_trusted, 0,
1438 "trusted certs for verifying own CMP signer cert");
1439 ok = own_trusted != NULL;
1440 }
1441 ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs);
1442 }
1443 X509_STORE_free(own_trusted);
1444 sk_X509_pop_free(certs, X509_free);
1445 if (!ok)
1446 return 0;
1447 } else if (opt_own_trusted != NULL) {
1448 CMP_warn("-own_trusted option is ignored without -cert");
1449 }
1450
1451 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1452 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut))
1453 return 0;
1454 cleanse(opt_otherpass);
1455
1456 if (opt_unprotected_requests)
1457 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1458
1459 if (opt_digest != NULL) {
1460 int digest = OBJ_ln2nid(opt_digest);
1461
1462 if (digest == NID_undef) {
1463 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1464 return 0;
1465 }
1466 if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest)
1467 || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) {
1468 CMP_err1("digest algorithm name not supported: '%s'", opt_digest);
1469 return 0;
1470 }
1471 }
1472
1473 if (opt_mac != NULL) {
1474 int mac = OBJ_ln2nid(opt_mac);
1475 if (mac == NID_undef) {
1476 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1477 return 0;
1478 }
1479 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1480 }
1481 return 1;
1482 }
1483
1484 /*
1485 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1486 * based on options from config file/CLI.
1487 * Returns pointer on success, NULL on error
1488 */
setup_request_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1489 static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1490 {
1491 X509_REQ *csr = NULL;
1492 X509_EXTENSIONS *exts = NULL;
1493 X509V3_CTX ext_ctx;
1494
1495 if (opt_subject == NULL
1496 && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL
1497 && opt_cmd != CMP_RR && opt_cmd != CMP_GENM)
1498 CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback");
1499
1500 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
1501 if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
1502 CMP_err("missing -newkey (or -key) to be certified and no -csr given");
1503 return 0;
1504 }
1505 if (opt_certout == NULL) {
1506 CMP_err("-certout not given, nowhere to save newly enrolled certificate");
1507 return 0;
1508 }
1509 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1510 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1511 return 0;
1512 } else {
1513 const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'";
1514
1515 if (opt_subject != NULL) {
1516 if (opt_ref == NULL && opt_cert == NULL) {
1517 /* use subject as default sender unless oldcert subject is used */
1518 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject"))
1519 return 0;
1520 } else {
1521 CMP_warn1("-subject %s since -ref or -cert is given", msg);
1522 }
1523 }
1524 if (opt_issuer != NULL)
1525 CMP_warn1("-issuer %s", msg);
1526 if (opt_reqexts != NULL)
1527 CMP_warn1("-reqexts %s", msg);
1528 if (opt_san_nodefault)
1529 CMP_warn1("-san_nodefault %s", msg);
1530 if (opt_sans != NULL)
1531 CMP_warn1("-sans %s", msg);
1532 if (opt_policies != NULL)
1533 CMP_warn1("-policies %s", msg);
1534 if (opt_policy_oids != NULL)
1535 CMP_warn1("-policy_oids %s", msg);
1536 }
1537 if (opt_cmd == CMP_KUR) {
1538 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
1539
1540 if (ref_cert == NULL && opt_csr == NULL) {
1541 CMP_err("missing -oldcert for certificate to be updated and no -csr given");
1542 return 0;
1543 }
1544 if (opt_subject != NULL)
1545 CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR",
1546 opt_subject, ref_cert != NULL ? ref_cert : opt_csr);
1547 }
1548 if (opt_cmd == CMP_RR) {
1549 if (opt_oldcert == NULL && opt_csr == NULL) {
1550 CMP_err("missing -oldcert for certificate to be revoked and no -csr given");
1551 return 0;
1552 }
1553 if (opt_oldcert != NULL && opt_csr != NULL)
1554 CMP_warn("ignoring -csr since certificate to be revoked is given");
1555 }
1556 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
1557 CMP_err("missing PKCS#10 CSR for p10cr");
1558 return 0;
1559 }
1560
1561 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
1562 && opt_oldcert == NULL && opt_cert == NULL)
1563 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
1564
1565 if (opt_cmd == CMP_P10CR || opt_cmd == CMP_RR) {
1566 const char *msg = "option is ignored for 'p10cr' and 'rr' commands";
1567
1568 if (opt_newkeypass != NULL)
1569 CMP_warn1("-newkeytype %s", msg);
1570 if (opt_newkey != NULL)
1571 CMP_warn1("-newkey %s", msg);
1572 if (opt_days != 0)
1573 CMP_warn1("-days %s", msg);
1574 if (opt_popo != OSSL_CRMF_POPO_NONE - 1)
1575 CMP_warn1("-popo %s", msg);
1576 } else if (opt_newkey != NULL) {
1577 const char *file = opt_newkey;
1578 const int format = opt_keyform;
1579 const char *pass = opt_newkeypass;
1580 const char *desc = "new private key for cert to be enrolled";
1581 EVP_PKEY *pkey;
1582 int priv = 1;
1583 BIO *bio_bak = bio_err;
1584
1585 bio_err = NULL; /* suppress diagnostics on first try loading key */
1586 pkey = load_key_pwd(file, format, pass, engine, desc);
1587 bio_err = bio_bak;
1588 if (pkey == NULL) {
1589 ERR_clear_error();
1590 desc = opt_csr == NULL
1591 ? "fallback public key for cert to be enrolled"
1592 : "public key for checking cert resulting from p10cr";
1593 pkey = load_pubkey(file, format, 0, pass, engine, desc);
1594 priv = 0;
1595 }
1596 cleanse(opt_newkeypass);
1597 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1598 EVP_PKEY_free(pkey);
1599 return 0;
1600 }
1601 }
1602
1603 if (opt_days > 0
1604 && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1605 opt_days)) {
1606 CMP_err("could not set requested cert validity period");
1607 return 0;
1608 }
1609
1610 if (opt_policies != NULL && opt_policy_oids != NULL) {
1611 CMP_err("cannot have policies both via -policies and via -policy_oids");
1612 return 0;
1613 }
1614
1615 if (opt_csr != NULL) {
1616 if (opt_cmd == CMP_GENM) {
1617 CMP_warn("-csr option is ignored for command 'genm'");
1618 } else {
1619 if ((csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR")) == NULL)
1620 return 0;
1621 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr))
1622 goto oom;
1623 }
1624 }
1625 if (opt_reqexts != NULL || opt_policies != NULL) {
1626 if ((exts = sk_X509_EXTENSION_new_null()) == NULL)
1627 goto oom;
1628 X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE);
1629 X509V3_set_nconf(&ext_ctx, conf);
1630 if (opt_reqexts != NULL
1631 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1632 CMP_err1("cannot load certificate request extension section '%s'",
1633 opt_reqexts);
1634 goto exts_err;
1635 }
1636 if (opt_policies != NULL
1637 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1638 CMP_err1("cannot load policy cert request extension section '%s'",
1639 opt_policies);
1640 goto exts_err;
1641 }
1642 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1643 }
1644 X509_REQ_free(csr);
1645 /* After here, must not goto oom/exts_err */
1646
1647 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1648 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1649 return 0;
1650 }
1651 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1652 return 0;
1653
1654 if (opt_san_nodefault) {
1655 if (opt_sans != NULL)
1656 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1657 (void)OSSL_CMP_CTX_set_option(ctx,
1658 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1659 }
1660
1661 if (opt_policy_oids_critical) {
1662 if (opt_policy_oids == NULL)
1663 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1664 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1665 }
1666
1667 while (opt_policy_oids != NULL) {
1668 ASN1_OBJECT *policy;
1669 POLICYINFO *pinfo;
1670 char *next = next_item(opt_policy_oids);
1671
1672 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1673 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1674 return 0;
1675 }
1676
1677 if ((pinfo = POLICYINFO_new()) == NULL) {
1678 ASN1_OBJECT_free(policy);
1679 return 0;
1680 }
1681 pinfo->policyid = policy;
1682
1683 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1684 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1685 POLICYINFO_free(pinfo);
1686 return 0;
1687 }
1688 opt_policy_oids = next;
1689 }
1690
1691 if (opt_popo >= OSSL_CRMF_POPO_NONE)
1692 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1693
1694 if (opt_oldcert != NULL) {
1695 if (opt_cmd == CMP_GENM) {
1696 CMP_warn("-oldcert option is ignored for command 'genm'");
1697 } else {
1698 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1699 opt_cmd == CMP_KUR ?
