1 /*
2 * Copyright 2007-2023 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Nokia 2007-2019
4 * Copyright Siemens AG 2015-2019
5 *
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12 /* This app is disabled when OPENSSL_NO_CMP is defined. */
13
14 #include <string.h>
15 #include <ctype.h>
16
17 #include "apps.h"
18 #include "http_server.h"
19 #include "s_apps.h"
20 #include "progs.h"
21
22 #include "cmp_mock_srv.h"
23
24 /* tweaks needed due to missing unistd.h on Windows */
25 #if defined(_WIN32) && !defined(__BORLANDC__)
26 # define access _access
27 #endif
28 #ifndef F_OK
29 # define F_OK 0
30 #endif
31
32 #include <openssl/ui.h>
33 #include <openssl/pkcs12.h>
34 #include <openssl/ssl.h>
35
36 /* explicit #includes not strictly needed since implied by the above: */
37 #include <stdlib.h>
38 #include <openssl/cmp.h>
39 #include <openssl/cmp_util.h>
40 #include <openssl/crmf.h>
41 #include <openssl/crypto.h>
42 #include <openssl/err.h>
43 #include <openssl/store.h>
44 #include <openssl/objects.h>
45 #include <openssl/x509.h>
46
47 static char *prog;
48 static char *opt_config = NULL;
49 #define CMP_SECTION "cmp"
50 #define SECTION_NAME_MAX 40 /* max length of section name */
51 #define DEFAULT_SECTION "default"
52 static char *opt_section = CMP_SECTION;
53 static int opt_verbosity = OSSL_CMP_LOG_INFO;
54
55 static int read_config(void);
56
57 static CONF *conf = NULL; /* OpenSSL config file context structure */
58 static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
59
60 /* the type of cmp command we want to send */
61 typedef enum {
62 CMP_IR,
63 CMP_KUR,
64 CMP_CR,
65 CMP_P10CR,
66 CMP_RR,
67 CMP_GENM
68 } cmp_cmd_t;
69
70 /* message transfer */
71 #ifndef OPENSSL_NO_SOCK
72 static char *opt_server = NULL;
73 static char *opt_proxy = NULL;
74 static char *opt_no_proxy = NULL;
75 #endif
76 static char *opt_recipient = NULL;
77 static char *opt_path = NULL;
78 static int opt_keep_alive = 1;
79 static int opt_msg_timeout = -1;
80 static int opt_total_timeout = -1;
81
82 /* server authentication */
83 static char *opt_trusted = NULL;
84 static char *opt_untrusted = NULL;
85 static char *opt_srvcert = NULL;
86 static char *opt_expect_sender = NULL;
87 static int opt_ignore_keyusage = 0;
88 static int opt_unprotected_errors = 0;
89 static char *opt_extracertsout = NULL;
90 static char *opt_cacertsout = NULL;
91
92 /* client authentication */
93 static char *opt_ref = NULL;
94 static char *opt_secret = NULL;
95 static char *opt_cert = NULL;
96 static char *opt_own_trusted = NULL;
97 static char *opt_key = NULL;
98 static char *opt_keypass = NULL;
99 static char *opt_digest = NULL;
100 static char *opt_mac = NULL;
101 static char *opt_extracerts = NULL;
102 static int opt_unprotected_requests = 0;
103
104 /* generic message */
105 static char *opt_cmd_s = NULL;
106 static int opt_cmd = -1;
107 static char *opt_geninfo = NULL;
108 static char *opt_infotype_s = NULL;
109 static int opt_infotype = NID_undef;
110
111 /* certificate enrollment */
112 static char *opt_newkey = NULL;
113 static char *opt_newkeypass = NULL;
114 static char *opt_subject = NULL;
115 static char *opt_issuer = NULL;
116 static int opt_days = 0;
117 static char *opt_reqexts = NULL;
118 static char *opt_sans = NULL;
119 static int opt_san_nodefault = 0;
120 static char *opt_policies = NULL;
121 static char *opt_policy_oids = NULL;
122 static int opt_policy_oids_critical = 0;
123 static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
124 static char *opt_csr = NULL;
125 static char *opt_out_trusted = NULL;
126 static int opt_implicit_confirm = 0;
127 static int opt_disable_confirm = 0;
128 static char *opt_certout = NULL;
129 static char *opt_chainout = NULL;
130
131 /* certificate enrollment and revocation */
132 static char *opt_oldcert = NULL;
133 static int opt_revreason = CRL_REASON_NONE;
134
135 /* credentials format */
136 static char *opt_certform_s = "PEM";
137 static int opt_certform = FORMAT_PEM;
138 static char *opt_keyform_s = NULL;
139 static int opt_keyform = FORMAT_UNDEF;
140 static char *opt_otherpass = NULL;
141 static char *opt_engine = NULL;
142
143 #ifndef OPENSSL_NO_SOCK
144 /* TLS connection */
145 static int opt_tls_used = 0;
146 static char *opt_tls_cert = NULL;
147 static char *opt_tls_key = NULL;
148 static char *opt_tls_keypass = NULL;
149 static char *opt_tls_extra = NULL;
150 static char *opt_tls_trusted = NULL;
151 static char *opt_tls_host = NULL;
152 #endif
153
154 /* client-side debugging */
155 static int opt_batch = 0;
156 static int opt_repeat = 1;
157 static char *opt_reqin = NULL;
158 static int opt_reqin_new_tid = 0;
159 static char *opt_reqout = NULL;
160 static char *opt_rspin = NULL;
161 static int rspin_in_use = 0;
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_rsp_cert = NULL;
179 static char *opt_rsp_extracerts = NULL;
180 static char *opt_rsp_capubs = NULL;
181 static int opt_poll_count = 0;
182 static int opt_check_after = 1;
183 static int opt_grant_implicitconf = 0;
184
185 static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
186 static int opt_failure = INT_MIN;
187 static int opt_failurebits = 0;
188 static char *opt_statusstring = NULL;
189 static int opt_send_error = 0;
190 static int opt_send_unprotected = 0;
191 static int opt_send_unprot_err = 0;
192 static int opt_accept_unprotected = 0;
193 static int opt_accept_unprot_err = 0;
194 static int opt_accept_raverified = 0;
195
196 static X509_VERIFY_PARAM *vpm = NULL;
197
198 typedef enum OPTION_choice {
199 OPT_COMMON,
200 OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
201
202 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
203
204 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
205 OPT_DAYS, OPT_REQEXTS,
206 OPT_SANS, OPT_SAN_NODEFAULT,
207 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
208 OPT_POPO, OPT_CSR,
209 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
210 OPT_CERTOUT, OPT_CHAINOUT,
211
212 OPT_OLDCERT, OPT_REVREASON,
213
214 #ifndef OPENSSL_NO_SOCK
215 OPT_SERVER, OPT_PROXY, OPT_NO_PROXY,
216 #endif
217 OPT_RECIPIENT, OPT_PATH,
218 OPT_KEEP_ALIVE, OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
219
220 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
221 OPT_EXPECT_SENDER,
222 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
223 OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
224
225 OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
226 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
227 OPT_UNPROTECTED_REQUESTS,
228
229 OPT_CERTFORM, OPT_KEYFORM,
230 OPT_OTHERPASS,
231 #ifndef OPENSSL_NO_ENGINE
232 OPT_ENGINE,
233 #endif
234 OPT_PROV_ENUM,
235 OPT_R_ENUM,
236
237 #ifndef OPENSSL_NO_SOCK
238 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
239 OPT_TLS_KEYPASS,
240 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
241 #endif
242
243 OPT_BATCH, OPT_REPEAT,
244 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
245 OPT_USE_MOCK_SRV,
246
247 #ifndef OPENSSL_NO_SOCK
248 OPT_PORT, OPT_MAX_MSGS,
249 #endif
250 OPT_SRV_REF, OPT_SRV_SECRET,
251 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
252 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
253 OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
254 OPT_POLL_COUNT, OPT_CHECK_AFTER,
255 OPT_GRANT_IMPLICITCONF,
256 OPT_PKISTATUS, OPT_FAILURE,
257 OPT_FAILUREBITS, OPT_STATUSSTRING,
258 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
259 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
260 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
261
262 OPT_V_ENUM
263 } OPTION_CHOICE;
264
265 const OPTIONS cmp_options[] = {
266 /* entries must be in the same order as enumerated above!! */
267 {"help", OPT_HELP, '-', "Display this summary"},
268 {"config", OPT_CONFIG, 's',
269 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
270 {"section", OPT_SECTION, 's',
271 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
272 {"verbosity", OPT_VERBOSITY, 'N',
273 "Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
274
275 OPT_SECTION("Generic message"),
276 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
277 {"infotype", OPT_INFOTYPE, 's',
278 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
279 {"geninfo", OPT_GENINFO, 's',
280 "generalInfo integer values to place in request PKIHeader with given OID"},
281 {OPT_MORE_STR, 0, 0,
282 "specified in the form <OID>:int:<n>, e.g. \"1.2.3.4:int:56789\""},
283
284 OPT_SECTION("Certificate enrollment"),
285 {"newkey", OPT_NEWKEY, 's',
286 "Private or public key for the requested cert. Default: CSR key or client key"},
287 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
288 {"subject", OPT_SUBJECT, 's',
289 "Distinguished Name (DN) of subject to use in the requested cert template"},
290 {OPT_MORE_STR, 0, 0,
291 "For kur, default is subject of -csr arg or reference cert (see -oldcert)"},
292 {OPT_MORE_STR, 0, 0,
293 "this default is used for ir and cr only if no Subject Alt Names are set"},
294 {"issuer", OPT_ISSUER, 's',
295 "DN of the issuer to place in the requested certificate template"},
296 {OPT_MORE_STR, 0, 0,
297 "also used as recipient if neither -recipient nor -srvcert are given"},
298 {"days", OPT_DAYS, 'N',
299 "Requested validity time of the new certificate in number of days"},
300 {"reqexts", OPT_REQEXTS, 's',
301 "Name of config file section defining certificate request extensions."},
302 {OPT_MORE_STR, 0, 0,
303 "Augments or replaces any extensions contained CSR given with -csr"},
304 {"sans", OPT_SANS, 's',
305 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
306 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
307 "Do not take default SANs from reference certificate (see -oldcert)"},
308 {"policies", OPT_POLICIES, 's',
309 "Name of config file section defining policies certificate request extension"},
310 {"policy_oids", OPT_POLICY_OIDS, 's',
311 "Policy OID(s) to add as policies certificate request extension"},
312 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
313 "Flag the policy OID(s) given with -policy_oids as critical"},
314 {"popo", OPT_POPO, 'n',
315 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
316 {OPT_MORE_STR, 0, 0,
317 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
318 {"csr", OPT_CSR, 's',
319 "PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
320 {"out_trusted", OPT_OUT_TRUSTED, 's',
321 "Certificates to trust when verifying newly enrolled certificates"},
322 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
323 "Request implicit confirmation of newly enrolled certificates"},
324 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
325 "Do not confirm newly enrolled certificate w/o requesting implicit"},
326 {OPT_MORE_STR, 0, 0,
327 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
328 {"certout", OPT_CERTOUT, 's',
329 "File to save newly enrolled certificate"},
330 {"chainout", OPT_CHAINOUT, 's',
331 "File to save the chain of newly enrolled certificate"},
332
333 OPT_SECTION("Certificate enrollment and revocation"),
334
335 {"oldcert", OPT_OLDCERT, 's',
336 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
337 {OPT_MORE_STR, 0, 0,
338 "also used as reference (defaulting to -cert) for subject DN and SANs."},
339 {OPT_MORE_STR, 0, 0,
340 "Issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
341 {"revreason", OPT_REVREASON, 'n',
342 "Reason code to include in revocation request (rr); possible values:"},
343 {OPT_MORE_STR, 0, 0,
344 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
345
346 OPT_SECTION("Message transfer"),
347 #ifdef OPENSSL_NO_SOCK
348 {OPT_MORE_STR, 0, 0,
349 "NOTE: -server, -proxy, and -no_proxy not supported due to no-sock build"},
350 #else
351 {"server", OPT_SERVER, 's',
352 "[http[s]://]address[:port][/path] of CMP server. Default port 80 or 443."},
353 {OPT_MORE_STR, 0, 0,
354 "address may be a DNS name or an IP address; path can be overridden by -path"},
355 {"proxy", OPT_PROXY, 's',
356 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
357 {"no_proxy", OPT_NO_PROXY, 's',
358 "List of addresses of servers not to use HTTP(S) proxy for"},
359 {OPT_MORE_STR, 0, 0,
360 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
361 #endif
362 {"recipient", OPT_RECIPIENT, 's',
363 "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
364 {"path", OPT_PATH, 's',
365 "HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
366 {"keep_alive", OPT_KEEP_ALIVE, 'N',
367 "Persistent HTTP connections. 0: no, 1 (the default): request, 2: require"},
368 {"msg_timeout", OPT_MSG_TIMEOUT, 'N',
369 "Number of seconds allowed per CMP message round trip, or 0 for infinite"},
370 {"total_timeout", OPT_TOTAL_TIMEOUT, 'N',
371 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
372
373 OPT_SECTION("Server authentication"),
374 {"trusted", OPT_TRUSTED, 's',
375 "Certificates to use as trust anchors when verifying signed CMP responses"},
376 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
377 {"untrusted", OPT_UNTRUSTED, 's',
378 "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
379 {"srvcert", OPT_SRVCERT, 's',
380 "Server cert to pin and trust directly when verifying signed CMP responses"},
381 {"expect_sender", OPT_EXPECT_SENDER, 's',
382 "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
383 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
384 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
385 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
386 "Accept missing or invalid protection of regular error messages and negative"},
387 {OPT_MORE_STR, 0, 0,
388 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
389 {OPT_MORE_STR, 0, 0,
390 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
391 {"extracertsout", OPT_EXTRACERTSOUT, 's',
392 "File to save extra certificates received in the extraCerts field"},
393 {"cacertsout", OPT_CACERTSOUT, 's',
394 "File to save CA certificates received in the caPubs field of 'ip' messages"},
395
396 OPT_SECTION("Client authentication"),
397 {"ref", OPT_REF, 's',
398 "Reference value to use as senderKID in case no -cert is given"},
399 {"secret", OPT_SECRET, 's',
400 "Prefer PBM (over signatures) for protecting msgs with given password source"},
401 {"cert", OPT_CERT, 's',
402 "Client's CMP signer certificate; its public key must match the -key argument"},
403 {OPT_MORE_STR, 0, 0,
404 "This also used as default reference for subject DN and SANs."},
405 {OPT_MORE_STR, 0, 0,
406 "Any further certs included are appended to the untrusted certs"},
407 {"own_trusted", OPT_OWN_TRUSTED, 's',
408 "Optional certs to verify chain building for own CMP signer cert"},
