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1 /*
2 * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Nokia 2007-2019
4 * Copyright Siemens AG 2015-2019
5 *
6 * Licensed under the Apache License 2.0 (the "License"). You may not use
7 * this file except in compliance with the License. You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12 #include <string.h>
13 #include <ctype.h>
14
15 #include "apps.h"
16 #include "http_server.h"
17 #include "s_apps.h"
18 #include "progs.h"
19
20 #include "cmp_mock_srv.h"
21
22 /* tweaks needed due to missing unistd.h on Windows */
23 #ifdef _WIN32
24 # define access _access
25 #endif
26 #ifndef F_OK
27 # define F_OK 0
28 #endif
29
30 #include <openssl/ui.h>
31 #include <openssl/pkcs12.h>
32 #include <openssl/ssl.h>
33
34 /* explicit #includes not strictly needed since implied by the above: */
35 #include <stdlib.h>
36 #include <openssl/cmp.h>
37 #include <openssl/cmp_util.h>
38 #include <openssl/crmf.h>
39 #include <openssl/crypto.h>
40 #include <openssl/err.h>
41 #include <openssl/store.h>
42 #include <openssl/objects.h>
43 #include <openssl/x509.h>
44
45 DEFINE_STACK_OF(X509)
46 DEFINE_STACK_OF(X509_EXTENSION)
47 DEFINE_STACK_OF(OSSL_CMP_ITAV)
48
49 static char *opt_config = NULL;
50 #define CMP_SECTION "cmp"
51 #define SECTION_NAME_MAX 40 /* max length of section name */
52 #define DEFAULT_SECTION "default"
53 static char *opt_section = CMP_SECTION;
54
55 #undef PROG
56 #define PROG cmp_main
57 static char *prog = "cmp";
58
59 static int read_config(void);
60
61 static CONF *conf = NULL; /* OpenSSL config file context structure */
62 static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
63
64 /* the type of cmp command we want to send */
65 typedef enum {
66 CMP_IR,
67 CMP_KUR,
68 CMP_CR,
69 CMP_P10CR,
70 CMP_RR,
71 CMP_GENM
72 } cmp_cmd_t;
73
74 /* message transfer */
75 static char *opt_server = NULL;
76 static char server_port_s[32] = { '\0' };
77 static int server_port = 0;
78 static char *opt_proxy = NULL;
79 static char *opt_no_proxy = NULL;
80 static char *opt_path = "/";
81 static int opt_msg_timeout = -1;
82 static int opt_total_timeout = -1;
83
84 /* server authentication */
85 static char *opt_trusted = NULL;
86 static char *opt_untrusted = NULL;
87 static char *opt_srvcert = NULL;
88 static char *opt_recipient = NULL;
89 static char *opt_expect_sender = NULL;
90 static int opt_ignore_keyusage = 0;
91 static int opt_unprotected_errors = 0;
92 static char *opt_extracertsout = NULL;
93 static char *opt_cacertsout = NULL;
94
95 /* client authentication */
96 static char *opt_ref = NULL;
97 static char *opt_secret = NULL;
98 static char *opt_cert = NULL;
99 static char *opt_key = NULL;
100 static char *opt_keypass = NULL;
101 static char *opt_digest = NULL;
102 static char *opt_mac = NULL;
103 static char *opt_extracerts = NULL;
104 static int opt_unprotected_requests = 0;
105
106 /* generic message */
107 static char *opt_cmd_s = NULL;
108 static int opt_cmd = -1;
109 static char *opt_geninfo = NULL;
110 static char *opt_infotype_s = NULL;
111 static int opt_infotype = NID_undef;
112
113 /* certificate enrollment */
114 static char *opt_newkey = NULL;
115 static char *opt_newkeypass = NULL;
116 static char *opt_subject = NULL;
117 static char *opt_issuer = NULL;
118 static int opt_days = 0;
119 static char *opt_reqexts = NULL;
120 static char *opt_sans = NULL;
121 static int opt_san_nodefault = 0;
122 static char *opt_policies = NULL;
123 static char *opt_policy_oids = NULL;
124 static int opt_policy_oids_critical = 0;
125 static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
126 static char *opt_csr = NULL;
127 static char *opt_out_trusted = NULL;
128 static int opt_implicit_confirm = 0;
129 static int opt_disable_confirm = 0;
130 static char *opt_certout = NULL;
131
132 /* certificate enrollment and revocation */
133 static char *opt_oldcert = NULL;
134 static int opt_revreason = CRL_REASON_NONE;
135
136 /* credentials format */
137 static char *opt_certform_s = "PEM";