1700 "certificate to be updated" :
1701 opt_cmd == CMP_RR ?
1702 "certificate to be revoked" :
1703 "reference certificate (oldcert)");
1704 /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */
1705
1706 if (oldcert == NULL)
1707 return 0;
1708 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1709 X509_free(oldcert);
1710 CMP_err("out of memory");
1711 return 0;
1712 }
1713 X509_free(oldcert);
1714 }
1715 }
1716 cleanse(opt_keypass);
1717 if (opt_revreason > CRL_REASON_NONE)
1718 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1719 opt_revreason);
1720
1721 return 1;
1722
1723 oom:
1724 CMP_err("out of memory");
1725 exts_err:
1726 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1727 X509_REQ_free(csr);
1728 return 0;
1729 }
1730
handle_opt_geninfo(OSSL_CMP_CTX * ctx)1731 static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1732 {
1733 long value;
1734 ASN1_OBJECT *type;
1735 ASN1_INTEGER *aint;
1736 ASN1_TYPE *val;
1737 OSSL_CMP_ITAV *itav;
1738 char *endstr;
1739 char *valptr = strchr(opt_geninfo, ':');
1740
1741 if (valptr == NULL) {
1742 CMP_err("missing ':' in -geninfo option");
1743 return 0;
1744 }
1745 valptr[0] = '\0';
1746 valptr++;
1747
1748 if (OPENSSL_strncasecmp(valptr, "int:", 4) != 0) {
1749 CMP_err("missing 'int:' in -geninfo option");
1750 return 0;
1751 }
1752 valptr += 4;
1753
1754 value = strtol(valptr, &endstr, 10);
1755 if (endstr == valptr || *endstr != '\0') {
1756 CMP_err("cannot parse int in -geninfo option");
1757 return 0;
1758 }
1759
1760 type = OBJ_txt2obj(opt_geninfo, 1);
1761 if (type == NULL) {
1762 CMP_err("cannot parse OID in -geninfo option");
1763 return 0;
1764 }
1765
1766 if ((aint = ASN1_INTEGER_new()) == NULL)
1767 goto oom;
1768
1769 val = ASN1_TYPE_new();
1770 if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
1771 ASN1_INTEGER_free(aint);
1772 goto oom;
1773 }
1774 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
1775 itav = OSSL_CMP_ITAV_create(type, val);
1776 if (itav == NULL) {
1777 ASN1_TYPE_free(val);
1778 goto oom;
1779 }
1780
1781 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
1782 OSSL_CMP_ITAV_free(itav);
1783 return 0;
1784 }
1785 return 1;
1786
1787 oom:
1788 ASN1_OBJECT_free(type);
1789 CMP_err("out of memory");
1790 return 0;
1791 }
1792
1793
1794 /*
1795 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
1796 * while parsing options and checking their consistency.
1797 * Prints reason for error to bio_err.
