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_srvcertout = NULL;
90 static char *opt_extracertsout = NULL;
91 static char *opt_cacertsout = NULL;
92
93 /* client authentication */
94 static char *opt_ref = NULL;
95 static char *opt_secret = NULL;
96 static char *opt_cert = NULL;
97 static char *opt_own_trusted = NULL;
98 static char *opt_key = NULL;
99 static char *opt_keypass = NULL;
100 static char *opt_digest = NULL;
101 static char *opt_mac = NULL;
102 static char *opt_extracerts = NULL;
103 static int opt_unprotected_requests = 0;
104
105 /* generic message */
106 static char *opt_cmd_s = NULL;
107 static int opt_cmd = -1;
108 static char *opt_geninfo = NULL;
109 static char *opt_infotype_s = NULL;
110 static int opt_infotype = NID_undef;
111
112 /* certificate enrollment */
113 static char *opt_newkey = NULL;
114 static char *opt_newkeypass = NULL;
115 static char *opt_subject = NULL;
116 static char *opt_issuer = NULL;
117 static int opt_days = 0;
118 static char *opt_reqexts = NULL;
119 static char *opt_sans = NULL;
120 static int opt_san_nodefault = 0;
121 static char *opt_policies = NULL;
122 static char *opt_policy_oids = NULL;
123 static int opt_policy_oids_critical = 0;
124 static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
125 static char *opt_csr = NULL;
126 static char *opt_out_trusted = NULL;
127 static int opt_implicit_confirm = 0;
128 static int opt_disable_confirm = 0;
129 static char *opt_certout = NULL;
130 static char *opt_chainout = NULL;
131
132 /* certificate enrollment and revocation */
133 static char *opt_oldcert = NULL;
134 static int opt_revreason = CRL_REASON_NONE;
135
136 /* credentials format */
137 static char *opt_certform_s = "PEM";
138 static int opt_certform = FORMAT_PEM;
139 static char *opt_keyform_s = NULL;
140 static int opt_keyform = FORMAT_UNDEF;
141 static char *opt_otherpass = NULL;
142 static char *opt_engine = NULL;
143
144 #ifndef OPENSSL_NO_SOCK
145 /* TLS connection */
146 static int opt_tls_used = 0;
147 static char *opt_tls_cert = NULL;
148 static char *opt_tls_key = NULL;
149 static char *opt_tls_keypass = NULL;
150 static char *opt_tls_extra = NULL;
151 static char *opt_tls_trusted = NULL;
152 static char *opt_tls_host = NULL;
153 #endif
154
155 /* client-side debugging */
156 static int opt_batch = 0;
157 static int opt_repeat = 1;
158 static char *opt_reqin = NULL;
159 static int opt_reqin_new_tid = 0;
160 static char *opt_reqout = NULL;
161 static char *opt_rspin = NULL;
162 static char *opt_rspout = NULL;
163 static int opt_use_mock_srv = 0;
164
165 /* mock server */
166 #ifndef OPENSSL_NO_SOCK
167 static char *opt_port = NULL;
168 static int opt_max_msgs = 0;
169 #endif
170 static char *opt_srv_ref = NULL;
171 static char *opt_srv_secret = NULL;
172 static char *opt_srv_cert = NULL;
173 static char *opt_srv_key = NULL;
174 static char *opt_srv_keypass = NULL;
175
176 static char *opt_srv_trusted = NULL;
177 static char *opt_srv_untrusted = NULL;
178 static char *opt_ref_cert = NULL;
179 static char *opt_rsp_cert = NULL;
180 static char *opt_rsp_extracerts = NULL;
181 static char *opt_rsp_capubs = NULL;
182 static int opt_poll_count = 0;
183 static int opt_check_after = 1;
184 static int opt_grant_implicitconf = 0;
185
186 static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
187 static int opt_failure = INT_MIN;
188 static int opt_failurebits = 0;
189 static char *opt_statusstring = NULL;
190 static int opt_send_error = 0;
191 static int opt_send_unprotected = 0;
192 static int opt_send_unprot_err = 0;
193 static int opt_accept_unprotected = 0;
194 static int opt_accept_unprot_err = 0;
195 static int opt_accept_raverified = 0;
196
197 static X509_VERIFY_PARAM *vpm = NULL;
198
199 typedef enum OPTION_choice {
200 OPT_COMMON,
201 OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
202
203 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
204
205 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
206 OPT_DAYS, OPT_REQEXTS,
207 OPT_SANS, OPT_SAN_NODEFAULT,
208 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
209 OPT_POPO, OPT_CSR,
210 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
211 OPT_CERTOUT, OPT_CHAINOUT,
212
213 OPT_OLDCERT, OPT_REVREASON,
214
215 #ifndef OPENSSL_NO_SOCK
216 OPT_SERVER, OPT_PROXY, OPT_NO_PROXY,
217 #endif
218 OPT_RECIPIENT, OPT_PATH,
219 OPT_KEEP_ALIVE, OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
220
221 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
222 OPT_EXPECT_SENDER,
223 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
224 OPT_SRVCERTOUT, OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
225
226 OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
227 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
228 OPT_UNPROTECTED_REQUESTS,
229
230 OPT_CERTFORM, OPT_KEYFORM,
231 OPT_OTHERPASS,
232 #ifndef OPENSSL_NO_ENGINE
233 OPT_ENGINE,
234 #endif
235 OPT_PROV_ENUM,
236 OPT_R_ENUM,
237
238 #ifndef OPENSSL_NO_SOCK
239 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
240 OPT_TLS_KEYPASS,
241 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
242 #endif
243
244 OPT_BATCH, OPT_REPEAT,
245 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
246 OPT_USE_MOCK_SRV,
247
248 #ifndef OPENSSL_NO_SOCK
249 OPT_PORT, OPT_MAX_MSGS,
250 #endif
251 OPT_SRV_REF, OPT_SRV_SECRET,
252 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
253 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
254 OPT_REF_CERT, OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
255 OPT_POLL_COUNT, OPT_CHECK_AFTER,
256 OPT_GRANT_IMPLICITCONF,
257 OPT_PKISTATUS, OPT_FAILURE,
258 OPT_FAILUREBITS, OPT_STATUSSTRING,
259 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
260 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
261 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
262
263 OPT_V_ENUM
264 } OPTION_CHOICE;
265
266 const OPTIONS cmp_options[] = {
267 /* entries must be in the same order as enumerated above!! */
268 {"help", OPT_HELP, '-', "Display this summary"},
269 {"config", OPT_CONFIG, 's',
270 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
271 {"section", OPT_SECTION, 's',
272 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
273 {"verbosity", OPT_VERBOSITY, 'N',
274 "Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
275
276 OPT_SECTION("Generic message"),
277 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
278 {"infotype", OPT_INFOTYPE, 's',
279 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
280 {"geninfo", OPT_GENINFO, 's',
281 "generalInfo integer values to place in request PKIHeader with given OID"},
282 {OPT_MORE_STR, 0, 0,
283 "specified in the form <OID>:int:<n>, e.g. \"1.2.3.4:int:56789\""},
284
285 OPT_SECTION("Certificate enrollment"),
286 {"newkey", OPT_NEWKEY, 's',
287 "Private or public key for the requested cert. Default: CSR key or client key"},
288 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
289 {"subject", OPT_SUBJECT, 's',
290 "Distinguished Name (DN) of subject to use in the requested cert template"},
291 {OPT_MORE_STR, 0, 0,
292 "For kur, default is subject of -csr arg or reference cert (see -oldcert)"},
293 {OPT_MORE_STR, 0, 0,
294 "this default is used for ir and cr only if no Subject Alt Names are set"},
295 {"issuer", OPT_ISSUER, 's',
296 "DN of the issuer to place in the requested certificate template"},
297 {OPT_MORE_STR, 0, 0,
298 "also used as recipient if neither -recipient nor -srvcert are given"},
299 {"days", OPT_DAYS, 'N',
300 "Requested validity time of the new certificate in number of days"},
301 {"reqexts", OPT_REQEXTS, 's',
302 "Name of config file section defining certificate request extensions."},
303 {OPT_MORE_STR, 0, 0,
304 "Augments or replaces any extensions contained CSR given with -csr"},
305 {"sans", OPT_SANS, 's',
306 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
307 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
308 "Do not take default SANs from reference certificate (see -oldcert)"},
309 {"policies", OPT_POLICIES, 's',
310 "Name of config file section defining policies certificate request extension"},
311 {"policy_oids", OPT_POLICY_OIDS, 's',
312 "Policy OID(s) to add as policies certificate request extension"},
313 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
314 "Flag the policy OID(s) given with -policy_oids as critical"},
315 {"popo", OPT_POPO, 'n',
316 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
317 {OPT_MORE_STR, 0, 0,
318 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
319 {"csr", OPT_CSR, 's',
320 "PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
321 {"out_trusted", OPT_OUT_TRUSTED, 's',
322 "Certificates to trust when verifying newly enrolled certificates"},
323 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
324 "Request implicit confirmation of newly enrolled certificates"},
325 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
326 "Do not confirm newly enrolled certificate w/o requesting implicit"},
327 {OPT_MORE_STR, 0, 0,
328 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
329 {"certout", OPT_CERTOUT, 's',
330 "File to save newly enrolled certificate"},
331 {"chainout", OPT_CHAINOUT, 's',
332 "File to save the chain of newly enrolled certificate"},
333
334 OPT_SECTION("Certificate enrollment and revocation"),
335
336 {"oldcert", OPT_OLDCERT, 's',
337 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
338 {OPT_MORE_STR, 0, 0,
339 "also used as reference (defaulting to -cert) for subject DN and SANs."},
340 {OPT_MORE_STR, 0, 0,
341 "Issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
342 {"revreason", OPT_REVREASON, 'n',
343 "Reason code to include in revocation request (rr); possible values:"},
344 {OPT_MORE_STR, 0, 0,
345 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
346
347 OPT_SECTION("Message transfer"),
348 #ifdef OPENSSL_NO_SOCK
349 {OPT_MORE_STR, 0, 0,
350 "NOTE: -server, -proxy, and -no_proxy not supported due to no-sock build"},
351 #else
352 {"server", OPT_SERVER, 's',
353 "[http[s]://]address[:port][/path] of CMP server. Default port 80 or 443."},
354 {OPT_MORE_STR, 0, 0,
355 "address may be a DNS name or an IP address; path can be overridden by -path"},
356 {"proxy", OPT_PROXY, 's',
357 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
358 {"no_proxy", OPT_NO_PROXY, 's',
359 "List of addresses of servers not to use HTTP(S) proxy for"},
360 {OPT_MORE_STR, 0, 0,
361 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
362 #endif
363 {"recipient", OPT_RECIPIENT, 's',
364 "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
365 {"path", OPT_PATH, 's',
366 "HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
367 {"keep_alive", OPT_KEEP_ALIVE, 'N',
368 "Persistent HTTP connections. 0: no, 1 (the default): request, 2: require"},
369 {"msg_timeout", OPT_MSG_TIMEOUT, 'N',
370 "Number of seconds allowed per CMP message round trip, or 0 for infinite"},
371 {"total_timeout", OPT_TOTAL_TIMEOUT, 'N',
372 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
373
374 OPT_SECTION("Server authentication"),
375 {"trusted", OPT_TRUSTED, 's',
376 "Certificates to trust as chain roots when verifying signed CMP responses"},
377 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
378 {"untrusted", OPT_UNTRUSTED, 's',
379 "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
380 {"srvcert", OPT_SRVCERT, 's',
381 "Server cert to pin and trust directly when verifying signed CMP responses"},
382 {"expect_sender", OPT_EXPECT_SENDER, 's',
383 "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
384 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
385 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
386 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
387 "Accept missing or invalid protection of regular error messages and negative"},
388 {OPT_MORE_STR, 0, 0,
389 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
390 {OPT_MORE_STR, 0, 0,
391 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
392 { "srvcertout", OPT_SRVCERTOUT, 's',
393 "File to save the server cert used and validated for CMP response protection"},
394 {"extracertsout", OPT_EXTRACERTSOUT, 's',
395 "File to save extra certificates received in the extraCerts field"},
396 {"cacertsout", OPT_CACERTSOUT, 's',
397 "File to save CA certificates received in the caPubs field of 'ip' messages"},
398
399 OPT_SECTION("Client authentication"),
400 {"ref", OPT_REF, 's',
401 "Reference value to use as senderKID in case no -cert is given"},
402 {"secret", OPT_SECRET, 's',
403 "Prefer PBM (over signatures) for protecting msgs with given password source"},
404 {"cert", OPT_CERT, 's',
405 "Client's CMP signer certificate; its public key must match the -key argument"},
406 {OPT_MORE_STR, 0, 0,
407 "This also used as default reference for subject DN and SANs."},
408 {OPT_MORE_STR, 0, 0,
409 "Any further certs included are appended to the untrusted certs"},
410 {"own_trusted", OPT_OWN_TRUSTED, 's',
411 "Optional certs to verify chain building for own CMP signer cert"},
412 {"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
413 {"keypass", OPT_KEYPASS, 's',
414 "Client private key (and cert and old cert) pass phrase source"},
415 {"digest", OPT_DIGEST, 's',
416 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
417 {"mac", OPT_MAC, 's',
418 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
419 {"extracerts", OPT_EXTRACERTS, 's',
420 "Certificates to append in extraCerts field of outgoing messages."},
421 {OPT_MORE_STR, 0, 0,
422 "This can be used as the default CMP signer cert chain to include"},
423 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
424 "Send messages without CMP-level protection"},
425
426 OPT_SECTION("Credentials format"),
427 {"certform", OPT_CERTFORM, 's',
428 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
429 {"keyform", OPT_KEYFORM, 's',
430 "Format of the key input (ENGINE, other values ignored)"},
431 {"otherpass", OPT_OTHERPASS, 's',
432 "Pass phrase source potentially needed for loading certificates of others"},
433 #ifndef OPENSSL_NO_ENGINE
434 {"engine", OPT_ENGINE, 's',
435 "Use crypto engine with given identifier, possibly a hardware device."},
436 {OPT_MORE_STR, 0, 0,
437 "Engines may also be defined in OpenSSL config file engine section."},
438 #endif