409 {"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
410 {"keypass", OPT_KEYPASS, 's',
411 "Client private key (and cert and old cert) pass phrase source"},
412 {"digest", OPT_DIGEST, 's',
413 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
414 {"mac", OPT_MAC, 's',
415 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
416 {"extracerts", OPT_EXTRACERTS, 's',
417 "Certificates to append in extraCerts field of outgoing messages."},
418 {OPT_MORE_STR, 0, 0,
419 "This can be used as the default CMP signer cert chain to include"},
420 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
421 "Send request messages without CMP-level protection"},
422
423 OPT_SECTION("Credentials format"),
424 {"certform", OPT_CERTFORM, 's',
425 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
426 {"keyform", OPT_KEYFORM, 's',
427 "Format of the key input (ENGINE, other values ignored)"},
428 {"otherpass", OPT_OTHERPASS, 's',
429 "Pass phrase source potentially needed for loading certificates of others"},
430 #ifndef OPENSSL_NO_ENGINE
431 {"engine", OPT_ENGINE, 's',
432 "Use crypto engine with given identifier, possibly a hardware device."},
433 {OPT_MORE_STR, 0, 0,
434 "Engines may also be defined in OpenSSL config file engine section."},
435 #endif
436 OPT_PROV_OPTIONS,
437 OPT_R_OPTIONS,
438
439 OPT_SECTION("TLS connection"),
440 #ifdef OPENSSL_NO_SOCK
441 {OPT_MORE_STR, 0, 0,
442 "NOTE: -tls_used and all other TLS options not supported due to no-sock build"},
443 #else
444 {"tls_used", OPT_TLS_USED, '-',
445 "Enable using TLS (also when other TLS options are not set)"},
446 {"tls_cert", OPT_TLS_CERT, 's',
447 "Client's TLS certificate. May include chain to be provided to TLS server"},
448 {"tls_key", OPT_TLS_KEY, 's',
449 "Private key for the client's TLS certificate"},
450 {"tls_keypass", OPT_TLS_KEYPASS, 's',
451 "Pass phrase source for the client's private TLS key (and TLS cert)"},
452 {"tls_extra", OPT_TLS_EXTRA, 's',
453 "Extra certificates to provide to TLS server during TLS handshake"},
454 {"tls_trusted", OPT_TLS_TRUSTED, 's',
455 "Trusted certificates to use for verifying the TLS server certificate;"},
456 {OPT_MORE_STR, 0, 0, "this implies host name validation"},
457 {"tls_host", OPT_TLS_HOST, 's',
458 "Address to be checked (rather than -server) during TLS host name validation"},
459 #endif
460
461 OPT_SECTION("Client-side debugging"),
462 {"batch", OPT_BATCH, '-',
463 "Do not interactively prompt for input when a password is required etc."},
464 {"repeat", OPT_REPEAT, 'p',
465 "Invoke the transaction the given positive number of times. Default 1"},
466 {"reqin", OPT_REQIN, 's',
467 "Take sequence of CMP requests to send to server from file(s)"},
468 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
469 "Use fresh transactionID for CMP requests read from -reqin"},
470 {"reqout", OPT_REQOUT, 's',
471 "Save sequence of CMP requests created by the client to file(s)"},
472 {"rspin", OPT_RSPIN, 's',
473 "Process sequence of CMP responses provided in file(s), skipping server"},
474 {"rspout", OPT_RSPOUT, 's',
475 "Save sequence of actually used 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 {"rsp_cert", OPT_RSP_CERT, 's',
506 "Certificate to be returned as mock enrollment result"},
507 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
508 "Extra certificates to be included in mock certification responses"},
509 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
510 "CA certificates to be included in mock ip response"},
511 {"poll_count", OPT_POLL_COUNT, 'N',
512 "Number of times the client must poll before receiving a certificate"},
513 {"check_after", OPT_CHECK_AFTER, 'N',
514 "The check_after value (time to wait) to include in poll response"},
515 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
516 "Grant implicit confirmation of newly enrolled certificate"},
517
518 {"pkistatus", OPT_PKISTATUS, 'N',
519 "PKIStatus to be included in server response. Possible values: 0..6"},
520 {"failure", OPT_FAILURE, 'N',
521 "A single failure info bit number to include in server response, 0..26"},
522 {"failurebits", OPT_FAILUREBITS, 'N',
523 "Number representing failure bits to include in server response, 0..2^27 - 1"},
524 {"statusstring", OPT_STATUSSTRING, 's',
525 "Status string to be included in server response"},
526 {"send_error", OPT_SEND_ERROR, '-',
527 "Force server to reply with error message"},
528 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
529 "Send response messages without CMP-level protection"},
530 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
531 "In case of negative responses, server shall send unprotected error messages,"},
532 {OPT_MORE_STR, 0, 0,
533 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
534 {OPT_MORE_STR, 0, 0,
535 "WARNING: This setting leads to behavior violating RFC 4210"},
536 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
537 "Accept missing or invalid protection of requests"},
538 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
539 "Accept unprotected error messages from client"},
540 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
541 "Accept RAVERIFIED as proof-of-possession (POPO)"},
542
543 OPT_V_OPTIONS,
544 {NULL}
545 };
546
547 typedef union {
548 char **txt;
549 int *num;
550 long *num_long;
551 } varref;
552 static varref cmp_vars[] = { /* must be in same order as enumerated above! */
553 {&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
554
555 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
556
557 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
558 {(char **)&opt_days}, {&opt_reqexts},
559 {&opt_sans}, {(char **)&opt_san_nodefault},
560 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
561 {(char **)&opt_popo}, {&opt_csr},
562 {&opt_out_trusted},
563 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
564 {&opt_certout}, {&opt_chainout},
565
566 {&opt_oldcert}, {(char **)&opt_revreason},
567
568 #ifndef OPENSSL_NO_SOCK
569 {&opt_server}, {&opt_proxy}, {&opt_no_proxy},
570 #endif
571 {&opt_recipient}, {&opt_path}, {(char **)&opt_keep_alive},
572 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
573
574 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
575 {&opt_expect_sender},
576 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
577 {&opt_extracertsout}, {&opt_cacertsout},
578
579 {&opt_ref}, {&opt_secret},
580 {&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
581 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
582 {(char **)&opt_unprotected_requests},
583
584 {&opt_certform_s}, {&opt_keyform_s},
585 {&opt_otherpass},
586 #ifndef OPENSSL_NO_ENGINE
587 {&opt_engine},
588 #endif
589
590 #ifndef OPENSSL_NO_SOCK
591 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
592 {&opt_tls_keypass},
593 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
594 #endif
595
596 {(char **)&opt_batch}, {(char **)&opt_repeat},
597 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
598 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
599
600 {(char **)&opt_use_mock_srv},
601 #ifndef OPENSSL_NO_SOCK
602 {&opt_port}, {(char **)&opt_max_msgs},
603 #endif
604 {&opt_srv_ref}, {&opt_srv_secret},
605 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
606 {&opt_srv_trusted}, {&opt_srv_untrusted},
607 {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
608 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
609 {(char **)&opt_grant_implicitconf},
610 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
611 {(char **)&opt_failurebits}, {&opt_statusstring},
612 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
613 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
614 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
615
616 {NULL}
617 };
618
619 #define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
620 ? "CMP" : OPENSSL_FUNC)
621 #define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
622 ((void)(level > opt_verbosity ? 0 : \
623 (BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
624 FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
625 #define CMP_DEBUG(m, a1, a2, a3) \
626 CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
627 #define CMP_debug(msg) CMP_DEBUG(msg"%s%s%s", "", "", "")
628 #define CMP_debug1(msg, a1) CMP_DEBUG(msg"%s%s", a1, "", "")
629 #define CMP_debug2(msg, a1, a2) CMP_DEBUG(msg"%s", a1, a2, "")
630 #define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg, a1, a2, a3)
631 #define CMP_INFO(msg, a1, a2, a3) \
632 CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
633 #define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
634 #define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
635 #define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
636 #define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
637 #define CMP_WARN(m, a1, a2, a3) \
638 CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
639 #define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
640 #define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
641 #define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
642 #define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
643 #define CMP_ERR(msg, a1, a2, a3) \
644 CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
645 #define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
646 #define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
647 #define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
648 #define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
649
print_to_bio_out(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)650 static int print_to_bio_out(const char *func, const char *file, int line,
651 OSSL_CMP_severity level, const char *msg)
652 {
653 return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
654 }
655
print_to_bio_err(const char * func,const char * file,int line,OSSL_CMP_severity level,const char * msg)656 static int print_to_bio_err(const char *func, const char *file, int line,
657 OSSL_CMP_severity level, const char *msg)
658 {
659 return OSSL_CMP_print_to_bio(bio_err, func, file, line, level, msg);
660 }
661
set_verbosity(int level)662 static int set_verbosity(int level)
663 {
664 if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
665 CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
666 return 0;
667 }
668 opt_verbosity = level;
669 return 1;
670 }
671
load_key_pwd(const char * uri,int format,const char * pass,ENGINE * eng,const char * desc)672 static EVP_PKEY *load_key_pwd(const char *uri, int format,
673 const char *pass, ENGINE *eng, const char *desc)
674 {
675 char *pass_string = get_passwd(pass, desc);
676 EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
677
678 clear_free(pass_string);
679 return pkey;
680 }
681
load_cert_pwd(const char * uri,const char * pass,const char * desc)682 static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
683 {
684 X509 *cert;
685 char *pass_string = get_passwd(pass, desc);
686
687 cert = load_cert_pass(uri, FORMAT_UNDEF, 0, pass_string, desc);
688 clear_free(pass_string);
689 return cert;
690 }
691
load_csr_autofmt(const char * infile,const char * desc)692 static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
693 {
694 X509_REQ *csr;
695 BIO *bio_bak = bio_err;
696
697 bio_err = NULL; /* do not show errors on more than one try */
698 csr = load_csr(infile, FORMAT_PEM, desc);
699 bio_err = bio_bak;
700 if (csr == NULL) {
701 ERR_clear_error();
702 csr = load_csr(infile, FORMAT_ASN1, desc);
703 }
704 if (csr == NULL) {
705 ERR_print_errors(bio_err);
706 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
707 infile);
708 } else {
709 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
710 int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */);
711
712 if (pkey == NULL || ret < 0)
713 CMP_warn("error while verifying CSR self-signature");
714 else if (ret == 0)
715 CMP_warn("CSR self-signature does not match the contents");
716 }
717 return csr;
718 }
719
720 /* set expected host name/IP addr and clears the email addr in the given ts */
truststore_set_host_etc(X509_STORE * ts,const char * host)721 static int truststore_set_host_etc(X509_STORE *ts, const char *host)
722 {
723 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
724
725 /* first clear any host names, IP, and email addresses */
726 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
727 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
728 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
729 return 0;
730 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
731 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
732 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
733 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
734 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
735 }
736
737 /* write OSSL_CMP_MSG DER-encoded to the specified file name item */
write_PKIMESSAGE(const OSSL_CMP_MSG * msg,char ** filenames)738 static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
739 {
740 char *file;
741
742 if (msg == NULL || filenames == NULL) {
743 CMP_err("NULL arg to write_PKIMESSAGE");
744 return 0;
745 }
746 if (*filenames == NULL) {
747 CMP_err("not enough file names provided for writing PKIMessage");
748 return 0;
749 }
750
751 file = *filenames;
752 *filenames = next_item(file);
753 if (OSSL_CMP_MSG_write(file, msg) < 0) {
754 CMP_err1("cannot write PKIMessage to file '%s'", file);
755 return 0;
756 }
757 return 1;
758 }
759
760 /* read DER-encoded OSSL_CMP_MSG from the specified file name item */
read_PKIMESSAGE(const char * desc,char ** filenames)761 static OSSL_CMP_MSG *read_PKIMESSAGE(const char *desc, char **filenames)
762 {
763 char *file;
764 OSSL_CMP_MSG *ret;
765
766 if (filenames == NULL || desc == NULL) {
767 CMP_err("NULL arg to read_PKIMESSAGE");
768 return NULL;
769 }
770 if (*filenames == NULL) {
771 CMP_err("not enough file names provided for reading PKIMessage");
772 return NULL;
773 }
774
775 file = *filenames;
776 *filenames = next_item(file);
777
778 ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq());
779 if (ret == NULL)
780 CMP_err1("cannot read PKIMessage from file '%s'", file);
781 else
782 CMP_info2("%s %s", desc, 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 (req != NULL && opt_reqout != NULL
801 && !write_PKIMESSAGE(req, &opt_reqout))
802 goto err;
803 if (opt_reqin != NULL && opt_rspin == NULL) {
804 if ((req_new = read_PKIMESSAGE("actually sending", &opt_reqin)) == NULL)
805 goto err;
806 /*-
807 * The transaction ID in req_new read from opt_reqin may not be fresh.