138 static int opt_certform = FORMAT_PEM;
139 static char *opt_keyform_s = "PEM";
140 static int opt_keyform = FORMAT_PEM;
141 static char *opt_certsform_s = "PEM";
142 static int opt_certsform = FORMAT_PEM;
143 static char *opt_otherpass = NULL;
144 static char *opt_engine = NULL;
145
146 /* TLS connection */
147 static int opt_tls_used = 0;
148 static char *opt_tls_cert = NULL;
149 static char *opt_tls_key = NULL;
150 static char *opt_tls_keypass = NULL;
151 static char *opt_tls_extra = NULL;
152 static char *opt_tls_trusted = NULL;
153 static char *opt_tls_host = NULL;
154
155 /* client-side debugging */
156 static int opt_batch = 0;
157 static int opt_repeat = 1;
158 static char *opt_reqin = NULL;
159 static int opt_reqin_new_tid = 0;
160 static char *opt_reqout = NULL;
161 static char *opt_rspin = NULL;
162 static char *opt_rspout = NULL;
163 static int opt_use_mock_srv = 0;
164
165 /* server-side debugging */
166 static char *opt_port = NULL;
167 static int opt_max_msgs = 0;
168
169 static char *opt_srv_ref = NULL;
170 static char *opt_srv_secret = NULL;
171 static char *opt_srv_cert = NULL;
172 static char *opt_srv_key = NULL;
173 static char *opt_srv_keypass = NULL;
174
175 static char *opt_srv_trusted = NULL;
176 static char *opt_srv_untrusted = NULL;
177 static char *opt_rsp_cert = NULL;
178 static char *opt_rsp_extracerts = NULL;
179 static char *opt_rsp_capubs = NULL;
180 static int opt_poll_count = 0;
181 static int opt_check_after = 1;
182 static int opt_grant_implicitconf = 0;
183
184 static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
185 static int opt_failure = INT_MIN;
186 static int opt_failurebits = 0;
187 static char *opt_statusstring = NULL;
188 static int opt_send_error = 0;
189 static int opt_send_unprotected = 0;
190 static int opt_send_unprot_err = 0;
191 static int opt_accept_unprotected = 0;
192 static int opt_accept_unprot_err = 0;
193 static int opt_accept_raverified = 0;
194
195 static X509_VERIFY_PARAM *vpm = NULL;
196
197 typedef enum OPTION_choice {
198 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
199 OPT_CONFIG, OPT_SECTION,
200
201 OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
202
203 OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
204 OPT_DAYS, OPT_REQEXTS,
205 OPT_SANS, OPT_SAN_NODEFAULT,
206 OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
207 OPT_POPO, OPT_CSR,
208 OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
209 OPT_CERTOUT,
210
211 OPT_OLDCERT, OPT_REVREASON,
212
213 OPT_SERVER, OPT_PROXY, OPT_NO_PROXY, OPT_PATH,
214 OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
215
216 OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
217 OPT_RECIPIENT, OPT_EXPECT_SENDER,
218 OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
219 OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
220
221 OPT_REF, OPT_SECRET, OPT_CERT, OPT_KEY, OPT_KEYPASS,
222 OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
223 OPT_UNPROTECTED_REQUESTS,
224
225 OPT_CERTFORM, OPT_KEYFORM, OPT_CERTSFORM,
226 OPT_OTHERPASS,
227 #ifndef OPENSSL_NO_ENGINE
228 OPT_ENGINE,
229 #endif
230 OPT_PROV_ENUM,
231
232 OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
233 OPT_TLS_KEYPASS,
234 OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
235
236 OPT_BATCH, OPT_REPEAT,
237 OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
238
239 OPT_USE_MOCK_SRV, OPT_PORT, OPT_MAX_MSGS,
240 OPT_SRV_REF, OPT_SRV_SECRET,
241 OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
242 OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
243 OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
244 OPT_POLL_COUNT, OPT_CHECK_AFTER,
245 OPT_GRANT_IMPLICITCONF,
246 OPT_PKISTATUS, OPT_FAILURE,
247 OPT_FAILUREBITS, OPT_STATUSSTRING,
248 OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
249 OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
250 OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
251
252 OPT_V_ENUM
253 } OPTION_CHOICE;
254
255 const OPTIONS cmp_options[] = {