439 OPT_PROV_OPTIONS,
440 OPT_R_OPTIONS,
441
442 OPT_SECTION("TLS connection"),
443 #ifdef OPENSSL_NO_SOCK
444 {OPT_MORE_STR, 0, 0,
445 "NOTE: -tls_used and all other TLS options not supported due to no-sock build"},
446 #else
447 {"tls_used", OPT_TLS_USED, '-',
448 "Enable using TLS (also when other TLS options are not set)"},
449 {"tls_cert", OPT_TLS_CERT, 's',
450 "Client's TLS certificate. May include chain to be provided to TLS server"},
451 {"tls_key", OPT_TLS_KEY, 's',
452 "Private key for the client's TLS certificate"},
453 {"tls_keypass", OPT_TLS_KEYPASS, 's',
454 "Pass phrase source for the client's private TLS key (and TLS cert)"},
455 {"tls_extra", OPT_TLS_EXTRA, 's',
456 "Extra certificates to provide to TLS server during TLS handshake"},
457 {"tls_trusted", OPT_TLS_TRUSTED, 's',
458 "Trusted certificates to use for verifying the TLS server certificate;"},
459 {OPT_MORE_STR, 0, 0, "this implies hostname validation"},
460 {"tls_host", OPT_TLS_HOST, 's',
461 "Address to be checked (rather than -server) during TLS hostname validation"},
462 #endif
463
464 OPT_SECTION("Client-side debugging"),
465 {"batch", OPT_BATCH, '-',
466 "Do not interactively prompt for input when a password is required etc."},
467 {"repeat", OPT_REPEAT, 'p',
468 "Invoke the transaction the given positive number of times. Default 1"},
469 {"reqin", OPT_REQIN, 's', "Take sequence of CMP requests from file(s)"},
470 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
471 "Use fresh transactionID for CMP requests read from -reqin"},
472 {"reqout", OPT_REQOUT, 's', "Save sequence of CMP requests to file(s)"},
473 {"rspin", OPT_RSPIN, 's',
474 "Process sequence of CMP responses provided in file(s), skipping server"},
475 {"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
476
477 {"use_mock_srv", OPT_USE_MOCK_SRV, '-',
478 "Use internal mock server at API level, bypassing socket-based HTTP"},
479
480 OPT_SECTION("Mock server"),
481 #ifdef OPENSSL_NO_SOCK
482 {OPT_MORE_STR, 0, 0,
483 "NOTE: -port and -max_msgs not supported due to no-sock build"},
484 #else
485 {"port", OPT_PORT, 's',
486 "Act as HTTP-based mock server listening on given port"},
487 {"max_msgs", OPT_MAX_MSGS, 'N',
488 "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
489 #endif
490
491 {"srv_ref", OPT_SRV_REF, 's',
492 "Reference value to use as senderKID of server in case no -srv_cert is given"},
493 {"srv_secret", OPT_SRV_SECRET, 's',
494 "Password source for server authentication with a pre-shared key (secret)"},
495 {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
496 {"srv_key", OPT_SRV_KEY, 's',
497 "Private key used by the server for signing messages"},
498 {"srv_keypass", OPT_SRV_KEYPASS, 's',
499 "Server private key (and cert) pass phrase source"},
500
501 {"srv_trusted", OPT_SRV_TRUSTED, 's',
502 "Trusted certificates for client authentication"},
503 {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
504 "Intermediate certs that may be useful for verifying CMP protection"},
505 {"ref_cert", OPT_RSP_CERT, 's',
506 "Certificate to be expected for rr and any oldCertID in kur messages"},
507 {"rsp_cert", OPT_RSP_CERT, 's',
508 "Certificate to be returned as mock enrollment result"},
509 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
510 "Extra certificates to be included in mock certification responses"},
511 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
512 "CA certificates to be included in mock ip response"},
513 {"poll_count", OPT_POLL_COUNT, 'N',
514 "Number of times the client must poll before receiving a certificate"},
515 {"check_after", OPT_CHECK_AFTER, 'N',
516 "The check_after value (time to wait) to include in poll response"},
517 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
518 "Grant implicit confirmation of newly enrolled certificate"},
519
520 {"pkistatus", OPT_PKISTATUS, 'N',
521 "PKIStatus to be included in server response. Possible values: 0..6"},
522 {"failure", OPT_FAILURE, 'N',
523 "A single failure info bit number to include in server response, 0..26"},
524 {"failurebits", OPT_FAILUREBITS, 'N',
525 "Number representing failure bits to include in server response, 0..2^27 - 1"},
526 {"statusstring", OPT_STATUSSTRING, 's',
527 "Status string to be included in server response"},
528 {"send_error", OPT_SEND_ERROR, '-',
529 "Force server to reply with error message"},
530 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
531 "Send response messages without CMP-level protection"},
532 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
533 "In case of negative responses, server shall send unprotected error messages,"},
534 {OPT_MORE_STR, 0, 0,
535 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
536 {OPT_MORE_STR, 0, 0,
537 "WARNING: This setting leads to behavior violating RFC 4210"},
538 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
539 "Accept missing or invalid protection of requests"},
540 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
541 "Accept unprotected error messages from client"},
542 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
543 "Accept RAVERIFIED as proof-of-possession (POPO)"},
544
545 OPT_V_OPTIONS,
546 {NULL}
547 };
548
549 typedef union {
550 char **txt;
551 int *num;
552 long *num_long;
553 } varref;
554 static varref cmp_vars[] = { /* must be in same order as enumerated above! */
555 {&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
556
557 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
558
559 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
560 {(char **)&opt_days}, {&opt_reqexts},
561 {&opt_sans}, {(char **)&opt_san_nodefault},
562 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
563 {(char **)&opt_popo}, {&opt_csr},
564 {&opt_out_trusted},
565 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
566 {&opt_certout}, {&opt_chainout},
567
568 {&opt_oldcert}, {(char **)&opt_revreason},
569
570 #ifndef OPENSSL_NO_SOCK
571 {&opt_server}, {&opt_proxy}, {&opt_no_proxy},
572 #endif
573 {&opt_recipient}, {&opt_path}, {(char **)&opt_keep_alive},
574 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
575
576 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
577 {&opt_expect_sender},
578 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
579 {&opt_srvcertout}, {&opt_extracertsout}, {&opt_cacertsout},
580
581 {&opt_ref}, {&opt_secret},
582 {&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
583 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
584 {(char **)&opt_unprotected_requests},
585
586 {&opt_certform_s}, {&opt_keyform_s},
587 {&opt_otherpass},
588 #ifndef OPENSSL_NO_ENGINE
589 {&opt_engine},
590 #endif
591
592 #ifndef OPENSSL_NO_SOCK
593 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
594 {&opt_tls_keypass},
595 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
596 #endif
597
598 {(char **)&opt_batch}, {(char **)&opt_repeat},
599 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
600 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
601
602 {(char **)&opt_use_mock_srv},
603 #ifndef OPENSSL_NO_SOCK
604 {&opt_port}, {(char **)&opt_max_msgs},
605 #endif
606 {&opt_srv_ref}, {&opt_srv_secret},
607 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
608 {&opt_srv_trusted}, {&opt_srv_untrusted},
609 {&opt_ref_cert}, {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
610 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
611 {(char **)&opt_grant_implicitconf},
612 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
613 {(char **)&opt_failurebits}, {&opt_statusstring},
614 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
615 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
616 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
617
618 {NULL}
619 };
620
621 #define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
622 ? "CMP" : OPENSSL_FUNC)
623 #define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
624 ((void)(level > opt_verbosity ? 0 : \
625 (BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
626 FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
627 #define CMP_DEBUG(m, a1, a2, a3) \
628 CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
629 #define CMP_debug(msg) CMP_DEBUG(msg"%s%s%s", "", "", "")
630 #define CMP_debug1(msg, a1) CMP_DEBUG(msg"%s%s", a1, "", "")
631 #define CMP_debug2(msg, a1, a2) CMP_DEBUG(msg"%s", a1, a2, "")
632 #define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg, a1, a2, a3)
633 #define CMP_INFO(msg, a1, a2, a3) \
634 CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
635 #define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
636 #define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
637 #define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
638 #define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
639 #define CMP_WARN(m, a1, a2, a3) \
640 CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
641 #define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
642 #define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
643 #define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
644 #define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
645 #define CMP_ERR(msg, a1, a2, a3) \
646 CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
647 #define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
648 #define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
649 #define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
650 #define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
651
print_to_bio_out(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)652 static int print_to_bio_out(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_out, func, file, line, level, msg);
656 }
657
print_to_bio_err(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)658 static int print_to_bio_err(const char *func, const char *file, int line,
659 OSSL_CMP_severity level, const char *msg)
660 {
661 return OSSL_CMP_print_to_bio(bio_err, func, file, line, level, msg);
662 }
663
set_verbosity(int level)664 static int set_verbosity(int level)
665 {
666 if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
667 CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
668 return 0;
669 }
670 opt_verbosity = level;
671 return 1;
672 }
673
load_key_pwd(const char * uri,int format,const char * pass,ENGINE * eng,const char * desc)674 static EVP_PKEY *load_key_pwd(const char *uri, int format,
675 const char *pass, ENGINE *eng, const char *desc)
676 {
677 char *pass_string = get_passwd(pass, desc);
678 EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
679
680 clear_free(pass_string);
681 return pkey;
682 }
683
load_cert_pwd(const char * uri,const char * pass,const char * desc)684 static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
685 {
686 X509 *cert;
687 char *pass_string = get_passwd(pass, desc);
688
689 cert = load_cert_pass(uri, FORMAT_UNDEF, 0, pass_string, desc);
690 clear_free(pass_string);
691 return cert;
692 }
693
load_csr_autofmt(const char * infile,const char * desc)694 static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
695 {
696 X509_REQ *csr;
697 BIO *bio_bak = bio_err;
698
699 bio_err = NULL; /* do not show errors on more than one try */
700 csr = load_csr(infile, FORMAT_PEM, desc);
701 bio_err = bio_bak;
702 if (csr == NULL) {
703 ERR_clear_error();
704 csr = load_csr(infile, FORMAT_ASN1, desc);
705 }
706 if (csr == NULL) {
707 ERR_print_errors(bio_err);
708 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
709 infile);
710 } else {
711 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
712 int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */);
713
714 if (pkey == NULL || ret < 0)
715 CMP_warn("error while verifying CSR self-signature");
716 else if (ret == 0)
717 CMP_warn("CSR self-signature does not match the contents");
718 }
719 return csr;
720 }
721
722 /* set expected hostname/IP addr and clears the email addr in the given ts */
truststore_set_host_etc(X509_STORE * ts,const char * host)723 static int truststore_set_host_etc(X509_STORE *ts, const char *host)
724 {
725 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
726
727 /* first clear any hostnames, IP, and email addresses */
728 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
729 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
730 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
731 return 0;
732 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
733 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
734 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
735 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
736 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
737 }
738
739 /* write OSSL_CMP_MSG DER-encoded to the specified file name item */
write_PKIMESSAGE(const OSSL_CMP_MSG * msg,char ** filenames)740 static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
741 {
742 char *file;
743
744 if (msg == NULL || filenames == NULL) {
745 CMP_err("NULL arg to write_PKIMESSAGE");
746 return 0;
747 }
748 if (*filenames == NULL) {
749 CMP_err("not enough file names provided for writing PKIMessage");
750 return 0;
751 }
752
753 file = *filenames;
754 *filenames = next_item(file);
755 if (OSSL_CMP_MSG_write(file, msg) < 0) {
756 CMP_err1("cannot write PKIMessage to file '%s'", file);
757 return 0;
758 }
759 return 1;
760 }
761
762 /* read DER-encoded OSSL_CMP_MSG from the specified file name item */
read_PKIMESSAGE(char ** filenames)763 static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
764 {
765 char *file;
766 OSSL_CMP_MSG *ret;
767
768 if (filenames == NULL) {
769 CMP_err("NULL arg to read_PKIMESSAGE");
770 return NULL;
771 }
772 if (*filenames == NULL) {
773 CMP_err("not enough file names provided for reading PKIMessage");
774 return NULL;
775 }
776
777 file = *filenames;
778 *filenames = next_item(file);
779
780 ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq());
781 if (ret == NULL)
782 CMP_err1("cannot read PKIMessage from file '%s'", file);
783 return ret;
784 }
785
786 /*-
787 * Sends the PKIMessage req and on success place the response in *res
788 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
789 * to dump the sequence of requests and responses to files and/or
790 * to take the sequence of requests and responses from files.