808 * In this case the server may complain "Transaction id already in use."
809 * The following workaround unfortunately requires re-protection.
810 */
811 if (opt_reqin_new_tid
812 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
813 goto err;
814
815 /*
816 * Except for first request, need to satisfy recipNonce check by server.
817 * Unfortunately requires re-protection if protection is required.
818 */
819 if (!OSSL_CMP_MSG_update_recipNonce(ctx, req_new))
820 goto err;
821 }
822
823 if (opt_rspin != NULL) {
824 res = read_PKIMESSAGE("actually using", &opt_rspin);
825 } else {
826 const OSSL_CMP_MSG *actual_req = req_new != NULL ? req_new : req;
827
828 if (opt_use_mock_srv) {
829 if (rspin_in_use)
830 CMP_warn("too few -rspin filename arguments; resorting to using mock server");
831 res = OSSL_CMP_CTX_server_perform(ctx, actual_req);
832 } else {
833 #ifndef OPENSSL_NO_SOCK
834 if (opt_server == NULL) {
835 CMP_err("missing -server or -use_mock_srv option, or too few -rspin filename arguments");
836 goto err;
837 }
838 if (rspin_in_use)
839 CMP_warn("too few -rspin filename arguments; resorting to contacting server");
840 res = OSSL_CMP_MSG_http_perform(ctx, actual_req);
841 #else
842 CMP_err("-server not supported on no-sock build; missing -use_mock_srv option or too few -rspin filename arguments");
843 #endif
844 }
845 rspin_in_use = 0;
846 }
847 if (res == NULL)
848 goto err;
849
850 if (req_new != NULL || prev_opt_rspin != NULL) {
851 /* need to satisfy nonce and transactionID checks by client */
852 ASN1_OCTET_STRING *nonce;
853 ASN1_OCTET_STRING *tid;
854
855 hdr = OSSL_CMP_MSG_get0_header(res);
856 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
857 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
858 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
859 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
860 OSSL_CMP_MSG_free(res);
861 res = NULL;
862 goto err;
863 }
864 }
865
866 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
867 OSSL_CMP_MSG_free(res);
868 res = NULL;
869 }
870
871 err:
872 OSSL_CMP_MSG_free(req_new);
873 return res;
874 }
875
set_name(const char * str,int (* set_fn)(OSSL_CMP_CTX * ctx,const X509_NAME * name),OSSL_CMP_CTX * ctx,const char * desc)876 static int set_name(const char *str,
877 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
878 OSSL_CMP_CTX *ctx, const char *desc)
879 {
880 if (str != NULL) {
881 X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
882
883 if (n == NULL)
884 return 0;
885 if (!(*set_fn) (ctx, n)) {
886 X509_NAME_free(n);
887 CMP_err("out of memory");
888 return 0;
889 }
890 X509_NAME_free(n);
891 }
892 return 1;
893 }
894
set_gennames(OSSL_CMP_CTX * ctx,char * names,const char * desc)895 static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
896 {
897 char *next;
898
899 for (; names != NULL; names = next) {
900 GENERAL_NAME *n;
901
902 next = next_item(names);
903 if (strcmp(names, "critical") == 0) {
904 (void)OSSL_CMP_CTX_set_option(ctx,
905 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
906 1);
907 continue;
908 }
909
910 /* try IP address first, then URI or domain name */
911 (void)ERR_set_mark();
912 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
913 if (n == NULL)
914 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
915 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
916 names, 0);
917 (void)ERR_pop_to_mark();
918
919 if (n == NULL) {
920 CMP_err2("bad syntax of %s '%s'", desc, names);
921 return 0;
922 }
923 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
924 GENERAL_NAME_free(n);
925 CMP_err("out of memory");
926 return 0;
927 }
928 GENERAL_NAME_free(n);
929 }
930 return 1;
931 }
932
load_trusted(char * input,int for_new_cert,const char * desc)933 static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
934 {
935 X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
936
937 if (ts == NULL)
938 return NULL;
939 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
940
941 /* copy vpm to store */
942 if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
943 && (for_new_cert || truststore_set_host_etc(ts, NULL)))
944 return ts;
945 BIO_printf(bio_err, "error setting verification parameters for %s\n", desc);
946 OSSL_CMP_CTX_print_errors(cmp_ctx);
947 X509_STORE_free(ts);
948 return NULL;
949 }
950
951 typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
952
setup_certs(char * files,const char * desc,void * ctx,add_X509_stack_fn_t set1_fn)953 static int setup_certs(char *files, const char *desc, void *ctx,
954 add_X509_stack_fn_t set1_fn)
955 {
956 STACK_OF(X509) *certs;
957 int ok;
958
959 if (files == NULL)
960 return 1;
961 if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL)
962 return 0;
963 ok = (*set1_fn)(ctx, certs);
964 sk_X509_pop_free(certs, X509_free);
965 return ok;
966 }
967
968
969 /*
970 * parse and transform some options, checking their syntax.
971 * Returns 1 on success, 0 on error
972 */
transform_opts(void)973 static int transform_opts(void)
974 {
975 if (opt_cmd_s != NULL) {
976 if (!strcmp(opt_cmd_s, "ir")) {
977 opt_cmd = CMP_IR;
978 } else if (!strcmp(opt_cmd_s, "kur")) {
979 opt_cmd = CMP_KUR;
980 } else if (!strcmp(opt_cmd_s, "cr")) {
981 opt_cmd = CMP_CR;
982 } else if (!strcmp(opt_cmd_s, "p10cr")) {
983 opt_cmd = CMP_P10CR;
984 } else if (!strcmp(opt_cmd_s, "rr")) {
985 opt_cmd = CMP_RR;
986 } else if (!strcmp(opt_cmd_s, "genm")) {
987 opt_cmd = CMP_GENM;
988 } else {
989 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
990 return 0;
991 }
992 } else {
993 CMP_err("no cmp command to execute");
994 return 0;
995 }
996
997 #ifndef OPENSSL_NO_ENGINE
998 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
999 #else
1000 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
1001 #endif
1002
1003 if (opt_keyform_s != NULL
1004 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
1005 CMP_err("unknown option given for key loading format");
1006 return 0;
1007 }
1008
1009 #undef FORMAT_OPTIONS
1010
1011 if (opt_certform_s != NULL
1012 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
1013 CMP_err("unknown option given for certificate storing format");
1014 return 0;
1015 }
1016
1017 return 1;
1018 }
1019
setup_srv_ctx(ENGINE * engine)1020 static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
1021 {
1022 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
1023 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new(app_get0_libctx(),
1024 app_get0_propq());
1025
1026 if (srv_ctx == NULL)
1027 return NULL;
1028 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1029
1030 if (opt_srv_ref == NULL) {
1031 if (opt_srv_cert == NULL) {
1032 /* opt_srv_cert should determine the sender */
1033 CMP_err("must give -srv_ref for mock server if no -srv_cert given");
1034 goto err;
1035 }
1036 } else {
1037 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1038 strlen(opt_srv_ref)))
1039 goto err;
1040 }
1041
1042 if (opt_srv_secret != NULL) {
1043 int res;
1044 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of mock server");
1045
1046 if (pass_str != NULL) {
1047 cleanse(opt_srv_secret);
1048 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1049 strlen(pass_str));
1050 clear_free(pass_str);
1051 if (res == 0)
1052 goto err;
1053 }
1054 } else if (opt_srv_cert == NULL) {
1055 CMP_err("server credentials (-srv_secret or -srv_cert) must be given if -use_mock_srv or -port is used");
1056 goto err;
1057 } else {
1058 CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
1059 }
1060
1061 if (opt_srv_secret == NULL
1062 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1063 CMP_err("must give both -srv_cert and -srv_key options or neither");
1064 goto err;
1065 }
1066 if (opt_srv_cert != NULL) {
1067 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1068 "certificate of the mock server");
1069
1070 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
1071 X509_free(srv_cert);
1072 goto err;
1073 }
1074 X509_free(srv_cert);
1075 }
1076 if (opt_srv_key != NULL) {
1077 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1078 opt_srv_keypass,
1079 engine, "private key for mock server cert");
1080
1081 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1082 EVP_PKEY_free(pkey);
1083 goto err;
1084 }
1085 EVP_PKEY_free(pkey);
1086 }
1087 cleanse(opt_srv_keypass);
1088
1089 if (opt_srv_trusted != NULL) {
1090 X509_STORE *ts =
1091 load_trusted(opt_srv_trusted, 0, "certs trusted by mock server");
1092
1093 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1094 X509_STORE_free(ts);
1095 goto err;
1096 }
1097 } else {
1098 CMP_warn("mock server will not be able to handle signature-protected requests since -srv_trusted is not given");
1099 }
1100 if (!setup_certs(opt_srv_untrusted,
1101 "untrusted certificates for mock server", ctx,
1102 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1103 goto err;
1104
1105 if (opt_rsp_cert == NULL) {
1106 CMP_warn("no -rsp_cert given for mock server");
1107 } else {
1108 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1109 "cert to be returned by the mock server");
1110
1111 if (cert == NULL)
1112 goto err;
1113 /* from server perspective the server is the client */
1114 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1115 X509_free(cert);
1116 goto err;
1117 }
1118 X509_free(cert);
1119 }
1120 if (!setup_certs(opt_rsp_extracerts,
1121 "CMP extra certificates for mock server", srv_ctx,
1122 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut))
1123 goto err;
1124 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1125 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut))
1126 goto err;
1127 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1128 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1129 if (opt_grant_implicitconf)
1130 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1131
1132 if (opt_failure != INT_MIN) { /* option has been set explicity */
1133 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1134 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1135 OSSL_CMP_PKIFAILUREINFO_MAX);
1136 goto err;
1137 }
1138 if (opt_failurebits != 0)
1139 CMP_warn("-failurebits overrides -failure");
1140 else
1141 opt_failurebits = 1 << opt_failure;
1142 }
1143 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1144 CMP_err("-failurebits out of range");
1145 goto err;
1146 }
1147 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1148 opt_failurebits, opt_statusstring))
1149 goto err;
1150
1151 if (opt_send_error)
1152 (void)ossl_cmp_mock_srv_set_sendError(srv_ctx, 1);
1153
1154 if (opt_send_unprotected)
1155 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1156 if (opt_send_unprot_err)
1157 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1158 if (opt_accept_unprotected)
1159 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1160 if (opt_accept_unprot_err)
1161 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1162 if (opt_accept_raverified)
1163 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1164
1165 return srv_ctx;
1166
1167 err:
1168 ossl_cmp_mock_srv_free(srv_ctx);
1169 return NULL;
1170 }
1171
1172 /*
1173 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1174 * Returns pointer on success, NULL on error
1175 */
setup_verification_ctx(OSSL_CMP_CTX * ctx)1176 static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1177 {
1178 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1179 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1180 return 0;
1181
1182 if (opt_srvcert != NULL || opt_trusted != NULL) {
1183 X509 *srvcert;
1184 X509_STORE *ts;
1185 int ok;
1186
1187 if (opt_srvcert != NULL) {
1188 if (opt_trusted != NULL) {
1189 CMP_warn("-trusted option is ignored since -srvcert option is present");
1190 opt_trusted = NULL;
1191 }
1192 if (opt_recipient != NULL) {
1193 CMP_warn("-recipient option is ignored since -srvcert option is present");
1194 opt_recipient = NULL;
1195 }
1196 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1197 "directly trusted CMP server certificate");
1198 ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert);
1199 X509_free(srvcert);
1200 if (!ok)
1201 return 0;
1202 }
1203 if (opt_trusted != NULL) {
1204 /*
1205 * the 0 arg below clears any expected host/ip/email address;
1206 * opt_expect_sender is used instead
1207 */
1208 ts = load_trusted(opt_trusted, 0, "certs trusted by client");
1209
1210 if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1211 X509_STORE_free(ts);
1212 return 0;
1213 }
1214 }
1215 }
1216
1217 if (opt_ignore_keyusage)
1218 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1219
1220 if (opt_unprotected_errors)
1221 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1222
1223 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1224 X509_VERIFY_PARAM *out_vpm = NULL;
1225 X509_STORE *out_trusted =
1226 load_trusted(opt_out_trusted, 1,
1227 "trusted certs for verifying newly enrolled cert");
1228
1229 if (out_trusted == NULL)
1230 return 0;
1231 /* ignore any -attime here, new certs are current anyway */
1232 out_vpm = X509_STORE_get0_param(out_trusted);
1233 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1234
1235 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1236 }
1237
1238 if (opt_disable_confirm)
1239 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1240
1241 if (opt_implicit_confirm)
1242 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1243
1244 return 1;
1245 }
1246
1247 #ifndef OPENSSL_NO_SOCK
1248 /*
1249 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1250 * Returns pointer on success, NULL on error
1251 */
setup_ssl_ctx(OSSL_CMP_CTX * ctx,const char * host,ENGINE * engine)1252 static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, const char *host,
1253 ENGINE *engine)
1254 {
1255 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(ctx);
1256 EVP_PKEY *pkey = NULL;
1257 X509_STORE *trust_store = NULL;
1258 SSL_CTX *ssl_ctx;
1259 int i;
1260
1261 ssl_ctx = SSL_CTX_new(TLS_client_method());
1262 if (ssl_ctx == NULL)
1263 return NULL;
1264
1265 if (opt_tls_trusted != NULL) {
1266 trust_store = load_trusted(opt_tls_trusted, 0, "trusted TLS certs");
1267 if (trust_store == NULL)
1268 goto err;
1269 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1270 }
1271
1272 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1273 X509 *cert;
1274 STACK_OF(X509) *certs = NULL;
1275 int ok;
1276
1277 if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass,
1278 "TLS client certificate (optionally with chain)",
1279 vpm))
1280 /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */
1281 goto err;
1282
1283 ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0;
1284 X509_free(cert);
1285
1286 /*
1287 * Any further certs and any untrusted certs are used for constructing
1288 * the chain to be provided with the TLS client cert to the TLS server.