256 /* entries must be in the same order as enumerated above!! */
257 {"help", OPT_HELP, '-', "Display this summary"},
258 {"config", OPT_CONFIG, 's',
259 "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
260 {"section", OPT_SECTION, 's',
261 "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
262
263 OPT_SECTION("Generic message"),
264 {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
265 {"infotype", OPT_INFOTYPE, 's',
266 "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
267 {"geninfo", OPT_GENINFO, 's',
268 "generalInfo integer values to place in request PKIHeader with given OID"},
269 {OPT_MORE_STR, 0, 0,
270 "specified in the form <OID>:int:<n>, e.g. \"1.2.3:int:987\""},
271
272 OPT_SECTION("Certificate enrollment"),
273 {"newkey", OPT_NEWKEY, 's',
274 "Private or public key for the requested cert. Default: CSR key or client key"},
275 {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
276 {"subject", OPT_SUBJECT, 's',
277 "Distinguished Name (DN) of subject to use in the requested cert template"},
278 {OPT_MORE_STR, 0, 0,
279 "For kur, default is the subject DN of the reference cert (see -oldcert);"},
280 {OPT_MORE_STR, 0, 0,
281 "this default is used for ir and cr only if no Subject Alt Names are set"},
282 {"issuer", OPT_ISSUER, 's',
283 "DN of the issuer to place in the requested certificate template"},
284 {OPT_MORE_STR, 0, 0,
285 "also used as recipient if neither -recipient nor -srvcert are given"},
286 {"days", OPT_DAYS, 'n',
287 "Requested validity time of the new certificate in number of days"},
288 {"reqexts", OPT_REQEXTS, 's',
289 "Name of config file section defining certificate request extensions"},
290 {"sans", OPT_SANS, 's',
291 "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
292 {"san_nodefault", OPT_SAN_NODEFAULT, '-',
293 "Do not take default SANs from reference certificate (see -oldcert)"},
294 {"policies", OPT_POLICIES, 's',
295 "Name of config file section defining policies certificate request extension"},
296 {"policy_oids", OPT_POLICY_OIDS, 's',
297 "Policy OID(s) to add as policies certificate request extension"},
298 {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
299 "Flag the policy OID(s) given with -policy_oids as critical"},
300 {"popo", OPT_POPO, 'n',
301 "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
302 {OPT_MORE_STR, 0, 0,
303 "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
304 {"csr", OPT_CSR, 's',
305 "CSR file in PKCS#10 format to use in p10cr for legacy support"},
306 {"out_trusted", OPT_OUT_TRUSTED, 's',
307 "Certificates to trust when verifying newly enrolled certificates"},
308 {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
309 "Request implicit confirmation of newly enrolled certificates"},
310 {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
311 "Do not confirm newly enrolled certificate w/o requesting implicit"},
312 {OPT_MORE_STR, 0, 0,
313 "confirmation. WARNING: This leads to behavior violating RFC 4210"},
314 {"certout", OPT_CERTOUT, 's',
315 "File to save newly enrolled certificate"},
316
317 OPT_SECTION("Certificate enrollment and revocation"),
318
319 {"oldcert", OPT_OLDCERT, 's',
320 "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
321 {OPT_MORE_STR, 0, 0,
322 "also used as reference (defaulting to -cert) for subject DN and SANs."},
323 {OPT_MORE_STR, 0, 0,
324 "Its issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
325 {"revreason", OPT_REVREASON, 'n',
326 "Reason code to include in revocation request (rr); possible values:"},
327 {OPT_MORE_STR, 0, 0,
328 "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
329
330 OPT_SECTION("Message transfer"),
331 {"server", OPT_SERVER, 's',
332 "[http[s]://]address[:port] of CMP server. Default port 80 or 443."},
333 {OPT_MORE_STR, 0, 0,
334 "The address may be a DNS name or an IP address"},
335 {"proxy", OPT_PROXY, 's',
336 "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
337 {"no_proxy", OPT_NO_PROXY, 's',
338 "List of addresses of servers not to use HTTP(S) proxy for"},