791 */
read_write_req_resp(OSSL_CMP_CTX * ctx,const OSSL_CMP_MSG * req)792 static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
793 const OSSL_CMP_MSG *req)
794 {
795 OSSL_CMP_MSG *req_new = NULL;
796 OSSL_CMP_MSG *res = NULL;
797 OSSL_CMP_PKIHEADER *hdr;
798 const char *prev_opt_rspin = opt_rspin;
799
800 if (opt_reqout != NULL && !write_PKIMESSAGE(req, &opt_reqout))
801 goto err;
802 if (opt_reqin != NULL && opt_rspin == NULL) {
803 if ((req_new = read_PKIMESSAGE(&opt_reqin)) == NULL)
804 goto err;
805 /*-
806 * The transaction ID in req_new read from opt_reqin may not be fresh.
807 * In this case the server may complain "Transaction id already in use."
808 * The following workaround unfortunately requires re-protection.
809 */
810 if (opt_reqin_new_tid
811 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
812 goto err;
813 }
814
815 if (opt_rspin != NULL) {
816 res = read_PKIMESSAGE(&opt_rspin);
817 } else {
818 const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
819
820 res = opt_use_mock_srv
821 ? OSSL_CMP_CTX_server_perform(ctx, actual_req)
822 : OSSL_CMP_MSG_http_perform(ctx, actual_req);
823 }
824 if (res == NULL)
825 goto err;
826
827 if (opt_reqin != NULL || prev_opt_rspin != NULL) {
828 /* need to satisfy nonce and transactionID checks */
829 ASN1_OCTET_STRING *nonce;
830 ASN1_OCTET_STRING *tid;
831
832 hdr = OSSL_CMP_MSG_get0_header(res);
833 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
834 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
835 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
836 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
837 OSSL_CMP_MSG_free(res);
838 res = NULL;
839 goto err;
840 }
841 }
842
843 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
844 OSSL_CMP_MSG_free(res);
845 res = NULL;
846 }
847
848 err:
849 OSSL_CMP_MSG_free(req_new);
850 return res;
851 }
852
set_name(const char * str,int (* set_fn)(OSSL_CMP_CTX * ctx,const X509_NAME * name),OSSL_CMP_CTX * ctx,const char * desc)853 static int set_name(const char *str,
854 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
855 OSSL_CMP_CTX *ctx, const char *desc)
856 {
857 if (str != NULL) {
858 X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
859
860 if (n == NULL)
861 return 0;
862 if (!(*set_fn) (ctx, n)) {
863 X509_NAME_free(n);
864 CMP_err("out of memory");
865 return 0;
866 }
867 X509_NAME_free(n);
868 }
869 return 1;
870 }
871
set_gennames(OSSL_CMP_CTX * ctx,char * names,const char * desc)872 static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
873 {
874 char *next;
875
876 for (; names != NULL; names = next) {
877 GENERAL_NAME *n;
878
879 next = next_item(names);
880 if (strcmp(names, "critical") == 0) {
881 (void)OSSL_CMP_CTX_set_option(ctx,
882 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
883 1);
884 continue;
885 }
886
887 /* try IP address first, then email/URI/domain name */
888 (void)ERR_set_mark();
889 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
890 if (n == NULL)
891 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
892 strchr(names, '@') != NULL ? GEN_EMAIL :
893 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
894 names, 0);
895 (void)ERR_pop_to_mark();
896
897 if (n == NULL) {
898 CMP_err2("bad syntax of %s '%s'", desc, names);
899 return 0;
900 }
901 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
902 GENERAL_NAME_free(n);
903 CMP_err("out of memory");
904 return 0;
905 }
906 GENERAL_NAME_free(n);
907 }
908 return 1;
909 }
910
load_trusted(char * input,int for_new_cert,const char * desc)911 static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
912 {
913 X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
914
915 if (ts == NULL)
916 return NULL;
917 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
918
919 /* copy vpm to store */
920 if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
921 && (for_new_cert || truststore_set_host_etc(ts, NULL)))
922 return ts;
923 BIO_printf(bio_err, "error setting verification parameters for %s\n", desc);
924 OSSL_CMP_CTX_print_errors(cmp_ctx);
925 X509_STORE_free(ts);
926 return NULL;
927 }
928
929 typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
930
setup_certs(char * files,const char * desc,void * ctx,add_X509_stack_fn_t set1_fn)931 static int setup_certs(char *files, const char *desc, void *ctx,
932 add_X509_stack_fn_t set1_fn)
933 {
934 STACK_OF(X509) *certs;
935 int ok;
936
937 if (files == NULL)
938 return 1;
939 if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL)
940 return 0;
941 ok = (*set1_fn)(ctx, certs);
942 OSSL_STACK_OF_X509_free(certs);
943 return ok;
944 }
945
946 /*
947 * parse and transform some options, checking their syntax.
948 * Returns 1 on success, 0 on error
949 */
transform_opts(void)950 static int transform_opts(void)
951 {
952 if (opt_cmd_s != NULL) {
953 if (!strcmp(opt_cmd_s, "ir")) {
954 opt_cmd = CMP_IR;
955 } else if (!strcmp(opt_cmd_s, "kur")) {
956 opt_cmd = CMP_KUR;
957 } else if (!strcmp(opt_cmd_s, "cr")) {
958 opt_cmd = CMP_CR;
959 } else if (!strcmp(opt_cmd_s, "p10cr")) {
960 opt_cmd = CMP_P10CR;
961 } else if (!strcmp(opt_cmd_s, "rr")) {
962 opt_cmd = CMP_RR;
963 } else if (!strcmp(opt_cmd_s, "genm")) {
964 opt_cmd = CMP_GENM;
965 } else {
966 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
967 return 0;
968 }
969 } else {
970 CMP_err("no cmp command to execute");
971 return 0;
972 }
973
974 #ifndef OPENSSL_NO_ENGINE
975 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
976 #else
977 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
978 #endif
979
980 if (opt_keyform_s != NULL
981 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
982 CMP_err("unknown option given for key loading format");
983 return 0;
984 }
985
986 #undef FORMAT_OPTIONS
987
988 if (opt_certform_s != NULL
989 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
990 CMP_err("unknown option given for certificate storing format");
991 return 0;
992 }
993
994 return 1;
995 }
996
setup_srv_ctx(ENGINE * engine)997 static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
998 {
999 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
1000 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new(app_get0_libctx(),
1001 app_get0_propq());
1002
1003 if (srv_ctx == NULL)
1004 return NULL;
1005 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1006
1007 if (opt_srv_ref == NULL) {
1008 if (opt_srv_cert == NULL) {
1009 /* opt_srv_cert should determine the sender */
1010 CMP_err("must give -srv_ref for mock server if no -srv_cert given");
1011 goto err;
1012 }
1013 } else {
1014 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1015 strlen(opt_srv_ref)))
1016 goto err;
1017 }
1018
1019 if (opt_srv_secret != NULL) {
1020 int res;
1021 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of mock server");
1022
1023 if (pass_str != NULL) {
1024 cleanse(opt_srv_secret);
1025 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1026 strlen(pass_str));
1027 clear_free(pass_str);
1028 if (res == 0)
1029 goto err;
1030 }
1031 } else if (opt_srv_cert == NULL) {
1032 CMP_err("mock server credentials must be given if -use_mock_srv or -port is used");
1033 goto err;
1034 } else {
1035 CMP_warn("mock server will not be able to handle PBM-protected requests since -srv_secret is not given");
1036 }
1037
1038 if (opt_srv_secret == NULL
1039 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1040 CMP_err("must give both -srv_cert and -srv_key options or neither");
1041 goto err;
1042 }
1043 if (opt_srv_cert != NULL) {
1044 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1045 "certificate of the mock server");
1046
1047 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
1048 X509_free(srv_cert);
1049 goto err;
1050 }
1051 X509_free(srv_cert);
1052 }
1053 if (opt_srv_key != NULL) {
1054 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1055 opt_srv_keypass,
1056 engine, "private key for mock server cert");
1057
1058 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1059 EVP_PKEY_free(pkey);
1060 goto err;
1061 }
1062 EVP_PKEY_free(pkey);
1063 }
1064 cleanse(opt_srv_keypass);
1065
1066 if (opt_srv_trusted != NULL) {
1067 X509_STORE *ts =
1068 load_trusted(opt_srv_trusted, 0, "certs trusted by mock server");
1069
1070 if (ts == NULL || !OSSL_CMP_CTX_set0_trusted(ctx, ts)) {
1071 X509_STORE_free(ts);
1072 goto err;
1073 }
1074 } else {
1075 CMP_warn("mock server will not be able to handle signature-protected requests since -srv_trusted is not given");
1076 }
1077 if (!setup_certs(opt_srv_untrusted,
1078 "untrusted certificates for mock server", ctx,
1079 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1080 goto err;
1081
1082 if (opt_ref_cert != NULL) {
1083 X509 *cert = load_cert_pwd(opt_ref_cert, opt_keypass,
1084 "reference cert to be expected by the mock server");
1085
1086 if (cert == NULL)
1087 goto err;
1088 if (!ossl_cmp_mock_srv_set1_refCert(srv_ctx, cert)) {
1089 X509_free(cert);
1090 goto err;
1091 }
1092 X509_free(cert);
1093 }
1094 if (opt_rsp_cert == NULL) {
1095 CMP_warn("no -rsp_cert given for mock server");
1096 } else {
1097 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1098 "cert to be returned by the mock server");
1099
1100 if (cert == NULL)
1101 goto err;
1102 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1103 X509_free(cert);
1104 goto err;
1105 }
1106 X509_free(cert);
1107 }
1108 if (!setup_certs(opt_rsp_extracerts,
1109 "CMP extra certificates for mock server", srv_ctx,
1110 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut))
1111 goto err;
1112 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1113 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut))
1114 goto err;
1115 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1116 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1117 if (opt_grant_implicitconf)
1118 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1119
1120 if (opt_failure != INT_MIN) { /* option has been set explicitly */
1121 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1122 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1123 OSSL_CMP_PKIFAILUREINFO_MAX);
1124 goto err;
1125 }
1126 if (opt_failurebits != 0)
1127 CMP_warn("-failurebits overrides -failure");
1128 else
1129 opt_failurebits = 1 << opt_failure;
1130 }
1131 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1132 CMP_err("-failurebits out of range");
1133 goto err;
1134 }
1135 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1136 opt_failurebits, opt_statusstring))
1137 goto err;
1138
1139 if (opt_send_error)
1140 (void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
1141
1142 if (opt_send_unprotected)
1143 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1144 if (opt_send_unprot_err)
1145 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1146 if (opt_accept_unprotected)
1147 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1148 if (opt_accept_unprot_err)
1149 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1150 if (opt_accept_raverified)
1151 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1152
1153 return srv_ctx;
1154
1155 err:
1156 ossl_cmp_mock_srv_free(srv_ctx);
1157 return NULL;
1158 }
1159
1160 /*
1161 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1162 * Returns pointer on success, NULL on error
1163 */
setup_verification_ctx(OSSL_CMP_CTX * ctx)1164 static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1165 {
1166 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1167 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1168 return 0;
1169
1170 if (opt_srvcert != NULL || opt_trusted != NULL) {
1171 X509 *srvcert;
1172 X509_STORE *ts;
1173 int ok;
1174
1175 if (opt_srvcert != NULL) {
1176 if (opt_trusted != NULL) {
1177 CMP_warn("-trusted option is ignored since -srvcert option is present");
1178 opt_trusted = NULL;
1179 }
1180 if (opt_recipient != NULL) {
1181 CMP_warn("-recipient option is ignored since -srvcert option is present");
1182 opt_recipient = NULL;
1183 }
1184 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1185 "directly trusted CMP server certificate");
1186 ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert);
1187 X509_free(srvcert);
1188 if (!ok)
1189 return 0;
1190 }
1191 if (opt_trusted != NULL) {
1192 /*
1193 * the 0 arg below clears any expected host/ip/email address;
1194 * opt_expect_sender is used instead
1195 */
1196 ts = load_trusted(opt_trusted, 0, "certs trusted by client");
1197
1198 if (ts == NULL || !OSSL_CMP_CTX_set0_trusted(ctx, ts)) {
1199 X509_STORE_free(ts);
1200 return 0;
1201 }
1202 }
1203 }
1204
1205 if (opt_ignore_keyusage)
1206 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1207
1208 if (opt_unprotected_errors)
1209 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1210
1211 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1212 X509_VERIFY_PARAM *out_vpm = NULL;
1213 X509_STORE *out_trusted =
1214 load_trusted(opt_out_trusted, 1,
1215 "trusted certs for verifying newly enrolled cert");
1216
1217 if (out_trusted == NULL)
1218 return 0;
1219 /* ignore any -attime here, new certs are current anyway */
1220 out_vpm = X509_STORE_get0_param(out_trusted);
1221 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1222
1223 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1224 }
1225
1226 if (opt_disable_confirm)
1227 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1228
1229 if (opt_implicit_confirm)
1230 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1231
1232 return 1;
1233 }
1234
1235 #ifndef OPENSSL_NO_SOCK
1236 /*
1237 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1238 * Returns pointer on success, NULL on error
1239 */
setup_ssl_ctx(OSSL_CMP_CTX * ctx,const char * host,ENGINE * engine)1240 static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, const char *host,
1241 ENGINE *engine)
1242 {
1243 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(ctx);
1244 EVP_PKEY *pkey = NULL;
1245 X509_STORE *trust_store = NULL;
1246 SSL_CTX *ssl_ctx;
1247 int i;
1248
1249 ssl_ctx = SSL_CTX_new(TLS_client_method());
1250 if (ssl_ctx == NULL)
1251 return NULL;
1252
1253 if (opt_tls_trusted != NULL) {
1254 trust_store = load_trusted(opt_tls_trusted, 0, "trusted TLS certs");
1255 if (trust_store == NULL)
1256 goto err;
1257 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1258 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1259 } else {
1260 CMP_warn("-tls_used given without -tls_trusted; will not authenticate the TLS server");
1261 }
1262
1263 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1264 X509 *cert;
1265 STACK_OF(X509) *certs = NULL;
1266 int ok;
1267
1268 if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass,
1269 "TLS client certificate (optionally with chain)",
1270 vpm))
1271 /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */
1272 goto err;
1273
1274 ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0;
1275 X509_free(cert);
1276
1277 /*
1278 * Any further certs and any untrusted certs are used for constructing
1279 * the chain to be provided with the TLS client cert to the TLS server.