1289 */
1290 if (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) {
1291 CMP_err1("unable to use client TLS certificate file '%s'",
1292 opt_tls_cert);
1293 sk_X509_pop_free(certs, X509_free);
1294 goto err;
1295 }
1296 for (i = 0; i < sk_X509_num(untrusted); i++) {
1297 cert = sk_X509_value(untrusted, i);
1298 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1299 CMP_err("could not add untrusted cert to TLS client cert chain");
1300 goto err;
1301 }
1302 }
1303
1304 {
1305 X509_VERIFY_PARAM *tls_vpm = NULL;
1306 unsigned long bak_flags = 0; /* compiler warns without init */
1307
1308 if (trust_store != NULL) {
1309 tls_vpm = X509_STORE_get0_param(trust_store);
1310 bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm);
1311 /* disable any cert status/revocation checking etc. */
1312 X509_VERIFY_PARAM_clear_flags(tls_vpm,
1313 ~(X509_V_FLAG_USE_CHECK_TIME
1314 | X509_V_FLAG_NO_CHECK_TIME
1315 | X509_V_FLAG_PARTIAL_CHAIN
1316 | X509_V_FLAG_POLICY_CHECK));
1317 }
1318 CMP_debug("trying to build cert chain for own TLS cert");
1319 if (SSL_CTX_build_cert_chain(ssl_ctx,
1320 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1321 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1322 CMP_debug("success building cert chain for own TLS cert");
1323 } else {
1324 OSSL_CMP_CTX_print_errors(ctx);
1325 CMP_warn("could not build cert chain for own TLS cert");
1326 }
1327 if (trust_store != NULL)
1328 X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags);
1329 }
1330
1331 /* If present we append to the list also the certs from opt_tls_extra */
1332 if (opt_tls_extra != NULL) {
1333 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1334 opt_otherpass,
1335 "extra certificates for TLS",
1336 vpm);
1337 int res = 1;
1338
1339 if (tls_extra == NULL)
1340 goto err;
1341 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1342 cert = sk_X509_value(tls_extra, i);
1343 if (res != 0)
1344 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1345 if (res == 0)
1346 X509_free(cert);
1347 }
1348 sk_X509_free(tls_extra);
1349 if (res == 0) {
1350 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1351 goto err;
1352 }
1353 }
1354
1355 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1356 engine, "TLS client private key");
1357 cleanse(opt_tls_keypass);
1358 if (pkey == NULL)
1359 goto err;
1360 /*
1361 * verify the key matches the cert,
1362 * not using SSL_CTX_check_private_key(ssl_ctx)
1363 * because it gives poor and sometimes misleading diagnostics
1364 */
1365 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1366 pkey)) {
1367 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1368 opt_tls_key, opt_tls_cert);
1369 EVP_PKEY_free(pkey);
1370 pkey = NULL; /* otherwise, for some reason double free! */
1371 goto err;
1372 }
1373 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1374 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1375 EVP_PKEY_free(pkey);
1376 pkey = NULL; /* otherwise, for some reason double free! */
1377 goto err;
1378 }
1379 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1380 }
1381 if (opt_tls_trusted != NULL) {
1382 /* enable and parameterize server hostname/IP address check */
1383 if (!truststore_set_host_etc(trust_store,
1384 opt_tls_host != NULL ? opt_tls_host : host))
1385 goto err;
1386 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1387 }
1388 return ssl_ctx;
1389 err:
1390 SSL_CTX_free(ssl_ctx);
1391 return NULL;
1392 }
1393 #endif /* OPENSSL_NO_SOCK */
1394
1395 /*
1396 * set up protection aspects of OSSL_CMP_CTX based on options from config
1397 * file/CLI while parsing options and checking their consistency.
1398 * Returns 1 on success, 0 on error
1399 */
setup_protection_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1400 static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1401 {
1402 if (!opt_unprotected_requests && opt_secret == NULL && opt_key == NULL) {
1403 CMP_err("must give -key or -secret unless -unprotected_requests is used");
1404 return 0;
1405 }
1406
1407 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1408 /* cert or subject should determine the sender */
1409 CMP_err("must give -ref if no -cert and no -subject given");
1410 return 0;
1411 }
1412 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1413 CMP_err("must give both -cert and -key options or neither");
1414 return 0;
1415 }
1416 if (opt_secret != NULL) {
1417 char *pass_string = get_passwd(opt_secret, "PBMAC");
1418 int res;
1419
1420 if (pass_string != NULL) {
1421 cleanse(opt_secret);
1422 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1423 (unsigned char *)pass_string,
1424 strlen(pass_string));
1425 clear_free(pass_string);
1426 if (res == 0)
1427 return 0;
1428 }
1429 if (opt_cert != NULL || opt_key != NULL)
1430 CMP_warn("-cert and -key not used for protection since -secret is given");
1431 }
1432 if (opt_ref != NULL
1433 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1434 strlen(opt_ref)))
1435 return 0;
1436
1437 if (opt_key != NULL) {
1438 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1439 "private key for CMP client certificate");
1440
1441 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1442 EVP_PKEY_free(pkey);
1443 return 0;
1444 }
1445 EVP_PKEY_free(pkey);
1446 }
1447 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL)
1448 CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert");
1449
1450 if (opt_cert != NULL) {
1451 X509 *cert;
1452 STACK_OF(X509) *certs = NULL;
1453 X509_STORE *own_trusted = NULL;
1454 int ok;
1455
1456 if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass,
1457 "CMP client certificate (optionally with chain)",
1458 vpm))
1459 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1460 return 0;
1461 ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1462 X509_free(cert);
1463 if (!ok) {
1464 CMP_err("out of memory");
1465 } else {
1466 if (opt_own_trusted != NULL) {
1467 own_trusted = load_trusted(opt_own_trusted, 0,
1468 "trusted certs for verifying own CMP signer cert");
1469 ok = own_trusted != NULL;
1470 }
1471 ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs);
1472 }
1473 X509_STORE_free(own_trusted);
1474 sk_X509_pop_free(certs, X509_free);
1475 if (!ok)
1476 return 0;
1477 } else if (opt_own_trusted != NULL) {
1478 CMP_warn("-own_trusted option is ignored without -cert");
1479 }
1480
1481 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1482 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut))
1483 return 0;
1484 cleanse(opt_otherpass);
1485
1486 if (opt_unprotected_requests)
1487 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1488
1489 if (opt_digest != NULL) {
1490 int digest = OBJ_ln2nid(opt_digest);
1491
1492 if (digest == NID_undef) {
1493 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1494 return 0;
1495 }
1496 if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest)
1497 || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) {
1498 CMP_err1("digest algorithm name not supported: '%s'", opt_digest);
1499 return 0;
1500 }
1501 }
1502
1503 if (opt_mac != NULL) {
1504 int mac = OBJ_ln2nid(opt_mac);
1505 if (mac == NID_undef) {
1506 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1507 return 0;
1508 }
1509 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1510 }
1511 return 1;
1512 }
1513
1514 /*
1515 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1516 * based on options from config file/CLI.