339 {OPT_MORE_STR, 0, 0,
340 "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
341 {"path", OPT_PATH, 's',
342 "HTTP path (aka CMP alias) at the CMP server. Default \"/\""},
343 {"msg_timeout", OPT_MSG_TIMEOUT, 'n',
344 "Timeout per CMP message round trip (or 0 for none). Default 120 seconds"},
345 {"total_timeout", OPT_TOTAL_TIMEOUT, 'n',
346 "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
347
348 OPT_SECTION("Server authentication"),
349 {"trusted", OPT_TRUSTED, 's',
350 "Certificates to trust as chain roots when verifying signed CMP responses"},
351 {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
352 {"untrusted", OPT_UNTRUSTED, 's',
353 "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
354 {"srvcert", OPT_SRVCERT, 's',
355 "Server cert to pin and trust directly when verifying signed CMP responses"},
356 {"recipient", OPT_RECIPIENT, 's',
357 "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
358 {"expect_sender", OPT_EXPECT_SENDER, 's',
359 "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
360 {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
361 "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
362 {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
363 "Accept missing or invalid protection of regular error messages and negative"},
364 {OPT_MORE_STR, 0, 0,
365 "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
366 {OPT_MORE_STR, 0, 0,
367 "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
368 {"extracertsout", OPT_EXTRACERTSOUT, 's',
369 "File to save extra certificates received in the extraCerts field"},
370 {"cacertsout", OPT_CACERTSOUT, 's',
371 "File to save CA certificates received in the caPubs field of 'ip' messages"},
372
373 OPT_SECTION("Client authentication"),
374 {"ref", OPT_REF, 's',
375 "Reference value to use as senderKID in case no -cert is given"},
376 {"secret", OPT_SECRET, 's',
377 "Password source for client authentication with a pre-shared key (secret)"},
378 {"cert", OPT_CERT, 's',
379 "Client's current certificate (needed unless using -secret for PBM);"},
380 {OPT_MORE_STR, 0, 0,
381 "any further certs included are appended in extraCerts field"},
382 {"key", OPT_KEY, 's', "Private key for the client's current certificate"},
383 {"keypass", OPT_KEYPASS, 's',
384 "Client private key (and cert and old cert file) pass phrase source"},
385 {"digest", OPT_DIGEST, 's',
386 "Digest to use in message protection and POPO signatures. Default \"sha256\""},
387 {"mac", OPT_MAC, 's',
388 "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
389 {"extracerts", OPT_EXTRACERTS, 's',
390 "Certificates to append in extraCerts field of outgoing messages"},
391 {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
392 "Send messages without CMP-level protection"},
393
394 OPT_SECTION("Credentials format"),
395 {"certform", OPT_CERTFORM, 's',
396 "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
397 {OPT_MORE_STR, 0, 0,
398 "This also determines format to use for writing (not supported for P12)"},
399 {"keyform", OPT_KEYFORM, 's',
400 "Format to assume when reading key files. Default PEM"},
401 {"certsform", OPT_CERTSFORM, 's',
402 "Format (PEM/DER/P12) to try first reading multiple certs. Default PEM"},
403 {"otherpass", OPT_OTHERPASS, 's',
404 "Pass phrase source potentially needed for loading certificates of others"},
405 #ifndef OPENSSL_NO_ENGINE
406 {"engine", OPT_ENGINE, 's',
407 "Use crypto engine with given identifier, possibly a hardware device."},
408 {OPT_MORE_STR, 0, 0,
409 "Engines may be defined in OpenSSL config file engine section."},
410 {OPT_MORE_STR, 0, 0,
411 "Options like -key specifying keys held in the engine can give key IDs"},
412 {OPT_MORE_STR, 0, 0,
413 "prefixed by 'engine:', e.g. '-key engine:pkcs11:object=mykey;pin-value=1234'"},
414 #endif
415 OPT_PROV_OPTIONS,
416
417 OPT_SECTION("TLS connection"),
418 {"tls_used", OPT_TLS_USED, '-',
419 "Enable using TLS (also when other TLS options are not set)"},
420 {"tls_cert", OPT_TLS_CERT, 's',