1280 */
1281 if (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) {
1282 CMP_err1("unable to use client TLS certificate file '%s'",
1283 opt_tls_cert);
1284 OSSL_STACK_OF_X509_free(certs);
1285 goto err;
1286 }
1287 for (i = 0; i < sk_X509_num(untrusted); i++) {
1288 cert = sk_X509_value(untrusted, i);
1289 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1290 CMP_err("could not add untrusted cert to TLS client cert chain");
1291 goto err;
1292 }
1293 }
1294
1295 {
1296 X509_VERIFY_PARAM *tls_vpm = NULL;
1297 unsigned long bak_flags = 0; /* compiler warns without init */
1298
1299 if (trust_store != NULL) {
1300 tls_vpm = X509_STORE_get0_param(trust_store);
1301 bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm);
1302 /* disable any cert status/revocation checking etc. */
1303 X509_VERIFY_PARAM_clear_flags(tls_vpm,
1304 ~(X509_V_FLAG_USE_CHECK_TIME
1305 | X509_V_FLAG_NO_CHECK_TIME));
1306 }
1307 CMP_debug("trying to build cert chain for own TLS cert");
1308 if (SSL_CTX_build_cert_chain(ssl_ctx,
1309 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1310 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1311 CMP_debug("success building cert chain for own TLS cert");
1312 } else {
1313 OSSL_CMP_CTX_print_errors(ctx);
1314 CMP_warn("could not build cert chain for own TLS cert");
1315 }
1316 if (trust_store != NULL)
1317 X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags);
1318 }
1319
1320 /* If present we append to the list also the certs from opt_tls_extra */
1321 if (opt_tls_extra != NULL) {
1322 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1323 opt_otherpass,
1324 "extra certificates for TLS",
1325 vpm);
1326 int res = 1;
1327
1328 if (tls_extra == NULL)
1329 goto err;
1330 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1331 cert = sk_X509_value(tls_extra, i);
1332 if (res != 0)
1333 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1334 if (res == 0)
1335 X509_free(cert);
1336 }
1337 sk_X509_free(tls_extra);
1338 if (res == 0) {
1339 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1340 goto err;
1341 }
1342 }
1343
1344 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1345 engine, "TLS client private key");
1346 cleanse(opt_tls_keypass);
1347 if (pkey == NULL)
1348 goto err;
1349 /*
1350 * verify the key matches the cert,
1351 * not using SSL_CTX_check_private_key(ssl_ctx)
1352 * because it gives poor and sometimes misleading diagnostics
1353 */
1354 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1355 pkey)) {
1356 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1357 opt_tls_key, opt_tls_cert);
1358 EVP_PKEY_free(pkey);
1359 pkey = NULL; /* otherwise, for some reason double free! */
1360 goto err;
1361 }
1362 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1363 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1364 EVP_PKEY_free(pkey);
1365 pkey = NULL; /* otherwise, for some reason double free! */
1366 goto err;
1367 }
1368 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1369 } else {
1370 CMP_warn("-tls_used given without -tls_key; cannot authenticate to the TLS server");
1371 }
1372 if (trust_store != NULL) {
1373 /*
1374 * Enable and parameterize server hostname/IP address check.
1375 * If we did this before checking our own TLS cert
1376 * the expected hostname would mislead the check.
1377 */
1378 if (!truststore_set_host_etc(trust_store,
1379 opt_tls_host != NULL ? opt_tls_host : host))
1380 goto err;
1381 }
1382 return ssl_ctx;
1383 err:
1384 SSL_CTX_free(ssl_ctx);
1385 return NULL;
1386 }
1387 #endif /* OPENSSL_NO_SOCK */
1388
1389 /*
1390 * set up protection aspects of OSSL_CMP_CTX based on options from config
1391 * file/CLI while parsing options and checking their consistency.
1392 * Returns 1 on success, 0 on error
1393 */
setup_protection_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1394 static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1395 {
1396 if (!opt_unprotected_requests && opt_secret == NULL && opt_key == NULL) {
1397 CMP_err("must give -key or -secret unless -unprotected_requests is used");
1398 return 0;
1399 }
1400
1401 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1402 /* cert or subject should determine the sender */
1403 CMP_err("must give -ref if no -cert and no -subject given");
1404 return 0;
1405 }
1406 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1407 CMP_err("must give both -cert and -key options or neither");
1408 return 0;
1409 }
1410 if (opt_secret != NULL) {
1411 char *pass_string = get_passwd(opt_secret, "PBMAC");
1412 int res;
1413
1414 if (pass_string != NULL) {
1415 cleanse(opt_secret);
1416 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1417 (unsigned char *)pass_string,
1418 strlen(pass_string));
1419 clear_free(pass_string);
1420 if (res == 0)
1421 return 0;
1422 }
1423 if (opt_cert != NULL || opt_key != NULL)
1424 CMP_warn("-cert and -key not used for protection since -secret is given");
1425 }
1426 if (opt_ref != NULL
1427 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1428 strlen(opt_ref)))
1429 return 0;
1430
1431 if (opt_key != NULL) {
1432 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1433 "private key for CMP client certificate");
1434
1435 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1436 EVP_PKEY_free(pkey);
1437 return 0;
1438 }
1439 EVP_PKEY_free(pkey);
1440 }
1441 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL)
1442 CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert");
1443
1444 if (opt_cert != NULL) {
1445 X509 *cert;
1446 STACK_OF(X509) *certs = NULL;
1447 X509_STORE *own_trusted = NULL;
1448 int ok;
1449
1450 if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass,
1451 "CMP client certificate (optionally with chain)",
1452 vpm))
1453 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1454 return 0;
1455 ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1456 X509_free(cert);
1457 if (!ok) {
1458 CMP_err("out of memory");
1459 } else {
1460 if (opt_own_trusted != NULL) {
1461 own_trusted = load_trusted(opt_own_trusted, 0,
1462 "trusted certs for verifying own CMP signer cert");
1463 ok = own_trusted != NULL;
1464 }
1465 ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs);
1466 }
1467 X509_STORE_free(own_trusted);
1468 OSSL_STACK_OF_X509_free(certs);
1469 if (!ok)
1470 return 0;
1471 } else if (opt_own_trusted != NULL) {
1472 CMP_warn("-own_trusted option is ignored without -cert");
1473 }
1474
1475 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1476 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut))
1477 return 0;
1478 cleanse(opt_otherpass);
1479
1480 if (opt_unprotected_requests)
1481 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1482
1483 if (opt_digest != NULL) {
1484 int digest = OBJ_ln2nid(opt_digest);
1485
1486 if (digest == NID_undef) {
1487 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1488 return 0;
1489 }
1490 if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest)
1491 || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) {
1492 CMP_err1("digest algorithm name not supported: '%s'", opt_digest);
1493 return 0;
1494 }
1495 }
1496
1497 if (opt_mac != NULL) {
1498 int mac = OBJ_ln2nid(opt_mac);
1499
1500 if (mac == NID_undef) {
1501 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1502 return 0;
1503 }
1504 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1505 }
1506 return 1;
1507 }
1508
1509 /*
1510 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1511 * based on options from config file/CLI.