1798 * Returns 1 on success, 0 on error
1799 */
setup_client_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1800 static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1801 {
1802 int ret = 0;
1803 char *host = NULL, *port = NULL, *path = NULL, *used_path = opt_path;
1804 #ifndef OPENSSL_NO_SOCK
1805 int portnum, ssl;
1806 static char server_port[32] = { '\0' };
1807 const char *proxy_host = NULL;
1808 #endif
1809 char server_buf[200] = "mock server";
1810 char proxy_buf[200] = "";
1811
1812 if (!opt_use_mock_srv && opt_rspin == NULL) { /* note: -port is not given */
1813 #ifndef OPENSSL_NO_SOCK
1814 if (opt_server == NULL) {
1815 CMP_err("missing -server or -use_mock_srv or -rspin option");
1816 goto err;
1817 }
1818 #else
1819 CMP_err("missing -use_mock_srv or -rspin option; -server option is not supported due to no-sock build");
1820 goto err;
1821 #endif
1822 }
1823 #ifndef OPENSSL_NO_SOCK
1824 if (opt_server == NULL) {
1825 if (opt_proxy != NULL)
1826 CMP_warn("ignoring -proxy option since -server is not given");
1827 if (opt_no_proxy != NULL)
1828 CMP_warn("ignoring -no_proxy option since -server is not given");
1829 if (opt_tls_used) {
1830 CMP_warn("ignoring -tls_used option since -server is not given");
1831 opt_tls_used = 0;
1832 }
1833 goto set_path;
1834 }
1835 if (!OSSL_HTTP_parse_url(opt_server, &ssl, NULL /* user */, &host, &port,
1836 &portnum, &path, NULL /* q */, NULL /* frag */)) {
1837 CMP_err1("cannot parse -server URL: %s", opt_server);
1838 goto err;
1839 }
1840 if (ssl && !opt_tls_used) {
1841 CMP_err("missing -tls_used option since -server URL indicates https");
1842 goto err;
1843 }
1844
1845 BIO_snprintf(server_port, sizeof(server_port), "%s", port);
1846 if (opt_path == NULL)
1847 used_path = path;
1848 if (!OSSL_CMP_CTX_set1_server(ctx, host)
1849 || !OSSL_CMP_CTX_set_serverPort(ctx, portnum))
1850 goto oom;
1851 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
1852 goto oom;
1853 if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
1854 goto oom;
1855 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s:%s/%s",
1856 opt_tls_used ? "s" : "", host, port,
1857 *used_path == '/' ? used_path + 1 : used_path);
1858
1859 proxy_host = OSSL_HTTP_adapt_proxy(opt_proxy, opt_no_proxy, host, ssl);
1860 if (proxy_host != NULL)
1861 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", proxy_host);
1862
1863 set_path:
1864 #endif
1865
1866 if (!OSSL_CMP_CTX_set1_serverPath(ctx, used_path))
1867 goto oom;
1868 if (!transform_opts())
1869 goto err;
1870
1871 if (opt_infotype_s != NULL) {
1872 char id_buf[100] = "id-it-";
1873
1874 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
1875 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
1876 CMP_err("unknown OID name in -infotype option");
1877 goto err;
1878 }
1879 }
1880
1881 if (!setup_verification_ctx(ctx))
1882 goto err;
1883
1884 if (opt_keep_alive != 1)
1885 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_KEEP_ALIVE,
1886 opt_keep_alive);
1887 if (opt_total_timeout > 0 && opt_msg_timeout > 0
1888 && opt_total_timeout < opt_msg_timeout) {
1889 CMP_err2("-total_timeout argument = %d must not be < %d (-msg_timeout)",
1890 opt_total_timeout, opt_msg_timeout);
1891 goto err;
1892 }
1893 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
1894 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
1895 opt_msg_timeout);
1896 if (opt_total_timeout >= 0)
1897 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
1898 opt_total_timeout);
1899
1900 if (opt_reqin != NULL && opt_rspin != NULL)
1901 CMP_warn("-reqin is ignored since -rspin is present");
1902 if (opt_reqin_new_tid && opt_reqin == NULL)
1903 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
1904 if (opt_reqin != NULL || opt_reqout != NULL
1905 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
1906 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
1907
1908 #ifndef OPENSSL_NO_SOCK
1909 if (opt_tls_used) {
1910 APP_HTTP_TLS_INFO *info;
1911
1912 if (opt_tls_cert != NULL
1913 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
1914 if (opt_tls_key == NULL) {
1915 CMP_err("missing -tls_key option");
1916 goto err;
1917 } else if (opt_tls_cert == NULL) {
1918 CMP_err("missing -tls_cert option");
1919 goto err;
1920 }
1921 }
1922
1923 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
1924 goto err;
1925 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
1926 info->server = opt_server;
1927 info->port = server_port;
1928 /* workaround for callback design flaw, see #17088: */
1929 info->use_proxy = proxy_host != NULL;
1930 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
1931 info->ssl_ctx = setup_ssl_ctx(ctx, host, engine);
1932
1933 if (info->ssl_ctx == NULL)
1934 goto err;
1935 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
1936 }
1937 #endif
1938
1939 if (!setup_protection_ctx(ctx, engine))
1940 goto err;
1941
1942 if (!setup_request_ctx(ctx, engine))
1943 goto err;
1944
1945 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
1946 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
1947 ctx, "expected sender"))
1948 goto err;
1949
1950 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
1951 goto err;
1952
1953 /* not printing earlier, to minimize confusion in case setup fails before */
1954 if (opt_rspin != NULL)
1955 CMP_info("will not contact any server since -rspin is given");
1956 else
1957 CMP_info2("will contact %s%s", server_buf, proxy_buf);
1958
1959 ret = 1;
1960
1961 err:
1962 OPENSSL_free(host);
1963 OPENSSL_free(port);
1964 OPENSSL_free(path);
1965 return ret;
1966 oom:
1967 CMP_err("out of memory");
1968 goto err;
1969 }
1970
1971 /*
1972 * write out the given certificate to the output specified by bio.
1973 * Depending on options use either PEM or DER format.
1974 * Returns 1 on success, 0 on error
1975 */
write_cert(BIO * bio,X509 * cert)1976 static int write_cert(BIO *bio, X509 *cert)
1977 {
1978 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
1979 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
1980 return 1;
1981 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
1982 BIO_printf(bio_err,
1983 "error: unsupported type '%s' for writing certificates\n",
1984 opt_certform_s);
1985 return 0;
1986 }
1987
1988 /*
1989 * If destFile != NULL writes out a stack of certs to the given file.
1990 * In any case frees the certs.
1991 * Depending on options use either PEM or DER format,
1992 * where DER does not make much sense for writing more than one cert!
1993 * Returns number of written certificates on success, -1 on error.