1517 * Returns pointer on success, NULL on error
1518 */
setup_request_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1519 static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1520 {
1521 X509_REQ *csr = NULL;
1522 X509_EXTENSIONS *exts = NULL;
1523 X509V3_CTX ext_ctx;
1524
1525 if (opt_subject == NULL
1526 && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL
1527 && opt_cmd != CMP_RR && opt_cmd != CMP_GENM)
1528 CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback");
1529
1530 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
1531 if (opt_newkey == NULL
1532 && opt_key == NULL && opt_csr == NULL && opt_oldcert == NULL) {
1533 CMP_err("missing -newkey (or -key) to be certified and no -csr, -oldcert, or -cert given for fallback public key");
1534 return 0;
1535 }
1536 if (opt_newkey == NULL
1537 && opt_popo != OSSL_CRMF_POPO_NONE
1538 && opt_popo != OSSL_CRMF_POPO_RAVERIFIED) {
1539 if (opt_csr != NULL) {
1540 CMP_err1("no -newkey option given with private key for POPO, -csr option only provides public key%s",
1541 opt_key == NULL ? "" :
1542 ", and -key option superseded by by -csr");
1543 return 0;
1544 }
1545 if (opt_key == NULL) {
1546 CMP_err("missing -newkey (or -key) option for POPO");
1547 return 0;
1548 }
1549 }
1550 if (opt_certout == NULL) {
1551 CMP_err("-certout not given, nowhere to save newly enrolled certificate");
1552 return 0;
1553 }
1554 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1555 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1556 return 0;
1557 } else {
1558 const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'";
1559
1560 if (opt_subject != NULL) {
1561 if (opt_ref == NULL && opt_cert == NULL) {
1562 /* use subject as default sender unless oldcert subject is used */
1563 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject"))
1564 return 0;
1565 } else {
1566 CMP_warn1("-subject %s since -ref or -cert is given", msg);
1567 }
1568 }
1569 if (opt_issuer != NULL)
1570 CMP_warn1("-issuer %s", msg);
1571 if (opt_reqexts != NULL)
1572 CMP_warn1("-reqexts %s", msg);
1573 if (opt_san_nodefault)
1574 CMP_warn1("-san_nodefault %s", msg);
1575 if (opt_sans != NULL)
1576 CMP_warn1("-sans %s", msg);
1577 if (opt_policies != NULL)
1578 CMP_warn1("-policies %s", msg);
1579 if (opt_policy_oids != NULL)
1580 CMP_warn1("-policy_oids %s", msg);
1581 }
1582 if (opt_cmd == CMP_KUR) {
1583 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
1584
1585 if (ref_cert == NULL && opt_csr == NULL) {
1586 CMP_err("missing -oldcert for certificate to be updated and no -csr given");
1587 return 0;
1588 }
1589 if (opt_subject != NULL)
1590 CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR",
1591 opt_subject, ref_cert != NULL ? ref_cert : opt_csr);
1592 }
1593 if (opt_cmd == CMP_RR) {
1594 if (opt_oldcert == NULL && opt_csr == NULL) {
1595 CMP_err("missing -oldcert for certificate to be revoked and no -csr given");
1596 return 0;
1597 }
1598 if (opt_oldcert != NULL && opt_csr != NULL)
1599 CMP_warn("ignoring -csr since certificate to be revoked is given");
1600 }
1601 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
1602 CMP_err("missing PKCS#10 CSR for p10cr");
1603 return 0;
1604 }
1605
1606 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
1607 && opt_oldcert == NULL && opt_cert == NULL)
1608 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
1609
1610 if (opt_cmd == CMP_P10CR || opt_cmd == CMP_RR) {
1611 const char *msg = "option is ignored for 'p10cr' and 'rr' commands";
1612
1613 if (opt_newkeypass != NULL)
1614 CMP_warn1("-newkeytype %s", msg);
1615 if (opt_newkey != NULL)
1616 CMP_warn1("-newkey %s", msg);
1617 if (opt_days != 0)
1618 CMP_warn1("-days %s", msg);
1619 if (opt_popo != OSSL_CRMF_POPO_NONE - 1)
1620 CMP_warn1("-popo %s", msg);
1621 } else if (opt_newkey != NULL) {
1622 const char *file = opt_newkey;
1623 const int format = opt_keyform;
1624 const char *pass = opt_newkeypass;
1625 const char *desc = "new private key for cert to be enrolled";
1626 EVP_PKEY *pkey;
1627 int priv = 1;
1628 BIO *bio_bak = bio_err;
1629
1630 bio_err = NULL; /* suppress diagnostics on first try loading key */
1631 pkey = load_key_pwd(file, format, pass, engine, desc);
1632 bio_err = bio_bak;
1633 if (pkey == NULL) {
1634 ERR_clear_error();
1635 desc = opt_csr == NULL
1636 ? "fallback public key for cert to be enrolled"
1637 : "public key for checking cert resulting from p10cr";
1638 pkey = load_pubkey(file, format, 0, pass, engine, desc);
1639 priv = 0;
1640 }
1641 cleanse(opt_newkeypass);
1642 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1643 EVP_PKEY_free(pkey);
1644 return 0;
1645 }
1646 }
1647
1648 if (opt_days > 0
1649 && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1650 opt_days)) {
1651 CMP_err("could not set requested cert validity period");
1652 return 0;
1653 }
1654
1655 if (opt_policies != NULL && opt_policy_oids != NULL) {
1656 CMP_err("cannot have policies both via -policies and via -policy_oids");
1657 return 0;
1658 }
1659
1660 if (opt_csr != NULL) {
1661 if (opt_cmd == CMP_GENM) {
1662 CMP_warn("-csr option is ignored for command 'genm'");
1663 } else {
1664 if ((csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR")) == NULL)
1665 return 0;
1666 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr))
1667 goto oom;
1668 }
1669 }
1670 if (opt_reqexts != NULL || opt_policies != NULL) {
1671 if ((exts = sk_X509_EXTENSION_new_null()) == NULL)
1672 goto oom;
1673 X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE);
1674 X509V3_set_nconf(&ext_ctx, conf);
1675 if (opt_reqexts != NULL
1676 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1677 CMP_err1("cannot load certificate request extension section '%s'",
1678 opt_reqexts);
1679 goto exts_err;
1680 }
1681 if (opt_policies != NULL
1682 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1683 CMP_err1("cannot load policy cert request extension section '%s'",
1684 opt_policies);
1685 goto exts_err;
1686 }
1687 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1688 }
1689 X509_REQ_free(csr);
1690 /* After here, must not goto oom/exts_err */
1691
1692 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1693 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1694 return 0;
1695 }
1696 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1697 return 0;
1698
1699 if (opt_san_nodefault) {
1700 if (opt_sans != NULL)
1701 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1702 (void)OSSL_CMP_CTX_set_option(ctx,
1703 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1704 }
1705
1706 if (opt_policy_oids_critical) {
1707 if (opt_policy_oids == NULL)
1708 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1709 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1710 }
1711
1712 while (opt_policy_oids != NULL) {
1713 ASN1_OBJECT *policy;
1714 POLICYINFO *pinfo;
1715 char *next = next_item(opt_policy_oids);
1716
1717 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1718 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1719 return 0;
1720 }
1721
1722 if ((pinfo = POLICYINFO_new()) == NULL) {
1723 ASN1_OBJECT_free(policy);
1724 return 0;
1725 }
1726 pinfo->policyid = policy;
1727
1728 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1729 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1730 POLICYINFO_free(pinfo);
1731 return 0;
1732 }
1733 opt_policy_oids = next;
1734 }
1735
1736 if (opt_popo >= OSSL_CRMF_POPO_NONE)
1737 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1738
1739 if (opt_oldcert != NULL) {
1740 if (opt_cmd == CMP_GENM) {
1741 CMP_warn("-oldcert option is ignored for command 'genm'");
1742 } else {
1743 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1744 opt_cmd == CMP_KUR ?
1745 "certificate to be updated" :
1746 opt_cmd == CMP_RR ?
1747 "certificate to be revoked" :
1748 "reference certificate (oldcert)");
1749 /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */
1750
1751 if (oldcert == NULL)
1752 return 0;
1753 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1754 X509_free(oldcert);
1755 CMP_err("out of memory");
1756 return 0;
1757 }
1758 X509_free(oldcert);
1759 }
1760 }
1761 cleanse(opt_keypass);
1762 if (opt_revreason > CRL_REASON_NONE)
1763 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1764 opt_revreason);
1765
1766 return 1;
1767
1768 oom:
1769 CMP_err("out of memory");
1770 exts_err:
1771 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1772 X509_REQ_free(csr);
1773 return 0;
1774 }
1775
handle_opt_geninfo(OSSL_CMP_CTX * ctx)1776 static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1777 {
1778 long value;
1779 ASN1_OBJECT *type;
1780 ASN1_INTEGER *aint;
1781 ASN1_TYPE *val;
1782 OSSL_CMP_ITAV *itav;
1783 char *endstr;
1784 char *valptr = strchr(opt_geninfo, ':');
1785
1786 if (valptr == NULL) {
1787 CMP_err("missing ':' in -geninfo option");
1788 return 0;
1789 }
1790 valptr[0] = '\0';
1791 valptr++;
1792
1793 if (OPENSSL_strncasecmp(valptr, "int:", 4) != 0) {
1794 CMP_err("missing 'int:' in -geninfo option");
1795 return 0;
1796 }
1797 valptr += 4;
1798
1799 value = strtol(valptr, &endstr, 10);
1800 if (endstr == valptr || *endstr != '\0') {
1801 CMP_err("cannot parse int in -geninfo option");
1802 return 0;
1803 }
1804
1805 type = OBJ_txt2obj(opt_geninfo, 1);
1806 if (type == NULL) {
1807 CMP_err("cannot parse OID in -geninfo option");
1808 return 0;
1809 }
1810
1811 if ((aint = ASN1_INTEGER_new()) == NULL)
1812 goto oom;
1813
1814 val = ASN1_TYPE_new();
1815 if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
1816 ASN1_INTEGER_free(aint);
1817 goto oom;
1818 }
1819 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
1820 itav = OSSL_CMP_ITAV_create(type, val);
1821 if (itav == NULL) {
1822 ASN1_TYPE_free(val);
1823 goto oom;
1824 }
1825
1826 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
1827 OSSL_CMP_ITAV_free(itav);
1828 return 0;
1829 }
1830 return 1;
1831
1832 oom:
1833 ASN1_OBJECT_free(type);
1834 CMP_err("out of memory");
1835 return 0;
1836 }
1837
1838
1839 /*
1840 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
1841 * while parsing options and checking their consistency.
1842 * Prints reason for error to bio_err.
1843 * Returns 1 on success, 0 on error
1844 */
setup_client_ctx(OSSL_CMP_CTX * ctx,ENGINE * engine)1845 static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1846 {
1847 int ret = 0;
1848 char *host = NULL, *port = NULL, *path = NULL, *used_path = opt_path;
1849 #ifndef OPENSSL_NO_SOCK
1850 int portnum, ssl;
1851 static char server_port[32] = { '\0' };
1852 const char *proxy_host = NULL;
1853 #endif
1854 char server_buf[200] = "mock server";
1855 char proxy_buf[200] = "";
1856
1857 if (!opt_use_mock_srv && opt_rspin == NULL) { /* note: -port is not given */
1858 #ifndef OPENSSL_NO_SOCK
1859 if (opt_server == NULL) {
1860 CMP_err("missing -server or -use_mock_srv or -rspin option");
1861 goto err;
1862 }
1863 #else
1864 CMP_err("missing -use_mock_srv or -rspin option; -server option is not supported due to no-sock build");
1865 goto err;
1866 #endif
1867 }
1868 #ifndef OPENSSL_NO_SOCK
1869 if (opt_server == NULL) {
1870 if (opt_proxy != NULL)
1871 CMP_warn("ignoring -proxy option since -server is not given");
1872 if (opt_no_proxy != NULL)
1873 CMP_warn("ignoring -no_proxy option since -server is not given");
1874 if (opt_tls_used) {
1875 CMP_warn("ignoring -tls_used option since -server is not given");
1876 opt_tls_used = 0;
1877 }
1878 goto set_path;
1879 }
1880 if (!OSSL_HTTP_parse_url(opt_server, &ssl, NULL /* user */, &host, &port,
1881 &portnum, &path, NULL /* q */, NULL /* frag */)) {
1882 CMP_err1("cannot parse -server URL: %s", opt_server);
1883 goto err;
1884 }
1885 if (ssl && !opt_tls_used) {
1886 CMP_err("missing -tls_used option since -server URL indicates https");
1887 goto err;
1888 }
1889
1890 BIO_snprintf(server_port, sizeof(server_port), "%s", port);
1891 if (opt_path == NULL)
1892 used_path = path;
1893 if (!OSSL_CMP_CTX_set1_server(ctx, host)
1894 || !OSSL_CMP_CTX_set_serverPort(ctx, portnum))
1895 goto oom;
1896 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
1897 goto oom;
1898 if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
1899 goto oom;
1900 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s:%s/%s",
1901 opt_tls_used ? "s" : "", host, port,
1902 *used_path == '/' ? used_path + 1 : used_path);
1903
1904 proxy_host = OSSL_HTTP_adapt_proxy(opt_proxy, opt_no_proxy, host, ssl);
1905 if (proxy_host != NULL)
1906 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", proxy_host);
1907
1908 set_path:
1909 #endif
1910
1911 if (!OSSL_CMP_CTX_set1_serverPath(ctx, used_path))
1912 goto oom;
1913 if (!transform_opts())
1914 goto err;
1915
1916 if (opt_infotype_s != NULL) {
1917 char id_buf[100] = "id-it-";
1918
1919 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
1920 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
1921 CMP_err("unknown OID name in -infotype option");
1922 goto err;
1923 }
1924 }
1925
1926 if (!setup_verification_ctx(ctx))
1927 goto err;
1928
1929 if (opt_keep_alive != 1)
1930 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_KEEP_ALIVE,
1931 opt_keep_alive);
1932 if (opt_total_timeout > 0 && opt_msg_timeout > 0
1933 && opt_total_timeout < opt_msg_timeout) {
1934 CMP_err2("-total_timeout argument = %d must not be < %d (-msg_timeout)",
1935 opt_total_timeout, opt_msg_timeout);
1936 goto err;
1937 }
1938 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
1939 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
1940 opt_msg_timeout);
1941 if (opt_total_timeout >= 0)
1942 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
1943 opt_total_timeout);
1944
1945 if (opt_rspin != NULL) {
1946 rspin_in_use = 1;
1947 if (opt_reqin != NULL)
1948 CMP_warn("-reqin is ignored since -rspin is present");
1949 }
1950 if (opt_reqin_new_tid && opt_reqin == NULL)
1951 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
1952 if (opt_reqin != NULL || opt_reqout != NULL
1953 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
1954 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
1955
1956 #ifndef OPENSSL_NO_SOCK
1957 if (opt_tls_used) {
1958 APP_HTTP_TLS_INFO *info;
1959
1960 if (opt_tls_cert != NULL
1961 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
1962 if (opt_tls_key == NULL) {
1963 CMP_err("missing -tls_key option");
1964 goto err;
1965 } else if (opt_tls_cert == NULL) {
1966 CMP_err("missing -tls_cert option");
1967 goto err;
1968 }
1969 }
1970
1971 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
1972 goto err;
1973 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
1974 info->ssl_ctx = setup_ssl_ctx(ctx, host, engine);
1975 info->server = host;
1976 host = NULL; /* prevent deallocation */
1977 if ((info->port = OPENSSL_strdup(server_port)) == NULL)
1978 goto err;
1979 /* workaround for callback design flaw, see #17088: */
1980 info->use_proxy = proxy_host != NULL;
1981 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
1982
1983 if (info->ssl_ctx == NULL)
1984 goto err;
1985 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
1986 }
1987 #endif
1988
1989 if (!setup_protection_ctx(ctx, engine))
1990 goto err;
1991
1992 if (!setup_request_ctx(ctx, engine))
1993 goto err;
1994
1995 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
1996 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
1997 ctx, "expected sender"))
1998 goto err;
1999
2000 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
2001 goto err;
2002
2003 /* not printing earlier, to minimize confusion in case setup fails before */
2004 if (opt_rspin != NULL)
2005 CMP_info2("will contact %s%s "
2006 "only if -rspin argument gives too few filenames",
2007 server_buf, proxy_buf);
2008 else
2009 CMP_info2("will contact %s%s", server_buf, proxy_buf);
2010
2011 ret = 1;
2012
2013 err:
2014 OPENSSL_free(host);
2015 OPENSSL_free(port);
2016 OPENSSL_free(path);
2017 return ret;
2018 oom:
2019 CMP_err("out of memory");
2020 goto err;
2021 }
2022
2023 /*
2024 * write out the given certificate to the output specified by bio.