1512 * Returns pointer on success, NULL on error
1513 */
setup_request_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1514 static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1515 {
1516 X509_REQ *csr = NULL;
1517 X509_EXTENSIONS *exts = NULL;
1518 X509V3_CTX ext_ctx;
1519
1520 if (opt_subject == NULL
1521 && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL
1522 && opt_cmd != CMP_RR && opt_cmd != CMP_GENM)
1523 CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback");
1524
1525 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
1526 if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
1527 CMP_err("missing -newkey (or -key) to be certified and no -csr given");
1528 return 0;
1529 }
1530 if (opt_certout == NULL) {
1531 CMP_err("-certout not given, nowhere to save newly enrolled certificate");
1532 return 0;
1533 }
1534 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1535 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1536 return 0;
1537 } else {
1538 const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'";
1539
1540 if (opt_subject != NULL) {
1541 if (opt_ref == NULL && opt_cert == NULL) {
1542 /* will use subject as sender unless oldcert subject is used */
1543 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject"))
1544 return 0;
1545 } else {
1546 CMP_warn1("-subject %s since -ref or -cert is given", msg);
1547 }
1548 }
1549 if (opt_issuer != NULL)
1550 CMP_warn1("-issuer %s", msg);
1551 if (opt_reqexts != NULL)
1552 CMP_warn1("-reqexts %s", msg);
1553 if (opt_san_nodefault)
1554 CMP_warn1("-san_nodefault %s", msg);
1555 if (opt_sans != NULL)
1556 CMP_warn1("-sans %s", msg);
1557 if (opt_policies != NULL)
1558 CMP_warn1("-policies %s", msg);
1559 if (opt_policy_oids != NULL)
1560 CMP_warn1("-policy_oids %s", msg);
1561 }
1562 if (opt_cmd == CMP_KUR) {
1563 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
1564
1565 if (ref_cert == NULL && opt_csr == NULL) {
1566 CMP_err("missing -oldcert for certificate to be updated and no -csr given");
1567 return 0;
1568 }
1569 if (opt_subject != NULL)
1570 CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR",
1571 opt_subject, ref_cert != NULL ? ref_cert : opt_csr);
1572 }
1573 if (opt_cmd == CMP_RR) {
1574 if (opt_oldcert == NULL && opt_csr == NULL) {
1575 CMP_err("missing -oldcert for certificate to be revoked and no -csr given");
1576 return 0;
1577 }
1578 if (opt_oldcert != NULL && opt_csr != NULL)
1579 CMP_warn("ignoring -csr since certificate to be revoked is given");
1580 }
1581 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
1582 CMP_err("missing PKCS#10 CSR for p10cr");
1583 return 0;
1584 }
1585
1586 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
1587 && opt_oldcert == NULL && opt_cert == NULL)
1588 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
1589
1590 if (opt_cmd == CMP_P10CR || opt_cmd == CMP_RR || opt_cmd == CMP_GENM) {
1591 const char *msg = "option is ignored for 'p10cr', 'rr', and 'genm' commands";
1592
1593 if (opt_newkeypass != NULL)
1594 CMP_warn1("-newkeypass %s", msg);
1595 if (opt_newkey != NULL)
1596 CMP_warn1("-newkey %s", msg);
1597 if (opt_days != 0)
1598 CMP_warn1("-days %s", msg);
1599 if (opt_popo != OSSL_CRMF_POPO_NONE - 1)
1600 CMP_warn1("-popo %s", msg);
1601 } else if (opt_newkey != NULL) {
1602 const char *file = opt_newkey;
1603 const int format = opt_keyform;
1604 const char *pass = opt_newkeypass;
1605 const char *desc = "new private key for cert to be enrolled";
1606 EVP_PKEY *pkey;
1607 int priv = 1;
1608 BIO *bio_bak = bio_err;
1609
1610 bio_err = NULL; /* suppress diagnostics on first try loading key */
1611 pkey = load_key_pwd(file, format, pass, engine, desc);
1612 bio_err = bio_bak;
1613 if (pkey == NULL) {
1614 ERR_clear_error();
1615 desc = opt_csr == NULL
1616 ? "fallback public key for cert to be enrolled"
1617 : "public key for checking cert resulting from p10cr";
1618 pkey = load_pubkey(file, format, 0, pass, engine, desc);
1619 priv = 0;
1620 }
1621 cleanse(opt_newkeypass);
1622 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1623 EVP_PKEY_free(pkey);
1624 return 0;
1625 }
1626 }
1627
1628 if (opt_days > 0
1629 && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1630 opt_days)) {
1631 CMP_err("could not set requested cert validity period");
1632 return 0;
1633 }
1634
1635 if (opt_policies != NULL && opt_policy_oids != NULL) {
1636 CMP_err("cannot have policies both via -policies and via -policy_oids");
1637 return 0;
1638 }
1639
1640 if (opt_csr != NULL) {
1641 if (opt_cmd == CMP_GENM) {
1642 CMP_warn("-csr option is ignored for command 'genm'");
1643 } else {
1644 if ((csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR")) == NULL)
1645 return 0;
1646 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr))
1647 goto oom;
1648 }
1649 }
1650 if (opt_reqexts != NULL || opt_policies != NULL) {
1651 if ((exts = sk_X509_EXTENSION_new_null()) == NULL)
1652 goto oom;
1653 X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE);
1654 X509V3_set_nconf(&ext_ctx, conf);
1655 if (opt_reqexts != NULL
1656 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1657 CMP_err1("cannot load certificate request extension section '%s'",
1658 opt_reqexts);
1659 goto exts_err;
1660 }
1661 if (opt_policies != NULL
1662 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1663 CMP_err1("cannot load policy cert request extension section '%s'",
1664 opt_policies);
1665 goto exts_err;
1666 }
1667 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1668 }
1669 X509_REQ_free(csr);
1670 /* After here, must not goto oom/exts_err */
1671
1672 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1673 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1674 return 0;
1675 }
1676 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1677 return 0;
1678
1679 if (opt_san_nodefault) {
1680 if (opt_sans != NULL)
1681 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1682 (void)OSSL_CMP_CTX_set_option(ctx,
1683 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1684 }
1685
1686 if (opt_policy_oids_critical) {
1687 if (opt_policy_oids == NULL)
1688 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1689 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1690 }
1691
1692 while (opt_policy_oids != NULL) {
1693 ASN1_OBJECT *policy;
1694 POLICYINFO *pinfo;
1695 char *next = next_item(opt_policy_oids);
1696
1697 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1698 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1699 return 0;
1700 }
1701
1702 if ((pinfo = POLICYINFO_new()) == NULL) {
1703 ASN1_OBJECT_free(policy);
1704 return 0;
1705 }
1706 pinfo->policyid = policy;
1707
1708 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1709 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1710 POLICYINFO_free(pinfo);
1711 return 0;
1712 }
1713 opt_policy_oids = next;
1714 }
1715
1716 if (opt_popo >= OSSL_CRMF_POPO_NONE)
1717 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1718
1719 if (opt_oldcert != NULL) {
1720 if (opt_cmd == CMP_GENM) {
1721 CMP_warn("-oldcert option is ignored for command 'genm'");
1722 } else {
1723 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1724 opt_cmd == CMP_KUR ?
1725 "certificate to be updated" :
1726 opt_cmd == CMP_RR ?
1727 "certificate to be revoked" :
1728 "reference certificate (oldcert)");
1729 /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */
1730
1731 if (oldcert == NULL)
1732 return 0;
1733 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1734 X509_free(oldcert);
1735 CMP_err("out of memory");
1736 return 0;
1737 }
1738 X509_free(oldcert);
1739 }
1740 }
1741 cleanse(opt_keypass);
1742 if (opt_revreason > CRL_REASON_NONE)
1743 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1744 opt_revreason);
1745
1746 return 1;
1747
1748 oom:
1749 CMP_err("out of memory");
1750 exts_err:
1751 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1752 X509_REQ_free(csr);
1753 return 0;
1754 }
1755
handle_opt_geninfo(OSSL_CMP_CTX * ctx)1756 static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1757 {
1758 long value;
1759 ASN1_OBJECT *type;
1760 ASN1_INTEGER *aint;
1761 ASN1_TYPE *val;
1762 OSSL_CMP_ITAV *itav;
1763 char *endstr;
1764 char *valptr = strchr(opt_geninfo, ':');
1765
1766 if (valptr == NULL) {
1767 CMP_err("missing ':' in -geninfo option");
1768 return 0;
1769 }
1770 valptr[0] = '\0';
1771 valptr++;
1772
1773 if (!CHECK_AND_SKIP_CASE_PREFIX(valptr, "int:")) {
1774 CMP_err("missing 'int:' in -geninfo option");
1775 return 0;
1776 }
1777
1778 value = strtol(valptr, &endstr, 10);
1779 if (endstr == valptr || *endstr != '\0') {
1780 CMP_err("cannot parse int in -geninfo option");
1781 return 0;
1782 }
1783
1784 type = OBJ_txt2obj(opt_geninfo, 1);
1785 if (type == NULL) {
1786 CMP_err("cannot parse OID in -geninfo option");
1787 return 0;
1788 }
1789
1790 if ((aint = ASN1_INTEGER_new()) == NULL)
1791 goto oom;
1792
1793 val = ASN1_TYPE_new();
1794 if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
1795 ASN1_INTEGER_free(aint);
1796 goto oom;
1797 }
1798 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
1799 itav = OSSL_CMP_ITAV_create(type, val);
1800 if (itav == NULL) {
1801 ASN1_TYPE_free(val);
1802 goto oom;
1803 }
1804
1805 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
1806 OSSL_CMP_ITAV_free(itav);
1807 return 0;
1808 }
1809 return 1;
1810
1811 oom:
1812 ASN1_OBJECT_free(type);
1813 CMP_err("out of memory");
1814 return 0;
1815 }
1816
1817 /*
1818 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
1819 * while parsing options and checking their consistency.
1820 * Prints reason for error to bio_err.
1821 * Returns 1 on success, 0 on error
1822 */
setup_client_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1823 static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1824 {
1825 int ret = 0;
1826 char *host = NULL, *port = NULL, *path = NULL, *used_path = opt_path;
1827 #ifndef OPENSSL_NO_SOCK
1828 int portnum, use_ssl;
1829 static char server_port[32] = { '\0' };
1830 const char *proxy_host = NULL;
1831 #endif
1832 char server_buf[200] = "mock server";
1833 char proxy_buf[200] = "";
1834
1835 if (!opt_use_mock_srv && opt_rspin == NULL) { /* note: -port is not given */
1836 #ifndef OPENSSL_NO_SOCK
1837 if (opt_server == NULL) {
1838 CMP_err("missing -server or -use_mock_srv or -rspin option");
1839 goto err;
1840 }
1841 #else
1842 CMP_err("missing -use_mock_srv or -rspin option; -server option is not supported due to no-sock build");
1843 goto err;
1844 #endif
1845 }
1846 #ifndef OPENSSL_NO_SOCK
1847 if (opt_server == NULL) {
1848 if (opt_proxy != NULL)
1849 CMP_warn("ignoring -proxy option since -server is not given");
1850 if (opt_no_proxy != NULL)
1851 CMP_warn("ignoring -no_proxy option since -server is not given");
1852 if (opt_tls_used) {
1853 CMP_warn("ignoring -tls_used option since -server is not given");
1854 opt_tls_used = 0;
1855 }
1856 goto set_path;
1857 }
1858 if (!OSSL_HTTP_parse_url(opt_server, &use_ssl, NULL /* user */, &host, &port,
1859 &portnum, &path, NULL /* q */, NULL /* frag */)) {
1860 CMP_err1("cannot parse -server URL: %s", opt_server);
1861 goto err;
1862 }
1863 if (use_ssl && !opt_tls_used) {
1864 CMP_err("missing -tls_used option since -server URL indicates HTTPS");
1865 goto err;
1866 }
1867
1868 BIO_snprintf(server_port, sizeof(server_port), "%s", port);
1869 if (opt_path == NULL)
1870 used_path = path;
1871 if (!OSSL_CMP_CTX_set1_server(ctx, host)
1872 || !OSSL_CMP_CTX_set_serverPort(ctx, portnum))
1873 goto oom;
1874 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
1875 goto oom;
1876 if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
1877 goto oom;
1878 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s:%s/%s",
1879 opt_tls_used ? "s" : "", host, port,
1880 *used_path == '/' ? used_path + 1 : used_path);
1881
1882 proxy_host = OSSL_HTTP_adapt_proxy(opt_proxy, opt_no_proxy, host, use_ssl);
1883 if (proxy_host != NULL)
1884 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", proxy_host);
1885
1886 set_path:
1887 #endif
1888
1889 if (!OSSL_CMP_CTX_set1_serverPath(ctx, used_path))
1890 goto oom;
1891 if (!transform_opts())
1892 goto err;
1893
1894 if (opt_infotype_s != NULL) {
1895 char id_buf[100] = "id-it-";
1896
1897 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
1898 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
1899 CMP_err("unknown OID name in -infotype option");
1900 goto err;
1901 }
1902 }
1903
1904 if (!setup_verification_ctx(ctx))
1905 goto err;
1906
1907 if (opt_keep_alive != 1)
1908 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_KEEP_ALIVE,
1909 opt_keep_alive);
1910 if (opt_total_timeout > 0 && opt_msg_timeout > 0
1911 && opt_total_timeout < opt_msg_timeout) {
1912 CMP_err2("-total_timeout argument = %d must not be < %d (-msg_timeout)",
1913 opt_total_timeout, opt_msg_timeout);
1914 goto err;
1915 }
1916 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
1917 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
1918 opt_msg_timeout);
1919 if (opt_total_timeout >= 0)
1920 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
1921 opt_total_timeout);
1922
1923 if (opt_reqin != NULL && opt_rspin != NULL)
1924 CMP_warn("-reqin is ignored since -rspin is present");
1925 if (opt_reqin_new_tid && opt_reqin == NULL)
1926 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
1927 if (opt_reqin != NULL || opt_reqout != NULL
1928 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
1929 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
1930
1931 #ifndef OPENSSL_NO_SOCK
1932 if (opt_tls_used) {
1933 APP_HTTP_TLS_INFO *info;
1934
1935 if (opt_tls_cert != NULL
1936 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
1937 if (opt_tls_key == NULL) {
1938 CMP_err("missing -tls_key option");
1939 goto err;
1940 } else if (opt_tls_cert == NULL) {
1941 CMP_err("missing -tls_cert option");
1942 goto err;
1943 }
1944 }
1945
1946 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
1947 goto err;
1948 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
1949 info->server = opt_server;
1950 info->port = server_port;
1951 /* workaround for callback design flaw, see #17088: */
1952 info->use_proxy = proxy_host != NULL;
1953 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
1954 info->ssl_ctx = setup_ssl_ctx(ctx, host, engine);
1955
1956 if (info->ssl_ctx == NULL)
1957 goto err;
1958 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
1959 }
1960 #endif
1961
1962 if (!setup_protection_ctx(ctx, engine))
1963 goto err;
1964
1965 if (!setup_request_ctx(ctx, engine))
1966 goto err;
1967
1968 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
1969 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
1970 ctx, "expected sender"))
1971 goto err;
1972
1973 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
1974 goto err;
1975
1976 /* not printing earlier, to minimize confusion in case setup fails before */
1977 if (opt_rspin != NULL)
1978 CMP_info("will not contact any server since -rspin is given");
1979 else
1980 CMP_info2("will contact %s%s", server_buf, proxy_buf);
1981
1982 ret = 1;
1983
1984 err:
1985 OPENSSL_free(host);
1986 OPENSSL_free(port);
1987 OPENSSL_free(path);
1988 return ret;
1989 oom:
1990 CMP_err("out of memory");
1991 goto err;
1992 }
1993
1994 /*
1995 * write out the given certificate to the output specified by bio.