1994 */
save_free_certs(OSSL_CMP_CTX * ctx,STACK_OF (X509)* certs,char * destFile,char * desc)1995 static int save_free_certs(OSSL_CMP_CTX *ctx,
1996 STACK_OF(X509) *certs, char *destFile, char *desc)
1997 {
1998 BIO *bio = NULL;
1999 int i;
2000 int n = sk_X509_num(certs);
2001
2002 if (destFile == NULL)
2003 goto end;
2004 CMP_info3("received %d %s certificate(s), saving to file '%s'",
2005 n, desc, destFile);
2006 if (n > 1 && opt_certform != FORMAT_PEM)
2007 CMP_warn("saving more than one certificate in non-PEM format");
2008
2009 if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
2010 || !BIO_write_filename(bio, (char *)destFile)) {
2011 CMP_err1("could not open file '%s' for writing", destFile);
2012 n = -1;
2013 goto end;
2014 }
2015
2016 for (i = 0; i < n; i++) {
2017 if (!write_cert(bio, sk_X509_value(certs, i))) {
2018 CMP_err1("cannot write certificate to file '%s'", destFile);
2019 n = -1;
2020 goto end;
2021 }
2022 }
2023
2024 end:
2025 BIO_free(bio);
2026 sk_X509_pop_free(certs, X509_free);
2027 return n;
2028 }
2029
print_itavs(STACK_OF (OSSL_CMP_ITAV)* itavs)2030 static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
2031 {
2032 OSSL_CMP_ITAV *itav = NULL;
2033 char buf[128];
2034 int i, r;
2035 int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
2036
2037 if (n == 0) {
2038 CMP_info("genp contains no ITAV");
2039 return;
2040 }
2041
2042 for (i = 0; i < n; i++) {
2043 itav = sk_OSSL_CMP_ITAV_value(itavs, i);
2044 r = OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
2045 if (r < 0)
2046 CMP_err("could not get ITAV details");
2047 else if (r == 0)
2048 CMP_info("genp contains empty ITAV");
2049 else
2050 CMP_info1("genp contains ITAV of type: %s", buf);
2051 }
2052 }
2053
2054 static char opt_item[SECTION_NAME_MAX + 1];
2055 /* get previous name from a comma or space-separated list of names */
prev_item(const char * opt,const char * end)2056 static const char *prev_item(const char *opt, const char *end)
2057 {
2058 const char *beg;
2059 size_t len;
2060
2061 if (end == opt)
2062 return NULL;
2063 beg = end;
2064 while (beg > opt) {
2065 --beg;
2066 if (beg[0] == ',' || isspace(beg[0])) {
2067 ++beg;
2068 break;
2069 }
2070 }
2071 len = end - beg;
2072 if (len > SECTION_NAME_MAX) {
2073 CMP_warn3("using only first %d characters of section name starting with \"%.*s\"",
2074 SECTION_NAME_MAX, SECTION_NAME_MAX, beg);
2075 len = SECTION_NAME_MAX;
2076 }
2077 memcpy(opt_item, beg, len);
2078 opt_item[len] = '\0';
2079 while (beg > opt) {
2080 --beg;
2081 if (beg[0] != ',' && !isspace(beg[0])) {
2082 ++beg;
2083 break;
2084 }
2085 }
2086 return beg;
2087 }
2088
2089 /* get str value for name from a comma-separated hierarchy of config sections */
conf_get_string(const CONF * src_conf,const char * groups,const char * name)2090 static char *conf_get_string(const CONF *src_conf, const char *groups,
2091 const char *name)
2092 {
2093 char *res = NULL;
2094 const char *end = groups + strlen(groups);
2095
2096 while ((end = prev_item(groups, end)) != NULL) {
2097 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2098 return res;
2099 }
2100 return res;
2101 }
2102
2103 /* get long val for name from a comma-separated hierarchy of config sections */
conf_get_number_e(const CONF * conf_,const char * groups,const char * name,long * result)2104 static int conf_get_number_e(const CONF *conf_, const char *groups,
2105 const char *name, long *result)
2106 {
2107 char *str = conf_get_string(conf_, groups, name);
2108 char *tailptr;
2109 long res;
2110
2111 if (str == NULL || *str == '\0')
2112 return 0;
2113
2114 res = strtol(str, &tailptr, 10);
2115 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2116 return 0;
2117
2118 *result = res;
2119 return 1;
2120 }
2121
2122 /*
2123 * use the command line option table to read values from the CMP section
2124 * of openssl.cnf. Defaults are taken from the config file, they can be
2125 * overwritten on the command line.
2126 */
read_config(void)2127 static int read_config(void)
2128 {
2129 unsigned int i;
2130 long num = 0;
2131 char *txt = NULL;
2132 const OPTIONS *opt;
2133 int start_opt = OPT_VERBOSITY - OPT_HELP;
2134 int start_idx = OPT_VERBOSITY - 2;
2135 /*
2136 * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION
2137 * would not make sense within the config file.
2138 */
2139 int n_options = OSSL_NELEM(cmp_options) - 1;
2140
2141 for (opt = &cmp_options[start_opt], i = start_idx;
2142 opt->name != NULL; i++, opt++)
2143 if (!strcmp(opt->name, OPT_SECTION_STR)
2144 || !strcmp(opt->name, OPT_MORE_STR))
2145 n_options--;
2146 OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options
2147 + OPT_PROV__FIRST + 1 - OPT_PROV__LAST
2148 + OPT_R__FIRST + 1 - OPT_R__LAST
2149 + OPT_V__FIRST + 1 - OPT_V__LAST);
2150 for (opt = &cmp_options[start_opt], i = start_idx;
2151 opt->name != NULL; i++, opt++) {
2152 int provider_option = (OPT_PROV__FIRST <= opt->retval
2153 && opt->retval < OPT_PROV__LAST);
2154 int rand_state_option = (OPT_R__FIRST <= opt->retval
2155 && opt->retval < OPT_R__LAST);
2156 int verification_option = (OPT_V__FIRST <= opt->retval
2157 && opt->retval < OPT_V__LAST);
2158
2159 if (strcmp(opt->name, OPT_SECTION_STR) == 0
2160 || strcmp(opt->name, OPT_MORE_STR) == 0) {
2161 i--;
2162 continue;
2163 }
2164 if (provider_option || rand_state_option || verification_option)
2165 i--;
2166 switch (opt->valtype) {
2167 case '-':
2168 case 'p':
2169 case 'n':
2170 case 'N':
2171 case 'l':
2172 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2173 ERR_clear_error();
2174 continue; /* option not provided */
2175 }