421 "Client's TLS certificate. May include chain to be provided to TLS server"},
422 {"tls_key", OPT_TLS_KEY, 's',
423 "Private key for the client's TLS certificate"},
424 {"tls_keypass", OPT_TLS_KEYPASS, 's',
425 "Pass phrase source for the client's private TLS key (and TLS cert file)"},
426 {"tls_extra", OPT_TLS_EXTRA, 's',
427 "Extra certificates to provide to TLS server during TLS handshake"},
428 {"tls_trusted", OPT_TLS_TRUSTED, 's',
429 "Trusted certificates to use for verifying the TLS server certificate;"},
430 {OPT_MORE_STR, 0, 0, "this implies host name validation"},
431 {"tls_host", OPT_TLS_HOST, 's',
432 "Address to be checked (rather than -server) during TLS host name validation"},
433
434 OPT_SECTION("Client-side debugging"),
435 {"batch", OPT_BATCH, '-',
436 "Do not interactively prompt for input when a password is required etc."},
437 {"repeat", OPT_REPEAT, 'n',
438 "Invoke the transaction the given number of times. Default 1"},
439 {"reqin", OPT_REQIN, 's', "Take sequence of CMP requests from file(s)"},
440 {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
441 "Use fresh transactionID for CMP requests read from -reqin"},
442 {"reqout", OPT_REQOUT, 's', "Save sequence of CMP requests to file(s)"},
443 {"rspin", OPT_RSPIN, 's',
444 "Process sequence of CMP responses provided in file(s), skipping server"},
445 {"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
446
447 {"use_mock_srv", OPT_USE_MOCK_SRV, '-', "Use mock server at API level, bypassing HTTP"},
448
449 OPT_SECTION("Mock server"),
450 {"port", OPT_PORT, 's', "Act as HTTP mock server listening on given port"},
451 {"max_msgs", OPT_MAX_MSGS, 'n',
452 "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
453
454 {"srv_ref", OPT_SRV_REF, 's',
455 "Reference value to use as senderKID of server in case no -srv_cert is given"},
456 {"srv_secret", OPT_SRV_SECRET, 's',
457 "Password source for server authentication with a pre-shared key (secret)"},
458 {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
459 {"srv_key", OPT_SRV_KEY, 's',
460 "Private key used by the server for signing messages"},
461 {"srv_keypass", OPT_SRV_KEYPASS, 's',
462 "Server private key (and cert) file pass phrase source"},
463
464 {"srv_trusted", OPT_SRV_TRUSTED, 's',
465 "Trusted certificates for client authentication"},
466 {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
467 "Intermediate certs that may be useful for verifying CMP protection"},
468 {"rsp_cert", OPT_RSP_CERT, 's',
469 "Certificate to be returned as mock enrollment result"},
470 {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
471 "Extra certificates to be included in mock certification responses"},
472 {"rsp_capubs", OPT_RSP_CAPUBS, 's',
473 "CA certificates to be included in mock ip response"},
474 {"poll_count", OPT_POLL_COUNT, 'n',
475 "Number of times the client must poll before receiving a certificate"},
476 {"check_after", OPT_CHECK_AFTER, 'n',
477 "The check_after value (time to wait) to include in poll response"},
478 {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
479 "Grant implicit confirmation of newly enrolled certificate"},
480
481 {"pkistatus", OPT_PKISTATUS, 'n',
482 "PKIStatus to be included in server response. Possible values: 0..6"},
483 {"failure", OPT_FAILURE, 'n',
484 "A single failure info bit number to include in server response, 0..26"},
485 {"failurebits", OPT_FAILUREBITS, 'n',
486 "Number representing failure bits to include in server response, 0..2^27 - 1"},
487 {"statusstring", OPT_STATUSSTRING, 's',
488 "Status string to be included in server response"},
489 {"send_error", OPT_SEND_ERROR, '-',
490 "Force server to reply with error message"},
491 {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
492 "Send response messages without CMP-level protection"},
493 {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
494 "In case of negative responses, server shall send unprotected error messages,"},
495 {OPT_MORE_STR, 0, 0,
496 "certificate responses (ip/cp/kup), and revocation responses (rp)."},