1996 * Depending on options use either PEM or DER format.
1997 * Returns 1 on success, 0 on error
1998 */
write_cert(BIO * bio,X509 * cert)1999 static int write_cert(BIO *bio, X509 *cert)
2000 {
2001 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
2002 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
2003 return 1;
2004 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
2005 BIO_printf(bio_err,
2006 "error: unsupported type '%s' for writing certificates\n",
2007 opt_certform_s);
2008 return 0;
2009 }
2010
2011 /*
2012 * If file != NULL writes out a stack of certs to the given file.
2013 * If certs is NULL, the file is emptied.
2014 * Frees the certs if present.
2015 * Depending on options use either PEM or DER format,
2016 * where DER does not make much sense for writing more than one cert!
2017 * Returns number of written certificates on success, -1 on error.
2018 */
save_free_certs(OSSL_CMP_CTX * ctx,STACK_OF (X509)* certs,const char * file,const char * desc)2019 static int save_free_certs(OSSL_CMP_CTX *ctx, STACK_OF(X509) *certs,
2020 const char *file, const char *desc)
2021 {
2022 BIO *bio = NULL;
2023 int i;
2024 int n = sk_X509_num(certs /* may be NULL */);
2025
2026 if (n < 0)
2027 n = 0;
2028 if (file == NULL)
2029 goto end;
2030 if (certs != NULL)
2031 CMP_info3("received %d %s certificate(s), saving to file '%s'",
2032 n, desc, file);
2033 if (n > 1 && opt_certform != FORMAT_PEM)
2034 CMP_warn("saving more than one certificate in non-PEM format");
2035
2036 if ((bio = BIO_new(BIO_s_file())) == NULL
2037 || !BIO_write_filename(bio, (char *)file)) {
2038 CMP_err3("could not open file '%s' for %s %s certificate(s)",
2039 file, certs == NULL ? "deleting" : "writing", desc);
2040 n = -1;
2041 goto end;
2042 }
2043
2044 for (i = 0; i < n; i++) {
2045 if (!write_cert(bio, sk_X509_value(certs, i))) {
2046 CMP_err2("cannot write %s certificate to file '%s'", desc, file);
2047 n = -1;
2048 goto end;
2049 }
2050 }
2051
2052 end:
2053 BIO_free(bio);
2054 OSSL_STACK_OF_X509_free(certs);
2055 return n;
2056 }
2057
delete_certfile(const char * file,const char * desc)2058 static int delete_certfile(const char *file, const char *desc)
2059 {
2060 if (file == NULL)
2061 return 1;
2062
2063 if (unlink(file) != 0 && errno != ENOENT) {
2064 CMP_err2("Failed to delete %s, which should be done to indicate there is no %s cert",
2065 file, desc);
2066 return 0;
2067 }
2068 return 1;
2069 }
2070
save_cert(OSSL_CMP_CTX * ctx,X509 * cert,const char * file,const char * desc)2071 static int save_cert(OSSL_CMP_CTX *ctx, X509 *cert,
2072 const char *file, const char *desc)
2073 {
2074 if (file == NULL || cert == NULL) {
2075 return 1;
2076 } else {
2077 STACK_OF(X509) *certs = sk_X509_new_null();
2078
2079 if (!X509_add_cert(certs, cert, X509_ADD_FLAG_UP_REF)) {
2080 sk_X509_free(certs);
2081 return 0;
2082 }
2083 return save_free_certs(ctx, certs, file, desc) >= 0;
2084 }
2085 }
2086
print_itavs(const STACK_OF (OSSL_CMP_ITAV)* itavs)2087 static int print_itavs(const STACK_OF(OSSL_CMP_ITAV) *itavs)
2088 {
2089 int i, ret = 1;
2090 int n = sk_OSSL_CMP_ITAV_num(itavs);
2091
2092 if (n <= 0) { /* also in case itavs == NULL */
2093 CMP_info("genp does not contain any ITAV");
2094 return ret;
2095 }
2096
2097 for (i = 1; i <= n; i++) {
2098 OSSL_CMP_ITAV *itav = sk_OSSL_CMP_ITAV_value(itavs, i - 1);
2099 ASN1_OBJECT *type = OSSL_CMP_ITAV_get0_type(itav);
2100 char name[80];
2101
2102 if (itav == NULL) {
2103 CMP_err1("could not get ITAV #%d from genp", i);
2104 ret = 0;
2105 continue;
2106 }
2107 if (i2t_ASN1_OBJECT(name, sizeof(name), type) <= 0) {
2108 CMP_err1("error parsing type of ITAV #%d from genp", i);
2109 ret = 0;
2110 }
2111 else {
2112 CMP_info2("ITAV #%d from genp type=%s", i, name);
2113 }
2114 }
2115 return ret;
2116 }
2117
2118 static char opt_item[SECTION_NAME_MAX + 1];
2119 /* get previous name from a comma or space-separated list of names */
prev_item(const char * opt,const char * end)2120 static const char *prev_item(const char *opt, const char *end)
2121 {
2122 const char *beg;
2123 size_t len;
2124
2125 if (end == opt)
2126 return NULL;
2127 beg = end;
2128 while (beg > opt) {
2129 --beg;
2130 if (beg[0] == ',' || isspace(beg[0])) {
2131 ++beg;
2132 break;
2133 }
2134 }
2135 len = end - beg;
2136 if (len > SECTION_NAME_MAX) {
2137 CMP_warn3("using only first %d characters of section name starting with \"%.*s\"",
2138 SECTION_NAME_MAX, SECTION_NAME_MAX, beg);
2139 len = SECTION_NAME_MAX;
2140 }
2141 memcpy(opt_item, beg, len);
2142 opt_item[len] = '\0';
2143 while (beg > opt) {
2144 --beg;
2145 if (beg[0] != ',' && !isspace(beg[0])) {
2146 ++beg;
2147 break;
2148 }
2149 }
2150 return beg;
2151 }
2152
2153 /* 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)2154 static char *conf_get_string(const CONF *src_conf, const char *groups,
2155 const char *name)
2156 {
2157 char *res = NULL;
2158 const char *end = groups + strlen(groups);
2159
2160 while ((end = prev_item(groups, end)) != NULL) {
2161 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2162 return res;
2163 }
2164 return res;
2165 }
2166
2167 /* 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)2168 static int conf_get_number_e(const CONF *conf_, const char *groups,
2169 const char *name, long *result)
2170 {
2171 char *str = conf_get_string(conf_, groups, name);
2172 char *tailptr;
2173 long res;
2174
2175 if (str == NULL || *str == '\0')
2176 return 0;
2177
2178 res = strtol(str, &tailptr, 10);
2179 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2180 return 0;
2181
2182 *result = res;
2183 return 1;
2184 }
2185
2186 /*
2187 * use the command line option table to read values from the CMP section
2188 * of openssl.cnf. Defaults are taken from the config file, they can be
2189 * overwritten on the command line.
2190 */
read_config(void)2191 static int read_config(void)
2192 {
2193 unsigned int i;
2194 long num = 0;
2195 char *txt = NULL;
2196 const OPTIONS *opt;
2197 int start_opt = OPT_VERBOSITY - OPT_HELP;
2198 int start_idx = OPT_VERBOSITY - 2;
2199 /*
2200 * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION
2201 * would not make sense within the config file.
2202 */
2203 int n_options = OSSL_NELEM(cmp_options) - 1;
2204
2205 for (opt = &cmp_options[start_opt], i = start_idx;
2206 opt->name != NULL; i++, opt++)
2207 if (!strcmp(opt->name, OPT_SECTION_STR)
2208 || !strcmp(opt->name, OPT_MORE_STR))
2209 n_options--;
2210 OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options
2211 + OPT_PROV__FIRST + 1 - OPT_PROV__LAST
2212 + OPT_R__FIRST + 1 - OPT_R__LAST
2213 + OPT_V__FIRST + 1 - OPT_V__LAST);
2214 for (opt = &cmp_options[start_opt], i = start_idx;
2215 opt->name != NULL; i++, opt++) {
2216 int provider_option = (OPT_PROV__FIRST <= opt->retval
2217 && opt->retval < OPT_PROV__LAST);
2218 int rand_state_option = (OPT_R__FIRST <= opt->retval
2219 && opt->retval < OPT_R__LAST);
2220 int verification_option = (OPT_V__FIRST <= opt->retval
2221 && opt->retval < OPT_V__LAST);
2222
2223 if (strcmp(opt->name, OPT_SECTION_STR) == 0
2224 || strcmp(opt->name, OPT_MORE_STR) == 0) {
2225 i--;
2226 continue;
2227 }
2228 if (provider_option || rand_state_option || verification_option)
2229 i--;
2230 switch (opt->valtype) {
2231 case '-':
2232 case 'p':
2233 case 'n':
2234 case 'N':
2235 case 'l':
2236 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2237 ERR_clear_error();
2238 continue; /* option not provided */
2239 }
2240 if (opt->valtype == 'p' && num <= 0) {
2241 opt_printf_stderr("Non-positive number \"%ld\" for config option -%s\n",
2242 num, opt->name);
2243 return -1;
2244 }
2245 if (opt->valtype == 'N' && num < 0) {
2246 opt_printf_stderr("Negative number \"%ld\" for config option -%s\n",
2247 num, opt->name);
2248 return -1;
2249 }
2250 break;
2251 case 's':
2252 case '>':
2253 case 'M':
2254 txt = conf_get_string(conf, opt_section, opt->name);
2255 if (txt == NULL) {
2256 ERR_clear_error();
2257 continue; /* option not provided */
2258 }
2259 break;
2260 default:
2261 CMP_err2("internal: unsupported type '%c' for option '%s'",
2262 opt->valtype, opt->name);
2263 return 0;
2264 break;
2265 }
2266 if (provider_option || verification_option) {
2267 int conf_argc = 1;
2268 char *conf_argv[3];
2269 char arg1[82];
2270
2271 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2272 conf_argv[0] = prog;
2273 conf_argv[1] = arg1;
2274 if (opt->valtype == '-') {
2275 if (num != 0)
2276 conf_argc = 2;
2277 } else {
2278 conf_argc = 3;
2279 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2280 /* not NULL */
2281 }
2282 if (conf_argc > 1) {
2283 (void)opt_init(conf_argc, conf_argv, cmp_options);
2284
2285 if (provider_option
2286 ? !opt_provider(opt_next())
2287 : !opt_verify(opt_next(), vpm)) {
2288 CMP_err2("for option '%s' in config file section '%s'",
2289 opt->name, opt_section);
2290 return 0;
2291 }
2292 }
2293 } else {
2294 switch (opt->valtype) {
2295 case '-':
2296 case 'p':
2297 case 'n':
2298 case 'N':
2299 if (num < INT_MIN || INT_MAX < num) {
2300 BIO_printf(bio_err,
2301 "integer value out of range for option '%s'\n",
2302 opt->name);
2303 return 0;
2304 }
2305 *cmp_vars[i].num = (int)num;
2306 break;
2307 case 'l':
2308 *cmp_vars[i].num_long = num;
2309 break;
2310 default:
2311 if (txt != NULL && txt[0] == '\0')
2312 txt = NULL; /* reset option on empty string input */
2313 *cmp_vars[i].txt = txt;
2314 break;
2315 }
2316 }
2317 }
2318
2319 return 1;
2320 }
2321
opt_str(void)2322 static char *opt_str(void)
2323 {
2324 char *arg = opt_arg();
2325
2326 if (arg[0] == '\0') {
2327 CMP_warn1("%s option argument is empty string, resetting option",
2328 opt_flag());
2329 arg = NULL;
2330 } else if (arg[0] == '-') {
2331 CMP_warn1("%s option argument starts with hyphen", opt_flag());
2332 }
2333 return arg;
2334 }
2335
2336 /* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
get_opts(int argc,char ** argv)2337 static int get_opts(int argc, char **argv)
2338 {
2339 OPTION_CHOICE o;
2340
2341 prog = opt_init(argc, argv, cmp_options);
2342
2343 while ((o = opt_next()) != OPT_EOF) {
2344 switch (o) {
2345 case OPT_EOF:
2346 case OPT_ERR:
2347 opthelp:
2348 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
2349 return 0;
2350 case OPT_HELP:
2351 opt_help(cmp_options);
2352 return -1;
2353 case OPT_CONFIG: /* has already been handled */
2354 case OPT_SECTION: /* has already been handled */
2355 break;
2356 case OPT_VERBOSITY:
2357 if (!set_verbosity(opt_int_arg()))
2358 goto opthelp;
2359 break;
2360 #ifndef OPENSSL_NO_SOCK
2361 case OPT_SERVER:
2362 opt_server = opt_str();
2363 break;
2364 case OPT_PROXY:
2365 opt_proxy = opt_str();
2366 break;
2367 case OPT_NO_PROXY:
2368 opt_no_proxy = opt_str();
2369 break;
2370 #endif
2371 case OPT_RECIPIENT:
2372 opt_recipient = opt_str();
2373 break;
2374 case OPT_PATH:
2375 opt_path = opt_str();
2376 break;
2377 case OPT_KEEP_ALIVE:
2378 opt_keep_alive = opt_int_arg();
2379 if (opt_keep_alive > 2) {
2380 CMP_err("-keep_alive argument must be 0, 1, or 2");
2381 goto opthelp;
2382 }
2383 break;
2384 case OPT_MSG_TIMEOUT:
2385 opt_msg_timeout = opt_int_arg();
2386 break;
2387 case OPT_TOTAL_TIMEOUT:
2388 opt_total_timeout = opt_int_arg();
2389 break;
2390 #ifndef OPENSSL_NO_SOCK
2391 case OPT_TLS_USED:
2392 opt_tls_used = 1;
2393 break;
2394 case OPT_TLS_CERT:
2395 opt_tls_cert = opt_str();
2396 break;
2397 case OPT_TLS_KEY:
2398 opt_tls_key = opt_str();
2399 break;
2400 case OPT_TLS_KEYPASS:
2401 opt_tls_keypass = opt_str();
2402 break;
2403 case OPT_TLS_EXTRA:
2404 opt_tls_extra = opt_str();
2405 break;
2406 case OPT_TLS_TRUSTED:
2407 opt_tls_trusted = opt_str();
2408 break;
2409 case OPT_TLS_HOST:
2410 opt_tls_host = opt_str();
2411 break;
2412 #endif
2413
2414 case OPT_REF:
2415 opt_ref = opt_str();
2416 break;
2417 case OPT_SECRET:
2418 opt_secret = opt_str();
2419 break;
2420 case OPT_CERT:
2421 opt_cert = opt_str();
2422 break;
2423 case OPT_OWN_TRUSTED:
2424 opt_own_trusted = opt_str();
2425 break;
2426 case OPT_KEY:
2427 opt_key = opt_str();
2428 break;
2429 case OPT_KEYPASS:
2430 opt_keypass = opt_str();
2431 break;
2432 case OPT_DIGEST:
2433 opt_digest = opt_str();
2434 break;
2435 case OPT_MAC:
2436 opt_mac = opt_str();
2437 break;
2438 case OPT_EXTRACERTS:
2439 opt_extracerts = opt_str();
2440 break;
2441 case OPT_UNPROTECTED_REQUESTS:
2442 opt_unprotected_requests = 1;
2443 break;
2444
2445 case OPT_TRUSTED:
2446 opt_trusted = opt_str();
2447 break;
2448 case OPT_UNTRUSTED:
2449 opt_untrusted = opt_str();
2450 break;
2451 case OPT_SRVCERT:
2452 opt_srvcert = opt_str();
2453 break;
2454 case OPT_EXPECT_SENDER:
2455 opt_expect_sender = opt_str();
2456 break;
2457 case OPT_IGNORE_KEYUSAGE:
2458 opt_ignore_keyusage = 1;
2459 break;
2460 case OPT_UNPROTECTED_ERRORS:
2461 opt_unprotected_errors = 1;
2462 break;
2463 case OPT_SRVCERTOUT:
2464 opt_srvcertout = opt_str();
2465 break;
2466 case OPT_EXTRACERTSOUT:
2467 opt_extracertsout = opt_str();
2468 break;
2469 case OPT_CACERTSOUT:
2470 opt_cacertsout = opt_str();
2471 break;
2472
2473 case OPT_V_CASES:
2474 if (!opt_verify(o, vpm))
2475 goto opthelp;
2476 break;
2477 case OPT_CMD:
2478 opt_cmd_s = opt_str();
2479 break;
2480 case OPT_INFOTYPE:
2481 opt_infotype_s = opt_str();
2482 break;
2483 case OPT_GENINFO:
2484 opt_geninfo = opt_str();
2485 break;
2486
2487 case OPT_NEWKEY:
2488 opt_newkey = opt_str();
2489 break;
2490 case OPT_NEWKEYPASS:
2491 opt_newkeypass = opt_str();
2492 break;
2493 case OPT_SUBJECT:
2494 opt_subject = opt_str();
2495 break;
2496 case OPT_ISSUER:
2497 opt_issuer = opt_str();
2498 break;
2499 case OPT_DAYS:
2500 opt_days = opt_int_arg();
2501 break;
2502 case OPT_REQEXTS:
2503 opt_reqexts = opt_str();
2504 break;
2505 case OPT_SANS:
2506 opt_sans = opt_str();
2507 break;
2508 case OPT_SAN_NODEFAULT:
2509 opt_san_nodefault = 1;
2510 break;
2511 case OPT_POLICIES:
2512 opt_policies = opt_str();
2513 break;
2514 case OPT_POLICY_OIDS:
2515 opt_policy_oids = opt_str();
2516 break;
2517 case OPT_POLICY_OIDS_CRITICAL:
2518 opt_policy_oids_critical = 1;
2519 break;
2520 case OPT_POPO:
2521 opt_popo = opt_int_arg();
2522 if (opt_popo < OSSL_CRMF_POPO_NONE
2523 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2524 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2525 goto opthelp;
2526 }
2527 break;
2528 case OPT_CSR:
2529 opt_csr = opt_arg();
2530 break;
2531 case OPT_OUT_TRUSTED:
2532 opt_out_trusted = opt_str();
2533 break;
2534 case OPT_IMPLICIT_CONFIRM:
2535 opt_implicit_confirm = 1;
2536 break;
2537 case OPT_DISABLE_CONFIRM:
2538 opt_disable_confirm = 1;
2539 break;
2540 case OPT_CERTOUT:
2541 opt_certout = opt_str();
2542 break;
2543 case OPT_CHAINOUT:
2544 opt_chainout = opt_str();
2545 break;
2546 case OPT_OLDCERT:
2547 opt_oldcert = opt_str();
2548 break;
2549 case OPT_REVREASON:
2550 opt_revreason = opt_int_arg();
2551 if (opt_revreason < CRL_REASON_NONE
2552 || opt_revreason > CRL_REASON_AA_COMPROMISE
2553 || opt_revreason == 7) {
2554 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2555 goto opthelp;
2556 }
2557 break;
2558 case OPT_CERTFORM:
2559 opt_certform_s = opt_str();
2560 break;
2561 case OPT_KEYFORM:
2562 opt_keyform_s = opt_str();
2563 break;
2564 case OPT_OTHERPASS:
2565 opt_otherpass = opt_str();
2566 break;
2567 #ifndef OPENSSL_NO_ENGINE
2568 case OPT_ENGINE:
2569 opt_engine = opt_str();
2570 break;
2571 #endif
2572 case OPT_PROV_CASES:
2573 if (!opt_provider(o))
2574 goto opthelp;
2575 break;
2576 case OPT_R_CASES:
2577 if (!opt_rand(o))
2578 goto opthelp;
2579 break;
2580
2581 case OPT_BATCH:
2582 opt_batch = 1;
2583 break;
2584 case OPT_REPEAT:
2585 opt_repeat = opt_int_arg();
2586 break;
2587 case OPT_REQIN:
2588 opt_reqin = opt_str();
2589 break;
2590 case OPT_REQIN_NEW_TID:
2591 opt_reqin_new_tid = 1;
2592 break;
2593 case OPT_REQOUT:
2594 opt_reqout = opt_str();
2595 break;
2596 case OPT_RSPIN:
2597 opt_rspin = opt_str();
2598 break;
2599 case OPT_RSPOUT:
2600 opt_rspout = opt_str();
2601 break;
2602 case OPT_USE_MOCK_SRV:
2603 opt_use_mock_srv = 1;
2604 break;
2605
2606 #ifndef OPENSSL_NO_SOCK
2607 case OPT_PORT:
2608 opt_port = opt_str();
2609 break;
2610 case OPT_MAX_MSGS:
2611 opt_max_msgs = opt_int_arg();
2612 break;
2613 #endif
2614 case OPT_SRV_REF:
2615 opt_srv_ref = opt_str();
2616 break;
2617 case OPT_SRV_SECRET:
2618 opt_srv_secret = opt_str();
2619 break;
2620 case OPT_SRV_CERT:
2621 opt_srv_cert = opt_str();
2622 break;
2623 case OPT_SRV_KEY:
2624 opt_srv_key = opt_str();
2625 break;
2626 case OPT_SRV_KEYPASS:
2627 opt_srv_keypass = opt_str();
2628 break;
2629 case OPT_SRV_TRUSTED:
2630 opt_srv_trusted = opt_str();
2631 break;
2632 case OPT_SRV_UNTRUSTED:
2633 opt_srv_untrusted = opt_str();
2634 break;
2635 case OPT_REF_CERT:
2636 opt_ref_cert = opt_str();
2637 break;
2638 case OPT_RSP_CERT:
2639 opt_rsp_cert = opt_str();
2640 break;
2641 case OPT_RSP_EXTRACERTS:
2642 opt_rsp_extracerts = opt_str();
2643 break;
2644 case OPT_RSP_CAPUBS:
2645 opt_rsp_capubs = opt_str();
2646 break;
2647 case OPT_POLL_COUNT:
2648 opt_poll_count = opt_int_arg();
2649 break;
2650 case OPT_CHECK_AFTER:
2651 opt_check_after = opt_int_arg();
2652 break;
2653 case OPT_GRANT_IMPLICITCONF:
2654 opt_grant_implicitconf = 1;
2655 break;
2656 case OPT_PKISTATUS:
2657 opt_pkistatus = opt_int_arg();
2658 break;
2659 case OPT_FAILURE:
2660 opt_failure = opt_int_arg();
2661 break;
2662 case OPT_FAILUREBITS:
2663 opt_failurebits = opt_int_arg();
2664 break;
2665 case OPT_STATUSSTRING:
2666 opt_statusstring = opt_str();
2667 break;
2668 case OPT_SEND_ERROR:
2669 opt_send_error = 1;
2670 break;
2671 case OPT_SEND_UNPROTECTED:
2672 opt_send_unprotected = 1;
2673 break;
2674 case OPT_SEND_UNPROT_ERR:
2675 opt_send_unprot_err = 1;
2676 break;
2677 case OPT_ACCEPT_UNPROTECTED:
2678 opt_accept_unprotected = 1;
2679 break;
2680 case OPT_ACCEPT_UNPROT_ERR:
2681 opt_accept_unprot_err = 1;
2682 break;
2683 case OPT_ACCEPT_RAVERIFIED:
2684 opt_accept_raverified = 1;
2685 break;
2686 }
2687 }
2688
2689 /* No extra args. */
2690 if (!opt_check_rest_arg(NULL))
2691 goto opthelp;
2692 return 1;
2693 }
2694
2695 #ifndef OPENSSL_NO_SOCK
cmp_server(OSSL_CMP_CTX * srv_cmp_ctx)2696 static int cmp_server(OSSL_CMP_CTX *srv_cmp_ctx)
2697 {
2698 BIO *acbio;
2699 BIO *cbio = NULL;
2700 int keep_alive = 0;
2701 int msgs = 0;
2702 int retry = 1;
2703 int ret = 1;
2704
2705 if ((acbio = http_server_init(prog, opt_port, opt_verbosity)) == NULL)
2706 return 0;
2707 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2708 char *path = NULL;
2709 OSSL_CMP_MSG *req = NULL;
2710 OSSL_CMP_MSG *resp = NULL;
2711
2712 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2713 (ASN1_VALUE **)&req, &path,
2714 &cbio, acbio, &keep_alive,
2715 prog, 0, 0);
2716 if (ret == 0) { /* no request yet */
2717 if (retry) {
2718 ossl_sleep(1000);
2719 retry = 0;
2720 continue;
2721 }
2722 ret = 0;
2723 goto next;
2724 }
2725 if (ret++ == -1) /* fatal error */
2726 break;
2727
2728 ret = 0;
2729 msgs++;
2730 if (req != NULL) {
2731 if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2732 (void)http_server_send_status(cbio, 404, "Not Found");
2733 CMP_err1("expecting empty path or 'pkix/' but got '%s'",
2734 path);
2735 OPENSSL_free(path);
2736 OSSL_CMP_MSG_free(req);
2737 goto next;
2738 }
2739 OPENSSL_free(path);
2740 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2741 OSSL_CMP_MSG_free(req);
2742 if (resp == NULL) {
2743 (void)http_server_send_status(cbio,
2744 500, "Internal Server Error");
2745 break; /* treated as fatal error */
2746 }
2747 ret = http_server_send_asn1_resp(cbio, keep_alive,
2748 "application/pkixcmp",
2749 ASN1_ITEM_rptr(OSSL_CMP_MSG),
2750 (const ASN1_VALUE *)resp);
2751 OSSL_CMP_MSG_free(resp);
2752 if (!ret)
2753 break; /* treated as fatal error */
2754 }
2755 next:
2756 if (!ret) { /* on transmission error, cancel CMP transaction */
2757 (void)OSSL_CMP_CTX_set1_transactionID(srv_cmp_ctx, NULL);
2758 (void)OSSL_CMP_CTX_set1_senderNonce(srv_cmp_ctx, NULL);
2759 }
2760 if (!ret || !keep_alive
2761 || OSSL_CMP_CTX_get_status(srv_cmp_ctx) == -1
2762 /* transaction closed by OSSL_CMP_CTX_server_perform() */) {
2763 BIO_free_all(cbio);
2764 cbio = NULL;
2765 }
2766 }
2767
2768 BIO_free_all(cbio);
2769 BIO_free_all(acbio);
2770 return ret;
2771 }
2772 #endif
2773