2176 if (opt->valtype == 'p' && num <= 0) {
2177 opt_printf_stderr("Non-positive number \"%ld\" for config option -%s\n",
2178 num, opt->name);
2179 return -1;
2180 }
2181 if (opt->valtype == 'N' && num < 0) {
2182 opt_printf_stderr("Negative number \"%ld\" for config option -%s\n",
2183 num, opt->name);
2184 return -1;
2185 }
2186 break;
2187 case 's':
2188 case '>':
2189 case 'M':
2190 txt = conf_get_string(conf, opt_section, opt->name);
2191 if (txt == NULL) {
2192 ERR_clear_error();
2193 continue; /* option not provided */
2194 }
2195 break;
2196 default:
2197 CMP_err2("internal: unsupported type '%c' for option '%s'",
2198 opt->valtype, opt->name);
2199 return 0;
2200 break;
2201 }
2202 if (provider_option || verification_option) {
2203 int conf_argc = 1;
2204 char *conf_argv[3];
2205 char arg1[82];
2206
2207 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2208 conf_argv[0] = prog;
2209 conf_argv[1] = arg1;
2210 if (opt->valtype == '-') {
2211 if (num != 0)
2212 conf_argc = 2;
2213 } else {
2214 conf_argc = 3;
2215 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2216 /* not NULL */
2217 }
2218 if (conf_argc > 1) {
2219 (void)opt_init(conf_argc, conf_argv, cmp_options);
2220
2221 if (provider_option
2222 ? !opt_provider(opt_next())
2223 : !opt_verify(opt_next(), vpm)) {
2224 CMP_err2("for option '%s' in config file section '%s'",
2225 opt->name, opt_section);
2226 return 0;
2227 }
2228 }
2229 } else {
2230 switch (opt->valtype) {
2231 case '-':
2232 case 'p':
2233 case 'n':
2234 case 'N':
2235 if (num < INT_MIN || INT_MAX < num) {
2236 BIO_printf(bio_err,
2237 "integer value out of range for option '%s'\n",
2238 opt->name);
2239 return 0;
2240 }
2241 *cmp_vars[i].num = (int)num;
2242 break;
2243 case 'l':
2244 *cmp_vars[i].num_long = num;
2245 break;
2246 default:
2247 if (txt != NULL && txt[0] == '\0')
2248 txt = NULL; /* reset option on empty string input */
2249 *cmp_vars[i].txt = txt;
2250 break;
2251 }
2252 }
2253 }
2254
2255 return 1;
2256 }
2257
opt_str(void)2258 static char *opt_str(void)
2259 {
2260 char *arg = opt_arg();
2261
2262 if (arg[0] == '\0') {
2263 CMP_warn1("%s option argument is empty string, resetting option",
2264 opt_flag());
2265 arg = NULL;
2266 } else if (arg[0] == '-') {
2267 CMP_warn1("%s option argument starts with hyphen", opt_flag());
2268 }
2269 return arg;
2270 }
2271
2272 /* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
get_opts(int argc,char ** argv)2273 static int get_opts(int argc, char **argv)
2274 {
2275 OPTION_CHOICE o;
2276
2277 prog = opt_init(argc, argv, cmp_options);
2278
2279 while ((o = opt_next()) != OPT_EOF) {
2280 switch (o) {
2281 case OPT_EOF:
2282 case OPT_ERR:
2283 opthelp:
2284 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
2285 return 0;
2286 case OPT_HELP:
2287 opt_help(cmp_options);
2288 return -1;
2289 case OPT_CONFIG: /* has already been handled */
2290 case OPT_SECTION: /* has already been handled */
2291 break;
2292 case OPT_VERBOSITY:
2293 if (!set_verbosity(opt_int_arg()))
2294 goto opthelp;
2295 break;
2296 #ifndef OPENSSL_NO_SOCK
2297 case OPT_SERVER:
2298 opt_server = opt_str();
2299 break;
2300 case OPT_PROXY:
2301 opt_proxy = opt_str();
2302 break;
2303 case OPT_NO_PROXY:
2304 opt_no_proxy = opt_str();
2305 break;
2306 #endif
2307 case OPT_RECIPIENT:
2308 opt_recipient = opt_str();
2309 break;
2310 case OPT_PATH:
2311 opt_path = opt_str();
2312 break;
2313 case OPT_KEEP_ALIVE:
2314 opt_keep_alive = opt_int_arg();
2315 if (opt_keep_alive > 2) {
2316 CMP_err("-keep_alive argument must be 0, 1, or 2");
2317 goto opthelp;
2318 }
2319 break;
2320 case OPT_MSG_TIMEOUT:
2321 opt_msg_timeout = opt_int_arg();
2322 break;
2323 case OPT_TOTAL_TIMEOUT:
2324 opt_total_timeout = opt_int_arg();
2325 break;
2326 #ifndef OPENSSL_NO_SOCK
2327 case OPT_TLS_USED:
2328 opt_tls_used = 1;
2329 break;
2330 case OPT_TLS_CERT:
2331 opt_tls_cert = opt_str();
2332 break;
2333 case OPT_TLS_KEY:
2334 opt_tls_key = opt_str();
2335 break;
2336 case OPT_TLS_KEYPASS:
2337 opt_tls_keypass = opt_str();
2338 break;
2339 case OPT_TLS_EXTRA:
2340 opt_tls_extra = opt_str();
2341 break;
2342 case OPT_TLS_TRUSTED:
2343 opt_tls_trusted = opt_str();
2344 break;
2345 case OPT_TLS_HOST:
2346 opt_tls_host = opt_str();
2347 break;
2348 #endif
2349
2350 case OPT_REF:
2351 opt_ref = opt_str();
2352 break;
2353 case OPT_SECRET:
2354 opt_secret = opt_str();
2355 break;
2356 case OPT_CERT:
2357 opt_cert = opt_str();
2358 break;
2359 case OPT_OWN_TRUSTED:
2360 opt_own_trusted = opt_str();
2361 break;
2362 case OPT_KEY:
2363 opt_key = opt_str();
2364 break;
2365 case OPT_KEYPASS:
2366 opt_keypass = opt_str();
2367 break;
2368 case OPT_DIGEST:
2369 opt_digest = opt_str();
2370 break;
2371 case OPT_MAC:
2372 opt_mac = opt_str();
2373 break;
2374 case OPT_EXTRACERTS:
2375 opt_extracerts = opt_str();
2376 break;
2377 case OPT_UNPROTECTED_REQUESTS:
2378 opt_unprotected_requests = 1;
2379 break;
2380
2381 case OPT_TRUSTED:
2382 opt_trusted = opt_str();
2383 break;
2384 case OPT_UNTRUSTED:
2385 opt_untrusted = opt_str();
2386 break;
2387 case OPT_SRVCERT:
2388 opt_srvcert = opt_str();
2389 break;
2390 case OPT_EXPECT_SENDER:
2391 opt_expect_sender = opt_str();
2392 break;
2393 case OPT_IGNORE_KEYUSAGE:
2394 opt_ignore_keyusage = 1;
2395 break;
2396 case OPT_UNPROTECTED_ERRORS:
2397 opt_unprotected_errors = 1;
2398 break;
2399 case OPT_EXTRACERTSOUT:
2400 opt_extracertsout = opt_str();
2401 break;
2402 case OPT_CACERTSOUT:
2403 opt_cacertsout = opt_str();
2404 break;
2405
2406 case OPT_V_CASES:
2407 if (!opt_verify(o, vpm))
2408 goto opthelp;
2409 break;
2410 case OPT_CMD:
2411 opt_cmd_s = opt_str();
2412 break;
2413 case OPT_INFOTYPE:
2414 opt_infotype_s = opt_str();
2415 break;
2416 case OPT_GENINFO:
2417 opt_geninfo = opt_str();
2418 break;
2419
2420 case OPT_NEWKEY:
2421 opt_newkey = opt_str();
2422 break;
2423 case OPT_NEWKEYPASS:
2424 opt_newkeypass = opt_str();
2425 break;
2426 case OPT_SUBJECT:
2427 opt_subject = opt_str();
2428 break;
2429 case OPT_ISSUER:
2430 opt_issuer = opt_str();
2431 break;
2432 case OPT_DAYS:
2433 opt_days = opt_int_arg();
2434 break;
2435 case OPT_REQEXTS:
2436 opt_reqexts = opt_str();
2437 break;
2438 case OPT_SANS:
2439 opt_sans = opt_str();
2440 break;
2441 case OPT_SAN_NODEFAULT:
2442 opt_san_nodefault = 1;
2443 break;
2444 case OPT_POLICIES:
2445 opt_policies = opt_str();
2446 break;
2447 case OPT_POLICY_OIDS:
2448 opt_policy_oids = opt_str();
2449 break;
2450 case OPT_POLICY_OIDS_CRITICAL:
2451 opt_policy_oids_critical = 1;
2452 break;
2453 case OPT_POPO:
2454 opt_popo = opt_int_arg();
2455 if (opt_popo < OSSL_CRMF_POPO_NONE
2456 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2457 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2458 goto opthelp;
2459 }
2460 break;
2461 case OPT_CSR:
2462 opt_csr = opt_arg();
2463 break;
2464 case OPT_OUT_TRUSTED:
2465 opt_out_trusted = opt_str();
2466 break;
2467 case OPT_IMPLICIT_CONFIRM:
2468 opt_implicit_confirm = 1;
2469 break;
2470 case OPT_DISABLE_CONFIRM:
2471 opt_disable_confirm = 1;
2472 break;
2473 case OPT_CERTOUT:
2474 opt_certout = opt_str();
2475 break;
2476 case OPT_CHAINOUT:
2477 opt_chainout = opt_str();
2478 break;
2479 case OPT_OLDCERT:
2480 opt_oldcert = opt_str();
2481 break;
2482 case OPT_REVREASON:
2483 opt_revreason = opt_int_arg();
2484 if (opt_revreason < CRL_REASON_NONE
2485 || opt_revreason > CRL_REASON_AA_COMPROMISE
2486 || opt_revreason == 7) {
2487 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2488 goto opthelp;
2489 }
2490 break;
2491 case OPT_CERTFORM:
2492 opt_certform_s = opt_str();
2493 break;
2494 case OPT_KEYFORM:
2495 opt_keyform_s = opt_str();
2496 break;
2497 case OPT_OTHERPASS:
2498 opt_otherpass = opt_str();
2499 break;
2500 #ifndef OPENSSL_NO_ENGINE
2501 case OPT_ENGINE:
2502 opt_engine = opt_str();
2503 break;
2504 #endif
2505 case OPT_PROV_CASES:
2506 if (!opt_provider(o))
2507 goto opthelp;
2508 break;
2509 case OPT_R_CASES:
2510 if (!opt_rand(o))
2511 goto opthelp;
2512 break;
2513
2514 case OPT_BATCH:
2515 opt_batch = 1;
2516 break;
2517 case OPT_REPEAT:
2518 opt_repeat = opt_int_arg();
2519 break;
2520 case OPT_REQIN:
2521 opt_reqin = opt_str();
2522 break;
2523 case OPT_REQIN_NEW_TID:
2524 opt_reqin_new_tid = 1;
2525 break;
2526 case OPT_REQOUT:
2527 opt_reqout = opt_str();
2528 break;
2529 case OPT_RSPIN:
2530 opt_rspin = opt_str();
2531 break;
2532 case OPT_RSPOUT:
2533 opt_rspout = opt_str();
2534 break;
2535 case OPT_USE_MOCK_SRV:
2536 opt_use_mock_srv = 1;
2537 break;
2538
2539 #ifndef OPENSSL_NO_SOCK
2540 case OPT_PORT:
2541 opt_port = opt_str();
2542 break;
2543 case OPT_MAX_MSGS:
2544 opt_max_msgs = opt_int_arg();
2545 break;
2546 #endif
2547 case OPT_SRV_REF:
2548 opt_srv_ref = opt_str();
2549 break;
2550 case OPT_SRV_SECRET:
2551 opt_srv_secret = opt_str();
2552 break;
2553 case OPT_SRV_CERT:
2554 opt_srv_cert = opt_str();
2555 break;
2556 case OPT_SRV_KEY:
2557 opt_srv_key = opt_str();
2558 break;
2559 case OPT_SRV_KEYPASS:
2560 opt_srv_keypass = opt_str();
2561 break;
2562 case OPT_SRV_TRUSTED:
2563 opt_srv_trusted = opt_str();
2564 break;
2565 case OPT_SRV_UNTRUSTED:
2566 opt_srv_untrusted = opt_str();
2567 break;
2568 case OPT_RSP_CERT:
2569 opt_rsp_cert = opt_str();
2570 break;
2571 case OPT_RSP_EXTRACERTS:
2572 opt_rsp_extracerts = opt_str();
2573 break;
2574 case OPT_RSP_CAPUBS:
2575 opt_rsp_capubs = opt_str();
2576 break;
2577 case OPT_POLL_COUNT:
2578 opt_poll_count = opt_int_arg();
2579 break;
2580 case OPT_CHECK_AFTER:
2581 opt_check_after = opt_int_arg();
2582 break;
2583 case OPT_GRANT_IMPLICITCONF:
2584 opt_grant_implicitconf = 1;
2585 break;
2586 case OPT_PKISTATUS:
2587 opt_pkistatus = opt_int_arg();
2588 break;
2589 case OPT_FAILURE:
2590 opt_failure = opt_int_arg();
2591 break;
2592 case OPT_FAILUREBITS:
2593 opt_failurebits = opt_int_arg();
2594 break;
2595 case OPT_STATUSSTRING:
2596 opt_statusstring = opt_str();
2597 break;
2598 case OPT_SEND_ERROR:
2599 opt_send_error = 1;
2600 break;
2601 case OPT_SEND_UNPROTECTED:
2602 opt_send_unprotected = 1;
2603 break;
2604 case OPT_SEND_UNPROT_ERR:
2605 opt_send_unprot_err = 1;
2606 break;
2607 case OPT_ACCEPT_UNPROTECTED:
2608 opt_accept_unprotected = 1;
2609 break;
2610 case OPT_ACCEPT_UNPROT_ERR:
2611 opt_accept_unprot_err = 1;
2612 break;
2613 case OPT_ACCEPT_RAVERIFIED:
2614 opt_accept_raverified = 1;
2615 break;
2616 }
2617 }
2618
2619 /* No extra args. */
2620 argc = opt_num_rest();
2621 argv = opt_rest();
2622 if (argc != 0)
2623 goto opthelp;
2624 return 1;
2625 }
2626
2627 #ifndef OPENSSL_NO_SOCK
cmp_server(OSSL_CMP_CTX * srv_cmp_ctx)2628 static int cmp_server(OSSL_CMP_CTX *srv_cmp_ctx) {
2629 BIO *acbio;
2630 BIO *cbio = NULL;
2631 int keep_alive = 0;
2632 int msgs = 0;
2633 int retry = 1;
2634 int ret = 1;
2635
2636 if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
2637 return 0;
2638 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2639 char *path = NULL;
2640 OSSL_CMP_MSG *req = NULL;
2641 OSSL_CMP_MSG *resp = NULL;
2642
2643 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2644 (ASN1_VALUE **)&req, &path,
2645 &cbio, acbio, &keep_alive,
2646 prog, opt_port, 0, 0);
2647 if (ret == 0) { /* no request yet */
2648 if (retry) {