497 {OPT_MORE_STR, 0, 0,
498 "WARNING: This setting leads to behavior violating RFC 4210"},
499 {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
500 "Accept missing or invalid protection of requests"},
501 {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
502 "Accept unprotected error messages from client"},
503 {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
504 "Accept RAVERIFIED as proof-of-possession (POPO)"},
505
506 OPT_V_OPTIONS,
507 {NULL}
508 };
509
510 typedef union {
511 char **txt;
512 int *num;
513 long *num_long;
514 } varref;
515 static varref cmp_vars[] = { /* must be in same order as enumerated above! */
516 {&opt_config}, {&opt_section},
517
518 {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
519
520 {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
521 {(char **)&opt_days}, {&opt_reqexts},
522 {&opt_sans}, {(char **)&opt_san_nodefault},
523 {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
524 {(char **)&opt_popo}, {&opt_csr},
525 {&opt_out_trusted},
526 {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
527 {&opt_certout},
528
529 {&opt_oldcert}, {(char **)&opt_revreason},
530
531 {&opt_server}, {&opt_proxy}, {&opt_no_proxy}, {&opt_path},
532 {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
533
534 {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
535 {&opt_recipient}, {&opt_expect_sender},
536 {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
537 {&opt_extracertsout}, {&opt_cacertsout},
538
539 {&opt_ref}, {&opt_secret}, {&opt_cert}, {&opt_key}, {&opt_keypass},
540 {&opt_digest}, {&opt_mac}, {&opt_extracerts},
541 {(char **)&opt_unprotected_requests},
542
543 {&opt_certform_s}, {&opt_keyform_s}, {&opt_certsform_s},
544 {&opt_otherpass},
545 #ifndef OPENSSL_NO_ENGINE
546 {&opt_engine},
547 #endif
548
549 {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
550 {&opt_tls_keypass},
551 {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
552
553 {(char **)&opt_batch}, {(char **)&opt_repeat},
554 {&opt_reqin}, {(char **)&opt_reqin_new_tid},
555 {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
556
557 {(char **)&opt_use_mock_srv}, {&opt_port}, {(char **)&opt_max_msgs},
558 {&opt_srv_ref}, {&opt_srv_secret},
559 {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
560 {&opt_srv_trusted}, {&opt_srv_untrusted},
561 {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
562 {(char **)&opt_poll_count}, {(char **)&opt_check_after},
563 {(char **)&opt_grant_implicitconf},
564 {(char **)&opt_pkistatus}, {(char **)&opt_failure},
565 {(char **)&opt_failurebits}, {&opt_statusstring},
566 {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
567 {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
568 {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
569
570 {NULL}
571 };
572
573 #ifndef NDEBUG
574 # define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
575 ? "CMP" : "OPENSSL_FUNC")
576 # define PRINT_LOCATION(bio) BIO_printf(bio, "%s:%s:%d:", \
577 FUNC, OPENSSL_FILE, OPENSSL_LINE)
578 #else
579 # define PRINT_LOCATION(bio) ((void)0)
580 #endif
581 #define CMP_print(bio, prefix, msg, a1, a2, a3) \
582 (PRINT_LOCATION(bio), \
583 BIO_printf(bio, "CMP %s: " msg "\n", prefix, a1, a2, a3))
584 #define CMP_INFO(msg, a1, a2, a3) CMP_print(bio_out, "info", msg, a1, a2, a3)
585 #define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
586 #define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
587 #define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
588 #define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
589 #define CMP_WARN(m, a1, a2, a3) CMP_print(bio_out, "warning", m, a1, a2, a3)
590 #define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
591 #define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
592 #define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
593 #define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
594 #define CMP_ERR(msg, a1, a2, a3) CMP_print(bio_err, "error", msg, a1, a2, a3)