2025 * Depending on options use either PEM or DER format.
2026 * Returns 1 on success, 0 on error
2027 */
write_cert(BIO * bio,X509 * cert)2028 static int write_cert(BIO *bio, X509 *cert)
2029 {
2030 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
2031 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
2032 return 1;
2033 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
2034 BIO_printf(bio_err,
2035 "error: unsupported type '%s' for writing certificates\n",
2036 opt_certform_s);
2037 return 0;
2038 }
2039
2040 /*
2041 * If destFile != NULL writes out a stack of certs to the given file.
2042 * In any case frees the certs.
2043 * Depending on options use either PEM or DER format,
2044 * where DER does not make much sense for writing more than one cert!
2045 * Returns number of written certificates on success, -1 on error.
2046 */
save_free_certs(OSSL_CMP_CTX * ctx,STACK_OF (X509)* certs,char * destFile,char * desc)2047 static int save_free_certs(OSSL_CMP_CTX *ctx,
2048 STACK_OF(X509) *certs, char *destFile, char *desc)
2049 {
2050 BIO *bio = NULL;
2051 int i;
2052 int n = sk_X509_num(certs);
2053
2054 if (destFile == NULL)
2055 goto end;
2056 CMP_info3("received %d %s certificate(s), saving to file '%s'",
2057 n, desc, destFile);
2058 if (n > 1 && opt_certform != FORMAT_PEM)
2059 CMP_warn("saving more than one certificate in non-PEM format");
2060
2061 if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
2062 || !BIO_write_filename(bio, (char *)destFile)) {
2063 CMP_err1("could not open file '%s' for writing", destFile);
2064 n = -1;
2065 goto end;
2066 }
2067
2068 for (i = 0; i < n; i++) {
2069 if (!write_cert(bio, sk_X509_value(certs, i))) {
2070 CMP_err1("cannot write certificate to file '%s'", destFile);
2071 n = -1;
2072 goto end;
2073 }
2074 }
2075
2076 end:
2077 BIO_free(bio);
2078 sk_X509_pop_free(certs, X509_free);
2079 return n;
2080 }
2081
print_itavs(STACK_OF (OSSL_CMP_ITAV)* itavs)2082 static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
2083 {
2084 OSSL_CMP_ITAV *itav = NULL;
2085 char buf[128];
2086 int i, r;
2087 int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
2088
2089 if (n == 0) {
2090 CMP_info("genp contains no ITAV");
2091 return;
2092 }
2093
2094 for (i = 0; i < n; i++) {
2095 itav = sk_OSSL_CMP_ITAV_value(itavs, i);
2096 r = OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
2097 if (r < 0)
2098 CMP_err("could not get ITAV details");
2099 else if (r == 0)
2100 CMP_info("genp contains empty ITAV");
2101 else
2102 CMP_info1("genp contains ITAV of type: %s", buf);
2103 }
2104 }
2105
2106 static char opt_item[SECTION_NAME_MAX + 1];
2107 /* get previous name from a comma or space-separated list of names */
prev_item(const char * opt,const char * end)2108 static const char *prev_item(const char *opt, const char *end)
2109 {
2110 const char *beg;
2111 size_t len;
2112
2113 if (end == opt)
2114 return NULL;
2115 beg = end;
2116 while (beg > opt) {
2117 --beg;
2118 if (beg[0] == ',' || isspace(_UC(beg[0]))) {
2119 ++beg;
2120 break;
2121 }
2122 }
2123 len = end - beg;
2124 if (len > SECTION_NAME_MAX) {
2125 CMP_warn3("using only first %d characters of section name starting with \"%.*s\"",
2126 SECTION_NAME_MAX, SECTION_NAME_MAX, beg);
2127 len = SECTION_NAME_MAX;
2128 }
2129 memcpy(opt_item, beg, len);
2130 opt_item[len] = '\0';
2131 while (beg > opt) {
2132 --beg;
2133 if (beg[0] != ',' && !isspace(_UC(beg[0]))) {
2134 ++beg;
2135 break;
2136 }
2137 }
2138 return beg;
2139 }
2140
2141 /* 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)2142 static char *conf_get_string(const CONF *src_conf, const char *groups,
2143 const char *name)
2144 {
2145 char *res = NULL;
2146 const char *end = groups + strlen(groups);
2147
2148 while ((end = prev_item(groups, end)) != NULL) {
2149 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2150 return res;
2151 ERR_clear_error();
2152 }
2153 return res;
2154 }
2155
2156 /* 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)2157 static int conf_get_number_e(const CONF *conf_, const char *groups,
2158 const char *name, long *result)
2159 {
2160 char *str = conf_get_string(conf_, groups, name);
2161 char *tailptr;
2162 long res;
2163
2164 if (str == NULL || *str == '\0')
2165 return 0;
2166
2167 res = strtol(str, &tailptr, 10);
2168 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2169 return 0;
2170
2171 *result = res;
2172 return 1;
2173 }
2174
2175 /*
2176 * use the command line option table to read values from the CMP section
2177 * of openssl.cnf. Defaults are taken from the config file, they can be
2178 * overwritten on the command line.
2179 */
read_config(void)2180 static int read_config(void)
2181 {
2182 unsigned int i;
2183 long num = 0;
2184 char *txt = NULL;
2185 const OPTIONS *opt;
2186 int start_opt = OPT_VERBOSITY - OPT_HELP;
2187 int start_idx = OPT_VERBOSITY - 2;
2188 /*
2189 * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION
2190 * would not make sense within the config file.
2191 */
2192 int n_options = OSSL_NELEM(cmp_options) - 1;
2193
2194 for (opt = &cmp_options[start_opt], i = start_idx;
2195 opt->name != NULL; i++, opt++)
2196 if (!strcmp(opt->name, OPT_SECTION_STR)
2197 || !strcmp(opt->name, OPT_MORE_STR))
2198 n_options--;
2199 OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options
2200 + OPT_PROV__FIRST + 1 - OPT_PROV__LAST
2201 + OPT_R__FIRST + 1 - OPT_R__LAST
2202 + OPT_V__FIRST + 1 - OPT_V__LAST);
2203 for (opt = &cmp_options[start_opt], i = start_idx;
2204 opt->name != NULL; i++, opt++) {
2205 int provider_option = (OPT_PROV__FIRST <= opt->retval
2206 && opt->retval < OPT_PROV__LAST);
2207 int rand_state_option = (OPT_R__FIRST <= opt->retval
2208 && opt->retval < OPT_R__LAST);
2209 int verification_option = (OPT_V__FIRST <= opt->retval
2210 && opt->retval < OPT_V__LAST);
2211
2212 if (strcmp(opt->name, OPT_SECTION_STR) == 0
2213 || strcmp(opt->name, OPT_MORE_STR) == 0) {
2214 i--;
2215 continue;
2216 }
2217 if (provider_option || rand_state_option || verification_option)
2218 i--;
2219 switch (opt->valtype) {
2220 case '-':
2221 case 'p':
2222 case 'n':
2223 case 'N':
2224 case 'l':
2225 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2226 ERR_clear_error();
2227 continue; /* option not provided */
2228 }
2229 if (opt->valtype == 'p' && num <= 0) {
2230 opt_printf_stderr("Non-positive number \"%ld\" for config option -%s\n",
2231 num, opt->name);
2232 return -1;
2233 }
2234 if (opt->valtype == 'N' && num < 0) {
2235 opt_printf_stderr("Negative number \"%ld\" for config option -%s\n",
2236 num, opt->name);
2237 return -1;
2238 }
2239 break;
2240 case 's':
2241 case '>':
2242 case 'M':
2243 txt = conf_get_string(conf, opt_section, opt->name);
2244 if (txt == NULL) {
2245 ERR_clear_error();
2246 continue; /* option not provided */
2247 }
2248 break;
2249 default:
2250 CMP_err2("internal: unsupported type '%c' for option '%s'",
2251 opt->valtype, opt->name);
2252 return 0;
2253 break;
2254 }
2255 if (provider_option || verification_option) {
2256 int conf_argc = 1;
2257 char *conf_argv[3];
2258 char arg1[82];
2259
2260 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2261 conf_argv[0] = prog;
2262 conf_argv[1] = arg1;
2263 if (opt->valtype == '-') {
2264 if (num != 0)
2265 conf_argc = 2;
2266 } else {
2267 conf_argc = 3;
2268 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2269 /* not NULL */
2270 }
2271 if (conf_argc > 1) {
2272 (void)opt_init(conf_argc, conf_argv, cmp_options);
2273
2274 if (provider_option
2275 ? !opt_provider(opt_next())
2276 : !opt_verify(opt_next(), vpm)) {
2277 CMP_err2("for option '%s' in config file section '%s'",
2278 opt->name, opt_section);
2279 return 0;
2280 }
2281 }
2282 } else {
2283 switch (opt->valtype) {
2284 case '-':
2285 case 'p':
2286 case 'n':
2287 case 'N':
2288 if (num < INT_MIN || INT_MAX < num) {
2289 BIO_printf(bio_err,
2290 "integer value out of range for option '%s'\n",
2291 opt->name);
2292 return 0;
2293 }
2294 *cmp_vars[i].num = (int)num;
2295 break;
2296 case 'l':
2297 *cmp_vars[i].num_long = num;
2298 break;
2299 default:
2300 if (txt != NULL && txt[0] == '\0')
2301 txt = NULL; /* reset option on empty string input */
2302 *cmp_vars[i].txt = txt;
2303 break;
2304 }
2305 }
2306 }
2307
2308 return 1;
2309 }
2310
opt_str(void)2311 static char *opt_str(void)
2312 {
2313 char *arg = opt_arg();
2314
2315 if (arg[0] == '\0') {
2316 CMP_warn1("%s option argument is empty string, resetting option",
2317 opt_flag());
2318 arg = NULL;
2319 } else if (arg[0] == '-') {
2320 CMP_warn1("%s option argument starts with hyphen", opt_flag());
2321 }
2322 return arg;
2323 }
2324
2325 /* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
get_opts(int argc,char ** argv)2326 static int get_opts(int argc, char **argv)
2327 {
2328 OPTION_CHOICE o;
2329
2330 prog = opt_init(argc, argv, cmp_options);
2331
2332 while ((o = opt_next()) != OPT_EOF) {
2333 switch (o) {
2334 case OPT_EOF:
2335 case OPT_ERR:
2336 opthelp:
2337 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
2338 return 0;
2339 case OPT_HELP:
2340 opt_help(cmp_options);
2341 return -1;
2342 case OPT_CONFIG: /* has already been handled */
2343 case OPT_SECTION: /* has already been handled */
2344 break;
2345 case OPT_VERBOSITY:
2346 if (!set_verbosity(opt_int_arg()))
2347 goto opthelp;
2348 break;
2349 #ifndef OPENSSL_NO_SOCK
2350 case OPT_SERVER:
2351 opt_server = opt_str();
2352 break;
2353 case OPT_PROXY:
2354 opt_proxy = opt_str();
2355 break;
2356 case OPT_NO_PROXY:
2357 opt_no_proxy = opt_str();
2358 break;
2359 #endif
2360 case OPT_RECIPIENT:
2361 opt_recipient = opt_str();
2362 break;
2363 case OPT_PATH:
2364 opt_path = opt_str();
2365 break;
2366 case OPT_KEEP_ALIVE:
2367 opt_keep_alive = opt_int_arg();
2368 if (opt_keep_alive > 2) {
2369 CMP_err("-keep_alive argument must be 0, 1, or 2");
2370 goto opthelp;
2371 }
2372 break;
2373 case OPT_MSG_TIMEOUT:
2374 opt_msg_timeout = opt_int_arg();
2375 break;
2376 case OPT_TOTAL_TIMEOUT:
2377 opt_total_timeout = opt_int_arg();
2378 break;
2379 #ifndef OPENSSL_NO_SOCK
2380 case OPT_TLS_USED:
2381 opt_tls_used = 1;
2382 break;
2383 case OPT_TLS_CERT:
2384 opt_tls_cert = opt_str();
2385 break;
2386 case OPT_TLS_KEY:
2387 opt_tls_key = opt_str();
2388 break;
2389 case OPT_TLS_KEYPASS:
2390 opt_tls_keypass = opt_str();
2391 break;
2392 case OPT_TLS_EXTRA:
2393 opt_tls_extra = opt_str();
2394 break;
2395 case OPT_TLS_TRUSTED:
2396 opt_tls_trusted = opt_str();
2397 break;
2398 case OPT_TLS_HOST:
2399 opt_tls_host = opt_str();
2400 break;
2401 #endif
2402
2403 case OPT_REF:
2404 opt_ref = opt_str();
2405 break;
2406 case OPT_SECRET:
2407 opt_secret = opt_str();
2408 break;
2409 case OPT_CERT:
2410 opt_cert = opt_str();
2411 break;
2412 case OPT_OWN_TRUSTED:
2413 opt_own_trusted = opt_str();
2414 break;
2415 case OPT_KEY:
2416 opt_key = opt_str();
2417 break;
2418 case OPT_KEYPASS:
2419 opt_keypass = opt_str();
2420 break;
2421 case OPT_DIGEST:
2422 opt_digest = opt_str();
2423 break;
2424 case OPT_MAC:
2425 opt_mac = opt_str();
2426 break;
2427 case OPT_EXTRACERTS:
2428 opt_extracerts = opt_str();
2429 break;
2430 case OPT_UNPROTECTED_REQUESTS:
2431 opt_unprotected_requests = 1;
2432 break;
2433
2434 case OPT_TRUSTED:
2435 opt_trusted = opt_str();
2436 break;
2437 case OPT_UNTRUSTED:
2438 opt_untrusted = opt_str();
2439 break;
2440 case OPT_SRVCERT:
2441 opt_srvcert = opt_str();
2442 break;
2443 case OPT_EXPECT_SENDER:
2444 opt_expect_sender = opt_str();
2445 break;
2446 case OPT_IGNORE_KEYUSAGE:
2447 opt_ignore_keyusage = 1;
2448 break;
2449 case OPT_UNPROTECTED_ERRORS:
2450 opt_unprotected_errors = 1;
2451 break;
2452 case OPT_EXTRACERTSOUT:
2453 opt_extracertsout = opt_str();
2454 break;
2455 case OPT_CACERTSOUT:
2456 opt_cacertsout = opt_str();
2457 break;
2458
2459 case OPT_V_CASES:
2460 if (!opt_verify(o, vpm))
2461 goto opthelp;
2462 break;
2463 case OPT_CMD:
2464 opt_cmd_s = opt_str();
2465 break;
2466 case OPT_INFOTYPE:
2467 opt_infotype_s = opt_str();
2468 break;
2469 case OPT_GENINFO:
2470 opt_geninfo = opt_str();
2471 break;
2472
2473 case OPT_NEWKEY:
2474 opt_newkey = opt_str();
2475 break;
2476 case OPT_NEWKEYPASS:
2477 opt_newkeypass = opt_str();
2478 break;
2479 case OPT_SUBJECT:
2480 opt_subject = opt_str();
2481 break;
2482 case OPT_ISSUER:
2483 opt_issuer = opt_str();
2484 break;
2485 case OPT_DAYS:
2486 opt_days = opt_int_arg();
2487 break;
2488 case OPT_REQEXTS:
2489 opt_reqexts = opt_str();
2490 break;
2491 case OPT_SANS:
2492 opt_sans = opt_str();
2493 break;
2494 case OPT_SAN_NODEFAULT:
2495 opt_san_nodefault = 1;
2496 break;
2497 case OPT_POLICIES:
2498 opt_policies = opt_str();
2499 break;
2500 case OPT_POLICY_OIDS:
2501 opt_policy_oids = opt_str();
2502 break;
2503 case OPT_POLICY_OIDS_CRITICAL:
2504 opt_policy_oids_critical = 1;
2505 break;
2506 case OPT_POPO:
2507 opt_popo = opt_int_arg();
2508 if (opt_popo < OSSL_CRMF_POPO_NONE
2509 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2510 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2511 goto opthelp;
2512 }
2513 break;
2514 case OPT_CSR:
2515 opt_csr = opt_str();
2516 break;
2517 case OPT_OUT_TRUSTED:
2518 opt_out_trusted = opt_str();
2519 break;
2520 case OPT_IMPLICIT_CONFIRM:
2521 opt_implicit_confirm = 1;
2522 break;
2523 case OPT_DISABLE_CONFIRM:
2524 opt_disable_confirm = 1;
2525 break;
2526 case OPT_CERTOUT:
2527 opt_certout = opt_str();
2528 break;
2529 case OPT_CHAINOUT:
2530 opt_chainout = opt_str();
2531 break;
2532 case OPT_OLDCERT:
2533 opt_oldcert = opt_str();
2534 break;
2535 case OPT_REVREASON:
2536 opt_revreason = opt_int_arg();
2537 if (opt_revreason < CRL_REASON_NONE
2538 || opt_revreason > CRL_REASON_AA_COMPROMISE
2539 || opt_revreason == 7) {
2540 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2541 goto opthelp;
2542 }
2543 break;
2544 case OPT_CERTFORM:
2545 opt_certform_s = opt_str();
2546 break;
2547 case OPT_KEYFORM:
2548 opt_keyform_s = opt_str();
2549 break;
2550 case OPT_OTHERPASS:
2551 opt_otherpass = opt_str();
2552 break;
2553 #ifndef OPENSSL_NO_ENGINE
2554 case OPT_ENGINE:
2555 opt_engine = opt_str();
2556 break;
2557 #endif
2558 case OPT_PROV_CASES:
2559 if (!opt_provider(o))
2560 goto opthelp;
2561 break;
2562 case OPT_R_CASES:
2563 if (!opt_rand(o))
2564 goto opthelp;
2565 break;
2566
2567 case OPT_BATCH:
2568 opt_batch = 1;
2569 break;
2570 case OPT_REPEAT:
2571 opt_repeat = opt_int_arg();
2572 break;
2573 case OPT_REQIN:
2574 opt_reqin = opt_str();
2575 break;
2576 case OPT_REQIN_NEW_TID:
2577 opt_reqin_new_tid = 1;
2578 break;
2579 case OPT_REQOUT:
2580 opt_reqout = opt_str();
2581 break;
2582 case OPT_RSPIN:
2583 opt_rspin = opt_str();
2584 break;
2585 case OPT_RSPOUT:
2586 opt_rspout = opt_str();
2587 break;
2588 case OPT_USE_MOCK_SRV:
2589 opt_use_mock_srv = 1;
2590 break;
2591
2592 #ifndef OPENSSL_NO_SOCK
2593 case OPT_PORT:
2594 opt_port = opt_str();
2595 break;
2596 case OPT_MAX_MSGS:
2597 opt_max_msgs = opt_int_arg();
2598 break;
2599 #endif
2600 case OPT_SRV_REF:
2601 opt_srv_ref = opt_str();
2602 break;
2603 case OPT_SRV_SECRET:
2604 opt_srv_secret = opt_str();
2605 break;
2606 case OPT_SRV_CERT:
2607 opt_srv_cert = opt_str();
2608 break;
2609 case OPT_SRV_KEY:
2610 opt_srv_key = opt_str();
2611 break;
2612 case OPT_SRV_KEYPASS:
2613 opt_srv_keypass = opt_str();
2614 break;
2615 case OPT_SRV_TRUSTED:
2616 opt_srv_trusted = opt_str();
2617 break;
2618 case OPT_SRV_UNTRUSTED:
2619 opt_srv_untrusted = opt_str();
2620 break;
2621 case OPT_RSP_CERT:
2622 opt_rsp_cert = opt_str();
2623 break;
2624 case OPT_RSP_EXTRACERTS:
2625 opt_rsp_extracerts = opt_str();
2626 break;
2627 case OPT_RSP_CAPUBS:
2628 opt_rsp_capubs = opt_str();
2629 break;
2630 case OPT_POLL_COUNT:
2631 opt_poll_count = opt_int_arg();
2632 break;
2633 case OPT_CHECK_AFTER:
2634 opt_check_after = opt_int_arg();
2635 break;
2636 case OPT_GRANT_IMPLICITCONF:
2637 opt_grant_implicitconf = 1;
2638 break;
2639 case OPT_PKISTATUS:
2640 opt_pkistatus = opt_int_arg();
2641 break;
2642 case OPT_FAILURE:
2643 opt_failure = opt_int_arg();
2644 break;
2645 case OPT_FAILUREBITS:
2646 opt_failurebits = opt_int_arg();
2647 break;
2648 case OPT_STATUSSTRING:
2649 opt_statusstring = opt_str();
2650 break;
2651 case OPT_SEND_ERROR:
2652 opt_send_error = 1;
2653 break;
2654 case OPT_SEND_UNPROTECTED:
2655 opt_send_unprotected = 1;
2656 break;
2657 case OPT_SEND_UNPROT_ERR:
2658 opt_send_unprot_err = 1;
2659 break;
2660 case OPT_ACCEPT_UNPROTECTED:
2661 opt_accept_unprotected = 1;
2662 break;
2663 case OPT_ACCEPT_UNPROT_ERR:
2664 opt_accept_unprot_err = 1;
2665 break;
2666 case OPT_ACCEPT_RAVERIFIED:
2667 opt_accept_raverified = 1;
2668 break;
2669 }
2670 }
2671
2672 /* No extra args. */
2673 argc = opt_num_rest();
2674 argv = opt_rest();
2675 if (argc != 0)
2676 goto opthelp;
2677 return 1;
2678 }
2679
2680 #ifndef OPENSSL_NO_SOCK
cmp_server(OSSL_CMP_CTX * srv_cmp_ctx)2681 static int cmp_server(OSSL_CMP_CTX *srv_cmp_ctx) {
2682 BIO *acbio;
2683 BIO *cbio = NULL;
2684 int keep_alive = 0;
2685 int msgs = 0;
2686 int retry = 1;
2687 int ret = 1;
2688
2689 if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
2690 return 0;
2691 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2692 char *path = NULL;
2693 OSSL_CMP_MSG *req = NULL;
2694 OSSL_CMP_MSG *resp = NULL;
2695
2696 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2697 (ASN1_VALUE **)&req, &path,
2698 &cbio, acbio, &keep_alive,
2699 prog, opt_port, 0, 0);
2700 if (ret == 0) { /* no request yet */
2701 if (retry) {
2702 ossl_sleep(1000);
2703 retry = 0;
2704 continue;
2705 }
2706 ret = 0;
2707 goto next;
2708 }
2709 if (ret++ == -1) /* fatal error */
2710 break;
2711
2712 ret = 0;
2713 msgs++;
2714 if (req != NULL) {
2715 if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2716 (void)http_server_send_status(cbio, 404, "Not Found");
2717 CMP_err1("expecting empty path or 'pkix/' but got '%s'",
2718 path);
2719 OPENSSL_free(path);
2720 OSSL_CMP_MSG_free(req);
2721 goto next;
2722 }
2723 OPENSSL_free(path);
2724 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2725 OSSL_CMP_MSG_free(req);
2726 if (resp == NULL) {
2727 (void)http_server_send_status(cbio,
2728 500, "Internal Server Error");
2729 break; /* treated as fatal error */
2730 }
2731 ret = http_server_send_asn1_resp(cbio, keep_alive,
2732 "application/pkixcmp",
2733 ASN1_ITEM_rptr(OSSL_CMP_MSG),
2734 (const ASN1_VALUE *)resp);
2735 OSSL_CMP_MSG_free(resp);
2736 if (!ret)
2737 break; /* treated as fatal error */
2738 }
2739 next:
2740 if (!ret) { /* on transmission error, cancel CMP transaction */
2741 (void)OSSL_CMP_CTX_set1_transactionID(srv_cmp_ctx, NULL);
2742 (void)OSSL_CMP_CTX_set1_senderNonce(srv_cmp_ctx, NULL);
2743 }
2744 if (!ret || !keep_alive
2745 || OSSL_CMP_CTX_get_status(srv_cmp_ctx) != OSSL_CMP_PKISTATUS_trans
2746 /* transaction closed by OSSL_CMP_CTX_server_perform() */) {
2747 BIO_free_all(cbio);
2748 cbio = NULL;
2749 }
2750 }
2751
2752 BIO_free_all(cbio);
2753 BIO_free_all(acbio);
2754 return ret;
2755 }
2756 #endif
2757
print_status(void)2758 static void print_status(void)
2759 {
2760 /* print PKIStatusInfo */
2761 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
2762 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
2763 const char *string =
2764 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf, OSSL_CMP_PKISI_BUFLEN);
2765 const char *from = "", *server = "";
2766
2767 #ifndef OPENSSL_NO_SOCK
2768 if (opt_server != NULL) {