2649 ossl_sleep(1000);
2650 retry = 0;
2651 continue;
2652 }
2653 ret = 0;
2654 goto next;
2655 }
2656 if (ret++ == -1) /* fatal error */
2657 break;
2658
2659 ret = 0;
2660 msgs++;
2661 if (req != NULL) {
2662 if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2663 (void)http_server_send_status(cbio, 404, "Not Found");
2664 CMP_err1("expecting empty path or 'pkix/' but got '%s'",
2665 path);
2666 OPENSSL_free(path);
2667 OSSL_CMP_MSG_free(req);
2668 goto next;
2669 }
2670 OPENSSL_free(path);
2671 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2672 OSSL_CMP_MSG_free(req);
2673 if (resp == NULL) {
2674 (void)http_server_send_status(cbio,
2675 500, "Internal Server Error");
2676 break; /* treated as fatal error */
2677 }
2678 ret = http_server_send_asn1_resp(cbio, keep_alive,
2679 "application/pkixcmp",
2680 ASN1_ITEM_rptr(OSSL_CMP_MSG),
2681 (const ASN1_VALUE *)resp);
2682 OSSL_CMP_MSG_free(resp);
2683 if (!ret)
2684 break; /* treated as fatal error */
2685 }
2686 next:
2687 if (!ret) { /* on transmission error, cancel CMP transaction */
2688 (void)OSSL_CMP_CTX_set1_transactionID(srv_cmp_ctx, NULL);
2689 (void)OSSL_CMP_CTX_set1_senderNonce(srv_cmp_ctx, NULL);
2690 }
2691 if (!ret || !keep_alive
2692 || OSSL_CMP_CTX_get_status(srv_cmp_ctx) == -1
2693 /* transaction closed by OSSL_CMP_CTX_server_perform() */) {
2694 BIO_free_all(cbio);
2695 cbio = NULL;
2696 }
2697 }
2698
2699 BIO_free_all(cbio);
2700 BIO_free_all(acbio);
2701 return ret;
2702 }
2703 #endif
2704
cmp_main(int argc,char ** argv)2705 int cmp_main(int argc, char **argv)
2706 {
2707 char *configfile = NULL;
2708 int i;
2709 X509 *newcert = NULL;
2710 ENGINE *engine = NULL;
2711 OSSL_CMP_CTX *srv_cmp_ctx = NULL;
2712 int ret = 0; /* default: failure */
2713
2714 prog = opt_appname(argv[0]);
2715 if (argc <= 1) {
2716 opt_help(cmp_options);
2717 goto err;
2718 }
2719
2720 /*
2721 * handle options -config, -section, and -verbosity upfront
2722 * to take effect for other options
2723 */
2724 for (i = 1; i < argc - 1; i++) {
2725 if (*argv[i] == '-') {
2726 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2727 opt_config = argv[++i];
2728 else if (!strcmp(argv[i] + 1,
2729 cmp_options[OPT_SECTION - OPT_HELP].name))
2730 opt_section = argv[++i];
2731 else if (strcmp(argv[i] + 1,
2732 cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0
2733 && !set_verbosity(atoi(argv[++i])))
2734 goto err;
2735 }
2736 }
2737 if (opt_section[0] == '\0') /* empty string */
2738 opt_section = DEFAULT_SECTION;
2739
2740 vpm = X509_VERIFY_PARAM_new();
2741 if (vpm == NULL) {
2742 CMP_err("out of memory");
2743 goto err;
2744 }
2745
2746 /* read default values for options from config file */
2747 configfile = opt_config != NULL ? opt_config : default_config_file;
2748 if (configfile != NULL && configfile[0] != '\0' /* non-empty string */
2749 && (configfile != default_config_file || access(configfile, F_OK) != -1)) {
2750 CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'",
2751 opt_section, configfile);
2752 conf = app_load_config(configfile);
2753 if (conf == NULL) {
2754 goto err;
2755 } else {
2756 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2757 if (!NCONF_get_section(conf, opt_section))
2758 CMP_info2("no [%s] section found in config file '%s';"
2759 " will thus use just [default] and unnamed section if present",
2760 opt_section, configfile);
2761 } else {
2762 const char *end = opt_section + strlen(opt_section);
2763 while ((end = prev_item(opt_section, end)) != NULL) {
2764 if (!NCONF_get_section(conf, opt_item)) {
2765 CMP_err2("no [%s] section found in config file '%s'",
2766 opt_item, configfile);
2767 goto err;
2768 }
2769 }
2770 }
2771 ret = read_config();
2772 if (!set_verbosity(opt_verbosity)) /* just for checking range */
2773 ret = -1;
2774 if (ret <= 0) {
2775 if (ret == -1)
2776 BIO_printf(bio_err, "Use -help for summary.\n");
2777 goto err;
2778 }
2779 }
2780 }
2781 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2782
2783 ret = get_opts(argc, argv);
2784 if (ret <= 0)
2785 goto err;
2786 ret = 0;
2787 if (!app_RAND_load())
2788 goto err;
2789
2790 if (opt_batch)
2791 set_base_ui_method(UI_null());
2792
2793 if (opt_engine != NULL) {
2794 engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
2795 if (engine == NULL) {
2796 CMP_err1("cannot load engine %s", opt_engine);
2797 goto err;
2798 }
2799 }
2800
2801 cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq());
2802 if (cmp_ctx == NULL)
2803 goto err;
2804 OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity);
2805 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2806 CMP_err1("cannot set up error reporting and logging for %s", prog);
2807 goto err;
2808 }
2809
2810 #ifndef OPENSSL_NO_SOCK
2811 if ((opt_tls_cert != NULL || opt_tls_key != NULL
2812 || opt_tls_keypass != NULL || opt_tls_extra != NULL
2813 || opt_tls_trusted != NULL || opt_tls_host != NULL)
2814 && !opt_tls_used)
2815 CMP_warn("Ingnoring TLS options(s) since -tls_used is not given");
2816 if (opt_port != NULL) {
2817 if (opt_tls_used) {
2818 CMP_err("-tls_used option not supported with -port option");
2819 goto err;
2820 }
2821 if (opt_use_mock_srv || opt_server != NULL || opt_rspin != NULL) {
2822 CMP_err("cannot use -port with -use_mock_srv, -server, or -rspin options");
2823 goto err;
2824 }
2825 }
2826 if (opt_server != NULL && opt_use_mock_srv) {
2827 CMP_err("cannot use both -server and -use_mock_srv options");
2828 goto err;
2829 }
2830 #endif
2831 if (opt_rspin != NULL && opt_use_mock_srv) {
2832 CMP_err("cannot use both -rspin and -use_mock_srv options");