cmp_main(int argc,char ** argv)2774 int cmp_main(int argc, char **argv)
2775 {
2776 char *configfile = NULL;
2777 int i;
2778 X509 *newcert = NULL;
2779 ENGINE *engine = NULL;
2780 OSSL_CMP_CTX *srv_cmp_ctx = NULL;
2781 int ret = 0; /* default: failure */
2782
2783 prog = opt_appname(argv[0]);
2784 if (argc <= 1) {
2785 opt_help(cmp_options);
2786 goto err;
2787 }
2788
2789 /*
2790 * handle options -config, -section, and -verbosity upfront
2791 * to take effect for other options
2792 */
2793 for (i = 1; i < argc - 1; i++) {
2794 if (*argv[i] == '-') {
2795 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2796 opt_config = argv[++i];
2797 else if (!strcmp(argv[i] + 1,
2798 cmp_options[OPT_SECTION - OPT_HELP].name))
2799 opt_section = argv[++i];
2800 else if (strcmp(argv[i] + 1,
2801 cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0
2802 && !set_verbosity(atoi(argv[++i])))
2803 goto err;
2804 }
2805 }
2806 if (opt_section[0] == '\0') /* empty string */
2807 opt_section = DEFAULT_SECTION;
2808
2809 vpm = X509_VERIFY_PARAM_new();
2810 if (vpm == NULL) {
2811 CMP_err("out of memory");
2812 goto err;
2813 }
2814
2815 /* read default values for options from config file */
2816 configfile = opt_config != NULL ? opt_config : default_config_file;
2817 if (configfile != NULL && configfile[0] != '\0' /* non-empty string */
2818 && (configfile != default_config_file
2819 || access(configfile, F_OK) != -1)) {
2820 CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'",
2821 opt_section, configfile);
2822 conf = app_load_config(configfile);
2823 if (conf == NULL) {
2824 goto err;
2825 } else {
2826 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2827 if (!NCONF_get_section(conf, opt_section))
2828 CMP_info2("no [%s] section found in config file '%s';"
2829 " will thus use just [default] and unnamed section if present",
2830 opt_section, configfile);
2831 } else {
2832 const char *end = opt_section + strlen(opt_section);
2833
2834 while ((end = prev_item(opt_section, end)) != NULL) {
2835 if (!NCONF_get_section(conf, opt_item)) {
2836 CMP_err2("no [%s] section found in config file '%s'",
2837 opt_item, configfile);
2838 goto err;
2839 }
2840 }
2841 }
2842 ret = read_config();
2843 if (!set_verbosity(opt_verbosity)) /* just for checking range */
2844 ret = -1;
2845 if (ret <= 0) {
2846 if (ret == -1)
2847 BIO_printf(bio_err, "Use -help for summary.\n");
2848 goto err;
2849 }
2850 }
2851 }
2852 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2853
2854 ret = get_opts(argc, argv);
2855 if (ret <= 0)
2856 goto err;
2857
2858 ret = 0;
2859 if (!delete_certfile(opt_srvcertout, "validated server")
2860 || !delete_certfile(opt_certout, "enrolled")
2861 || save_free_certs(NULL, NULL, opt_extracertsout, "extra") < 0
2862 || save_free_certs(NULL, NULL, opt_cacertsout, "CA") < 0
2863 || save_free_certs(NULL, NULL, opt_chainout, "chain") < 0)
2864 goto err;
2865
2866 if (!app_RAND_load())
2867 goto err;
2868
2869 if (opt_batch)
2870 set_base_ui_method(UI_null());
2871
2872 if (opt_engine != NULL) {
2873 engine = setup_engine_methods(opt_engine,
2874 0 /* not: ENGINE_METHOD_ALL */, 0);
2875 if (engine == NULL) {
2876 CMP_err1("cannot load engine %s", opt_engine);
2877 goto err;
2878 }
2879 }
2880
2881 cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq());
2882 if (cmp_ctx == NULL)
2883 goto err;
2884 OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity);
2885 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2886 CMP_err1("cannot set up error reporting and logging for %s", prog);
2887 goto err;
2888 }
2889
2890 #ifndef OPENSSL_NO_SOCK
2891 if (opt_tls_cert == NULL && opt_tls_key == NULL && opt_tls_keypass == NULL
2892 && opt_tls_extra == NULL && opt_tls_trusted == NULL
2893 && opt_tls_host == NULL) {
2894 if (opt_tls_used)
2895 CMP_warn("-tls_used given without any other TLS options");
2896 } else if (!opt_tls_used) {
2897 CMP_warn("ignoring TLS options(s) since -tls_used is not given");
2898 }
2899 if (opt_port != NULL) {
2900 if (opt_tls_used) {
2901 CMP_err("-tls_used option not supported with -port option");
2902 goto err;
2903 }
2904 if (opt_use_mock_srv || opt_server != NULL || opt_rspin != NULL) {
2905 CMP_err("cannot use -port with -use_mock_srv, -server, or -rspin options");
2906 goto err;
2907 }
2908 }
2909 if (opt_server != NULL && opt_use_mock_srv) {
2910 CMP_err("cannot use both -server and -use_mock_srv options");
2911 goto err;
2912 }
2913 #endif
2914 if (opt_rspin != NULL && opt_use_mock_srv) {
2915 CMP_err("cannot use both -rspin and -use_mock_srv options");
2916 goto err;
2917 }
2918
2919 if (opt_use_mock_srv
2920 #ifndef OPENSSL_NO_SOCK
2921 || opt_port != NULL
2922 #endif
2923 ) {
2924 OSSL_CMP_SRV_CTX *srv_ctx;
2925
2926 if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2927 goto err;
2928 srv_cmp_ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
2929 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2930 if (!OSSL_CMP_CTX_set_log_cb(srv_cmp_ctx, print_to_bio_err)) {
2931 CMP_err1("cannot set up error reporting and logging for %s", prog);
2932 goto err;
2933 }
2934 OSSL_CMP_CTX_set_log_verbosity(srv_cmp_ctx, opt_verbosity);
2935 }
2936
2937 #ifndef OPENSSL_NO_SOCK
2938 if (opt_tls_used && (opt_use_mock_srv || opt_rspin != NULL)) {
2939 CMP_warn("ignoring -tls_used option since -use_mock_srv or -rspin is given");
2940 opt_tls_used = 0;
2941 }
2942
2943 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2944 ret = cmp_server(srv_cmp_ctx);
2945 goto err;
2946 }
2947
2948 /* act as CMP client, possibly using internal mock server */
2949
2950 if (opt_server != NULL) {
2951 if (opt_rspin != NULL) {
2952 CMP_warn("ignoring -server option since -rspin is given");
2953 opt_server = NULL;
2954 }
2955 }
2956 #endif
2957
2958 if (!setup_client_ctx(cmp_ctx, engine)) {
2959 CMP_err("cannot set up CMP context");
2960 goto err;
2961 }
2962 for (i = 0; i < opt_repeat; i++) {
2963 /* everything is ready, now connect and perform the command! */
2964 switch (opt_cmd) {
2965 case CMP_IR:
2966 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
2967 if (newcert != NULL)
2968 ret = 1;
2969 break;
2970 case CMP_KUR:
2971 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
2972 if (newcert != NULL)
2973 ret = 1;
2974 break;
2975 case CMP_CR:
2976 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
2977 if (newcert != NULL)
2978 ret = 1;
2979 break;
2980 case CMP_P10CR:
2981 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
2982 if (newcert != NULL)
2983 ret = 1;
2984 break;
2985 case CMP_RR:
2986 ret = OSSL_CMP_exec_RR_ses(cmp_ctx);
2987 break;
2988 case CMP_GENM:
2989 {
2990 STACK_OF(OSSL_CMP_ITAV) *itavs;
2991
2992 if (opt_infotype != NID_undef) {
2993 OSSL_CMP_ITAV *itav =
2994 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
2995
2996 if (itav == NULL)
2997 goto err;
2998 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
2999 }
3000
3001 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) != NULL) {
3002 ret = print_itavs(itavs);
3003 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
3004 } else {
3005 CMP_err("could not obtain ITAVs from genp");
3006 }
3007 break;
3008 }
3009 default:
3010 break;
3011 }
3012 if (OSSL_CMP_CTX_get_status(cmp_ctx) < 0)
3013 goto err; /* we got no response, maybe even did not send request */
3014
3015 {
3016 /* print PKIStatusInfo */
3017 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
3018 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
3019 const char *string =
3020 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
3021 OSSL_CMP_PKISI_BUFLEN);
3022 const char *from = "", *server = "";
3023
3024 #ifndef OPENSSL_NO_SOCK
3025 if (opt_server != NULL) {
3026 from = " from ";
3027 server = opt_server;
3028 }
3029 #endif
3030 CMP_print(bio_err,
3031 status == OSSL_CMP_PKISTATUS_accepted
3032 ? OSSL_CMP_LOG_INFO :
3033 status == OSSL_CMP_PKISTATUS_rejection
3034 || status == OSSL_CMP_PKISTATUS_waiting
3035 ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING,
3036 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
3037 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
3038 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
3039 : "warning",
3040 "received%s%s %s", from, server,
3041 string != NULL ? string : "<unknown PKIStatus>");
3042 OPENSSL_free(buf);
3043 }
3044
3045 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx),
3046 opt_extracertsout, "extra") < 0)
3047 ret = 0;
3048 if (!ret)
3049 goto err;
3050 ret = 0;
3051 if (!save_cert(cmp_ctx, OSSL_CMP_CTX_get0_validatedSrvCert(cmp_ctx),
3052 opt_srvcertout, "validated server"))
3053 goto err;
3054 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx),
3055 opt_cacertsout, "CA") < 0)
3056 goto err;
3057 if (!save_cert(cmp_ctx, newcert, opt_certout, "enrolled"))
3058 goto err;
3059 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx),
3060 opt_chainout, "chain") < 0)
3061 goto err;
3062
3063 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
3064 goto err;
3065 }
3066 ret = 1;
3067
3068 err:
3069 /* in case we ended up here on error without proper cleaning */
3070 cleanse(opt_keypass);
3071 cleanse(opt_newkeypass);
3072 cleanse(opt_otherpass);
3073 #ifndef OPENSSL_NO_SOCK
3074 cleanse(opt_tls_keypass);
3075 #endif
3076 cleanse(opt_secret);
3077 cleanse(opt_srv_keypass);
3078 cleanse(opt_srv_secret);
3079
3080 if (ret != 1)
3081 OSSL_CMP_CTX_print_errors(cmp_ctx);
3082
3083 if (cmp_ctx != NULL) {
3084 #ifndef OPENSSL_NO_SOCK
3085 APP_HTTP_TLS_INFO *info = OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3086
3087 #endif
3088 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3089 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3090 /* cannot free info already here, as it may be used indirectly by: */
3091 OSSL_CMP_CTX_free(cmp_ctx);
3092 #ifndef OPENSSL_NO_SOCK
3093 APP_HTTP_TLS_INFO_free(info);
3094 #endif
3095 }
3096 X509_VERIFY_PARAM_free(vpm);
3097 release_engine(engine);
3098
3099 NCONF_free(conf); /* must not do as long as opt_... variables are used */
3100 OSSL_CMP_log_close();
3101
3102 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS; /* ret == -1 for -help */
3103 }
3104