2769 from = " from ";
2770 server = opt_server;
2771 }
2772 #endif
2773 CMP_print(bio_err,
2774 status == OSSL_CMP_PKISTATUS_accepted
2775 ? OSSL_CMP_LOG_INFO :
2776 status == OSSL_CMP_PKISTATUS_rejection
2777 || status == OSSL_CMP_PKISTATUS_waiting
2778 ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING,
2779 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
2780 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
2781 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
2782 : "warning", "received%s%s %s", from, server,
2783 string != NULL ? string : "<unknown PKIStatus>");
2784 OPENSSL_free(buf);
2785 }
2786
cmp_main(int argc,char ** argv)2787 int cmp_main(int argc, char **argv)
2788 {
2789 char *configfile = NULL;
2790 int i;
2791 X509 *newcert = NULL;
2792 ENGINE *engine = NULL;
2793 OSSL_CMP_CTX *srv_cmp_ctx = NULL;
2794 int ret = 0; /* default: failure */
2795
2796 prog = opt_appname(argv[0]);
2797 if (argc <= 1) {
2798 opt_help(cmp_options);
2799 goto err;
2800 }
2801
2802 /*
2803 * handle options -config, -section, and -verbosity upfront
2804 * to take effect for other options
2805 */
2806 for (i = 1; i < argc - 1; i++) {
2807 if (*argv[i] == '-') {
2808 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2809 opt_config = argv[++i];
2810 else if (!strcmp(argv[i] + 1,
2811 cmp_options[OPT_SECTION - OPT_HELP].name))
2812 opt_section = argv[++i];
2813 else if (strcmp(argv[i] + 1,
2814 cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0
2815 && !set_verbosity(atoi(argv[++i])))
2816 goto err;
2817 }
2818 }
2819 if (opt_section[0] == '\0') /* empty string */
2820 opt_section = DEFAULT_SECTION;
2821
2822 vpm = X509_VERIFY_PARAM_new();
2823 if (vpm == NULL) {
2824 CMP_err("out of memory");
2825 goto err;
2826 }
2827
2828 /* read default values for options from config file */
2829 configfile = opt_config != NULL ? opt_config : default_config_file;
2830 if (configfile != NULL && configfile[0] != '\0' /* non-empty string */
2831 && (configfile != default_config_file || access(configfile, F_OK) != -1)) {
2832 CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'",
2833 opt_section, configfile);
2834 conf = app_load_config(configfile);
2835 if (conf == NULL) {
2836 goto err;
2837 } else {
2838 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2839 if (!NCONF_get_section(conf, opt_section))
2840 CMP_info2("no [%s] section found in config file '%s';"
2841 " will thus use just [default] and unnamed section if present",
2842 opt_section, configfile);
2843 } else {
2844 const char *end = opt_section + strlen(opt_section);
2845 while ((end = prev_item(opt_section, end)) != NULL) {
2846 if (!NCONF_get_section(conf, opt_item)) {
2847 CMP_err2("no [%s] section found in config file '%s'",
2848 opt_item, configfile);
2849 goto err;
2850 }
2851 }
2852 }
2853 ret = read_config();
2854 if (!set_verbosity(opt_verbosity)) /* just for checking range */
2855 ret = -1;
2856 if (ret <= 0) {
2857 if (ret == -1)
2858 BIO_printf(bio_err, "Use -help for summary.\n");
2859 goto err;
2860 }
2861 }
2862 }
2863 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2864
2865 ret = get_opts(argc, argv);
2866 if (ret <= 0)
2867 goto err;
2868 ret = 0;
2869 if (!app_RAND_load())
2870 goto err;
2871
2872 if (opt_batch)
2873 set_base_ui_method(UI_null());
2874
2875 if (opt_engine != NULL) {
2876 engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
2877 if (engine == NULL) {
2878 CMP_err1("cannot load engine %s", opt_engine);
2879 goto err;
2880 }
2881 }
2882
2883 cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq());
2884 if (cmp_ctx == NULL)
2885 goto err;
2886 OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity);
2887 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2888 CMP_err1("cannot set up error reporting and logging for %s", prog);
2889 goto err;
2890 }
2891
2892 #ifndef OPENSSL_NO_SOCK
2893 if ((opt_tls_cert != NULL || opt_tls_key != NULL
2894 || opt_tls_keypass != NULL || opt_tls_extra != NULL
2895 || opt_tls_trusted != NULL || opt_tls_host != NULL)
2896 && !opt_tls_used)
2897 CMP_warn("Ingnoring TLS options(s) since -tls_used is not given");
2898 if (opt_port != NULL) {
2899 if (opt_tls_used) {
2900 CMP_err("-tls_used option not supported with -port option");
2901 goto err;
2902 }
2903 if (opt_server != NULL || opt_use_mock_srv) {
2904 CMP_err("The -port option excludes -server and -use_mock_srv");
2905 goto err;
2906 }
2907 if (opt_reqin != NULL || opt_reqout != NULL) {
2908 CMP_err("The -port option does not support -reqin and -reqout");
2909 goto err;
2910 }
2911 if (opt_rspin != NULL || opt_rspout != NULL) {
2912 CMP_err("The -port option does not support -rspin and -rspout");
2913 goto err;
2914 }
2915 }
2916 if (opt_server != NULL && opt_use_mock_srv) {
2917 CMP_err("cannot use both -server and -use_mock_srv options");
2918 goto err;
2919 }
2920 #endif
2921
2922 if (opt_use_mock_srv
2923 #ifndef OPENSSL_NO_SOCK
2924 || opt_port != NULL
2925 #endif
2926 ) {
2927 OSSL_CMP_SRV_CTX *srv_ctx;
2928
2929 if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2930 goto err;
2931 srv_cmp_ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
2932 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2933 if (!OSSL_CMP_CTX_set_log_cb(srv_cmp_ctx, print_to_bio_err)) {
2934 CMP_err1("cannot set up error reporting and logging for %s", prog);
2935 goto err;
2936 }
2937 OSSL_CMP_CTX_set_log_verbosity(srv_cmp_ctx, opt_verbosity);
2938 }
2939
2940 #ifndef OPENSSL_NO_SOCK
2941 if (opt_tls_used && (opt_use_mock_srv || opt_server == NULL)) {
2942 CMP_warn("ignoring -tls_used option since -use_mock_srv is given or -server is not given");
2943 opt_tls_used = 0;
2944 }
2945
2946 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2947 ret = cmp_server(srv_cmp_ctx);
2948 goto err;
2949 }
2950
2951 /* act as CMP client, possibly using internal mock server */
2952
2953 if (opt_rspin != NULL) {
2954 if (opt_server != NULL)
2955 CMP_warn("-server option is not used if enough filenames given for -rspin");
2956 if (opt_use_mock_srv)
2957 CMP_warn("-use_mock_srv option is not used if enough filenames given for -rspin");
2958 }
2959 #endif
2960
2961 if (!setup_client_ctx(cmp_ctx, engine)) {
2962 CMP_err("cannot set up CMP context");
2963 goto err;
2964 }
2965 for (i = 0; i < opt_repeat; i++) {
2966 /* everything is ready, now connect and perform the command! */
2967 switch (opt_cmd) {
2968 case CMP_IR:
2969 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
2970 if (newcert != NULL)
2971 ret = 1;
2972 break;
2973 case CMP_KUR:
2974 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
2975 if (newcert != NULL)
2976 ret = 1;
2977 break;
2978 case CMP_CR:
2979 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
2980 if (newcert != NULL)
2981 ret = 1;
2982 break;
2983 case CMP_P10CR:
2984 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
2985 if (newcert != NULL)
2986 ret = 1;
2987 break;
2988 case CMP_RR:
2989 ret = OSSL_CMP_exec_RR_ses(cmp_ctx);
2990 break;
2991 case CMP_GENM:
2992 {
2993 STACK_OF(OSSL_CMP_ITAV) *itavs;
2994
2995 if (opt_infotype != NID_undef) {
2996 OSSL_CMP_ITAV *itav =
2997 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
2998 if (itav == NULL)
2999 goto err;
3000 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
3001 }
3002
3003 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) != NULL) {
3004 print_itavs(itavs);
3005 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
3006 ret = 1;
3007 }
3008 break;
3009 }
3010 default:
3011 break;
3012 }
3013 if (OSSL_CMP_CTX_get_status(cmp_ctx) < OSSL_CMP_PKISTATUS_accepted)
3014 goto err; /* we got no response, maybe even did not send request */
3015
3016 print_status();
3017 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx),
3018 opt_extracertsout, "extra") < 0)
3019 ret = 0;
3020 if (!ret)
3021 goto err;
3022 ret = 0;
3023 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx),
3024 opt_cacertsout, "CA") < 0)
3025 goto err;
3026 if (newcert != NULL) {
3027 STACK_OF(X509) *certs = sk_X509_new_null();
3028
3029 if (!X509_add_cert(certs, newcert, X509_ADD_FLAG_UP_REF)) {
3030 sk_X509_free(certs);
3031 goto err;
3032 }
3033 if (save_free_certs(cmp_ctx, certs, opt_certout, "enrolled") < 0)
3034 goto err;
3035 }
3036 if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx),
3037 opt_chainout, "chain") < 0)
3038 goto err;
3039
3040 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
3041 goto err;
3042 }
3043 ret = 1;
3044
3045 err:
3046 /* in case we ended up here on error without proper cleaning */
3047 cleanse(opt_keypass);
3048 cleanse(opt_newkeypass);
3049 cleanse(opt_otherpass);
3050 #ifndef OPENSSL_NO_SOCK
3051 cleanse(opt_tls_keypass);
3052 #endif
3053 cleanse(opt_secret);
3054 cleanse(opt_srv_keypass);
3055 cleanse(opt_srv_secret);
3056
3057 if (ret != 1)
3058 OSSL_CMP_CTX_print_errors(cmp_ctx);
3059
3060 if (cmp_ctx != NULL) {
3061 #ifndef OPENSSL_NO_SOCK
3062 APP_HTTP_TLS_INFO *info = OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3063
3064 #endif
3065 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3066 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3067 /* cannot free info already here, as it may be used indirectly by: */
3068 OSSL_CMP_CTX_free(cmp_ctx);
3069 #ifndef OPENSSL_NO_SOCK
3070 if (info != NULL) {
3071 OPENSSL_free((char *)info->server);
3072 OPENSSL_free((char *)info->port);
3073 APP_HTTP_TLS_INFO_free(info);
3074 }
3075 #endif
3076 }
3077 X509_VERIFY_PARAM_free(vpm);
3078 release_engine(engine);
3079
3080 NCONF_free(conf); /* must not do as long as opt_... variables are used */
3081 OSSL_CMP_log_close();
3082
3083 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS; /* ret == -1 for -help */
3084 }
3085