2833 goto err;
2834 }
2835
2836 if (opt_use_mock_srv
2837 #ifndef OPENSSL_NO_SOCK
2838 || opt_port != NULL
2839 #endif
2840 ) {
2841 OSSL_CMP_SRV_CTX *srv_ctx;
2842
2843 if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2844 goto err;
2845 srv_cmp_ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
2846 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2847 if (!OSSL_CMP_CTX_set_log_cb(srv_cmp_ctx, print_to_bio_err)) {
2848 CMP_err1("cannot set up error reporting and logging for %s", prog);
2849 goto err;
2850 }
2851 OSSL_CMP_CTX_set_log_verbosity(srv_cmp_ctx, opt_verbosity);
2852 }
2853
2854 #ifndef OPENSSL_NO_SOCK
2855 if (opt_tls_used && (opt_use_mock_srv || opt_rspin != NULL)) {
2856 CMP_warn("ignoring -tls_used option since -use_mock_srv or -rspin is given");
2857 opt_tls_used = 0;
2858 }
2859
2860 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2861 ret = cmp_server(srv_cmp_ctx);
2862 goto err;
2863 }
2864
2865 /* act as CMP client, possibly using internal mock server */
2866
2867 if (opt_server != NULL) {
2868 if (opt_rspin != NULL) {
2869 CMP_warn("ignoring -server option since -rspin is given");
2870 opt_server = NULL;
2871 }
2872 }
2873 #endif
2874
2875 if (!setup_client_ctx(cmp_ctx, engine)) {
2876 CMP_err("cannot set up CMP context");
2877 goto err;
2878 }
2879 for (i = 0; i < opt_repeat; i++) {
2880 /* everything is ready, now connect and perform the command! */
2881 switch (opt_cmd) {
2882 case CMP_IR:
2883 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
2884 if (newcert != NULL)
2885 ret = 1;
2886 break;
2887 case CMP_KUR:
2888 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
2889 if (newcert != NULL)
2890 ret = 1;
2891 break;
2892 case CMP_CR:
2893 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
2894 if (newcert != NULL)
2895 ret = 1;
2896 break;
2897 case CMP_P10CR:
2898 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
2899 if (newcert != NULL)
2900 ret = 1;
2901 break;
2902 case CMP_RR:
2903 ret = OSSL_CMP_exec_RR_ses(cmp_ctx);
2904 break;
2905 case CMP_GENM:
2906 {
2907 STACK_OF(OSSL_CMP_ITAV) *itavs;
2908
2909 if (opt_infotype != NID_undef) {
2910 OSSL_CMP_ITAV *itav =
2911 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
2912 if (itav == NULL)
2913 goto err;
2914 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
2915 }
2916
2917 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) != NULL) {
2918 print_itavs(itavs);
2919 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
2920 ret = 1;
2921 }
2922 break;
2923 }
2924 default:
2925 break;
2926 }
2927 if (OSSL_CMP_CTX_get_status(cmp_ctx) < 0)
2928 goto err; /* we got no response, maybe even did not send request */
2929
2930 {
2931 /* print PKIStatusInfo */
2932 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
2933 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
2934 const char *string =
2935 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
2936 OSSL_CMP_PKISI_BUFLEN);
2937 const char *from = "", *server = "";
2938
2939 #ifndef OPENSSL_NO_SOCK
2940 if (opt_server != NULL) {
2941 from = " from ";
2942 server = opt_server;
2943 }
2944 #endif
2945 CMP_print(bio_err,
2946 status == OSSL_CMP_PKISTATUS_accepted
2947 ? OSSL_CMP_LOG_INFO :
2948 status == OSSL_CMP_PKISTATUS_rejection
2949 || status == OSSL_CMP_PKISTATUS_waiting
2950 ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING,
2951 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
2952 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
2953 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
2954 : "warning",
2955 "received%s%s %s", from, server,
2956 string != NULL ? string : "<unknown PKIStatus>");
2957 OPENSSL_free(buf);
2958 }
2959
2960 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx),
2961 opt_extracertsout, "extra") < 0)
2962 ret = 0;
2963 if (!ret)
2964 goto err;
2965 ret = 0;
2966 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx),
2967 opt_cacertsout, "CA") < 0)
2968 goto err;
2969 if (newcert != NULL) {
2970 STACK_OF(X509) *certs = sk_X509_new_null();
2971
2972 if (!X509_add_cert(certs, newcert, X509_ADD_FLAG_UP_REF)) {
2973 sk_X509_free(certs);
2974 goto err;
2975 }
2976 if (save_free_certs(cmp_ctx, certs, opt_certout, "enrolled") < 0)
2977 goto err;
2978 }
2979 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx),
2980 opt_chainout, "chain") < 0)
2981 goto err;
2982
2983 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
2984 goto err;
2985 }
2986 ret = 1;
2987
2988 err:
2989 /* in case we ended up here on error without proper cleaning */
2990 cleanse(opt_keypass);
2991 cleanse(opt_newkeypass);
2992 cleanse(opt_otherpass);
2993 #ifndef OPENSSL_NO_SOCK
2994 cleanse(opt_tls_keypass);
2995 #endif
2996 cleanse(opt_secret);
2997 cleanse(opt_srv_keypass);
2998 cleanse(opt_srv_secret);
2999
3000 if (ret != 1)
3001 OSSL_CMP_CTX_print_errors(cmp_ctx);
3002
3003 if (cmp_ctx != NULL) {
3004 #ifndef OPENSSL_NO_SOCK
3005 APP_HTTP_TLS_INFO *info = OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3006
3007 #endif
3008 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3009 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3010 /* cannot free info already here, as it may be used indirectly by: */
3011 OSSL_CMP_CTX_free(cmp_ctx);
3012 #ifndef OPENSSL_NO_SOCK
3013 APP_HTTP_TLS_INFO_free(info);
3014 #endif
3015 }
3016 X509_VERIFY_PARAM_free(vpm);
3017 release_engine(engine);
3018
3019 NCONF_free(conf); /* must not do as long as opt_... variables are used */
3020 OSSL_CMP_log_close();
3021
3022 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS; /* ret == -1 for -help */
3023 }
3024