595 #define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
596 #define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
597 #define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
598 #define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
599
600 static int print_to_bio_out(const char *func, const char *file, int line,
601 OSSL_CMP_severity level, const char *msg)
602 {
603 return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
604 }
605
606 /* code duplicated from crypto/cmp/cmp_util.c */
607 static int sk_X509_add1_cert(STACK_OF(X509) *sk, X509 *cert,
608 int no_dup, int prepend)
609 {
610 if (no_dup) {
611 /*
612 * not using sk_X509_set_cmp_func() and sk_X509_find()
613 * because this re-orders the certs on the stack
614 */
615 int i;
616
617 for (i = 0; i < sk_X509_num(sk); i++) {
618 if (X509_cmp(sk_X509_value(sk, i), cert) == 0)
619 return 1;
620 }
621 }
622 if (!X509_up_ref(cert))
623 return 0;
624 if (!sk_X509_insert(sk, cert, prepend ? 0 : -1)) {
625 X509_free(cert);
626 return 0;
627 }
628 return 1;
629 }
630
631 /* code duplicated from crypto/cmp/cmp_util.c */
632 static int sk_X509_add1_certs(STACK_OF(X509) *sk, STACK_OF(X509) *certs,
633 int no_self_signed, int no_dups, int prepend)
634 /* compiler would allow 'const' for the list of certs, yet they are up-ref'ed */
635 {
636 int i;
637
638 if (sk == NULL)
639 return 0;
640 if (certs == NULL)
641 return 1;
642 for (i = 0; i < sk_X509_num(certs); i++) {
643 X509 *cert = sk_X509_value(certs, i);
644
645 if (!no_self_signed || X509_check_issued(cert, cert) != X509_V_OK) {
646 if (!sk_X509_add1_cert(sk, cert, no_dups, prepend))
647 return 0;
648 }
649 }
650 return 1;
651 }
652
653 /* TODO potentially move to apps/lib/apps.c */
654 static char *next_item(char *opt) /* in list separated by comma and/or space */
655 {
656 /* advance to separator (comma or whitespace), if any */
657 while (*opt != ',' && !isspace(*opt) && *opt != '\0') {
658 if (*opt == '\\' && opt[1] != '\0')
659 /* skip and unescape '\' escaped char */
660 memmove(opt, opt + 1, strlen(opt));
661 opt++;
662 }
663 if (*opt != '\0') {
664 /* terminate current item */
665 *opt++ = '\0';
666 /* skip over any whitespace after separator */
667 while (isspace(*opt))
668 opt++;
669 }
670 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
671 }
672
673 static EVP_PKEY *load_key_pwd(const char *uri, int format,
674 const char *pass, ENGINE *eng, const char *desc)
675 {
676 char *pass_string = get_passwd(pass, desc);
677 EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
678
679 clear_free(pass_string);
680 return pkey;
681 }
682
683 static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
684 {
685 X509 *cert;
686 char *pass_string = get_passwd(pass, desc);
687
688 cert = load_cert_pass(uri, 0, pass_string, desc);
689 clear_free(pass_string);
690 return cert;
691 }
692
693 /* TODO remove when PR #4930 is merged */
694 static int load_pkcs12(BIO *in, const char *desc,
695 pem_password_cb *pem_cb, void *cb_data,
696 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
697 {
698 const char *pass;
699 char tpass[PEM_BUFSIZE];
700 int len;
701 int ret = 0;
702 PKCS12 *p12 = d2i_PKCS12_bio(in, NULL);
703
704 if (desc == NULL)
705 desc = "PKCS12 input";
706 if (p12 == NULL) {
707 BIO_printf(bio_err, "error loading PKCS12 file for %s\n", desc);
708 goto die;
709 }
710
711 /* See if an empty password will do */
712 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
713 pass = "";
714 } else {
715 if (pem_cb == NULL)
716 pem_cb = wrap_password_callback;
717 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
718 if (len < 0) {
719 BIO_printf(bio_err, "passphrase callback error for %s\n", desc);
720 goto die;
721 }
722 if (len < PEM_BUFSIZE)
723 tpass[len] = 0;
724 if (!PKCS12_verify_mac(p12, tpass, len)) {
725 BIO_printf(bio_err,
726 "mac verify error (wrong password?) in PKCS12 file for %s\n",
727 desc);
728 goto die;
729 }
730 pass = tpass;
731 }
732 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
733 die:
734 PKCS12_free(p12);
735 return ret;
736 }
737
738 /* TODO potentially move this and related functions to apps/lib/apps.c */
739 static int adjust_format(const char **infile, int format, int engine_ok)
740 {
741 if (!strncasecmp(*infile, "http://", 7)
742 || !strncasecmp(*infile, "https://", 8)) {
743 format = FORMAT_HTTP;
744 } else if (engine_ok && strncasecmp(*infile, "engine:", 7) == 0) {
745 *infile += 7;
746 format = FORMAT_ENGINE;
747 } else {
748 if (strncasecmp(*infile, "file:", 5) == 0)
749 *infile += 5;
750 /*
751 * the following is a heuristic whether first to try PEM or DER
752 * or PKCS12 as the input format for files
753 */
754 if (strlen(*infile) >= 4) {
755 const char *extension = *infile + strlen(*infile) - 4;
756
757 if (strncasecmp(extension, ".crt", 4) == 0
758 || strncasecmp(extension, ".pem", 4) == 0)
759 /* weak recognition of PEM format */
760 format = FORMAT_PEM;
761 else if (strncasecmp(extension, ".cer", 4) == 0
762 || strncasecmp(extension, ".der", 4) == 0)
763 /* weak recognition of DER format */
764 format = FORMAT_ASN1;
765 else if (strncasecmp(extension, ".p12", 4) == 0)
766 /* weak recognition of PKCS#12 format */
767 format = FORMAT_PKCS12;
768 /* else retain given format */
769 }
770 }
771 return format;
772 }
773
774 /*
775 * TODO potentially move this and related functions to apps/lib/
776 * or even better extend OSSL_STORE with type OSSL_STORE_INFO_CRL
777 */
778 static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
779 {
780 X509_REQ *csr;
781 BIO *bio_bak = bio_err;
782 int can_retry;
783 int format = adjust_format(&infile, FORMAT_PEM, 0);
784
785 can_retry = format == FORMAT_PEM || format == FORMAT_ASN1;
786 if (can_retry)
787 bio_err = NULL; /* do not show errors on more than one try */
788 csr = load_csr(infile, format, desc);
789 bio_err = bio_bak;
790 if (csr == NULL && can_retry) {
791 ERR_clear_error();
792 format = (format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM);
793 csr = load_csr(infile, format, desc);
794 }
795 if (csr == NULL) {
796 ERR_print_errors(bio_err);
797 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
798 infile);
799 }
800 return csr;
801 }
802
803 /* TODO replace by calling generalized load_certs() when PR #4930 is merged */
804 static int load_certs_preliminary(const char *file, STACK_OF(X509) **certs,
805 int format, const char *pass,
806 const char *desc)
807 {
808 X509 *cert = NULL;
809 int ret = 0;
810
811 if (format == FORMAT_PKCS12) {
812 BIO *bio = bio_open_default(file, 'r', format);
813
814 if (bio != NULL) {
815 EVP_PKEY *pkey = NULL; /* pkey is needed until PR #4930 is merged */
816 PW_CB_DATA cb_data;
817
818 cb_data.password = pass;
819 cb_data.prompt_info = file;
820 ret = load_pkcs12(bio, desc, wrap_password_callback,
821 &cb_data, &pkey, &cert, certs);
822 EVP_PKEY_free(pkey);
823 BIO_free(bio);
824 }
825 } else if (format == FORMAT_ASN1) { /* load only one cert in this case */
826 CMP_warn1("can load only one certificate in DER format from %s", file);
827 cert = load_cert_pass(file, 0, pass, desc);
828 }
829 if (format == FORMAT_PKCS12 || format == FORMAT_ASN1) {
830 if (cert) {
831 if (*certs == NULL)
832 *certs = sk_X509_new_null();
833 if (*certs != NULL)
834 ret = sk_X509_insert(*certs, cert, 0);
835 else
836 X509_free(cert);
837 }
838 } else {
839 ret = load_certs(file, certs, format, pass, desc);
840 }
841 return ret;
842 }
843
844 static void warn_certs_expired(const char *file, STACK_OF(X509) **certs)
845 {
846 int i, res;
847 X509 *cert;
848 char *subj;
849
850 for (i = 0; i < sk_X509_num(*certs); i++) {
851 cert = sk_X509_value(*certs, i);
852 res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
853 X509_get0_notAfter(cert));
854 if (res != 0) {
855 subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
856 CMP_warn3("certificate from '%s' with subject '%s' %s", file, subj,
857 res > 0 ? "has expired" : "not yet valid");
858 OPENSSL_free(subj);
859 }
860 }
861 }
862
863 /*
864 * TODO potentially move this and related functions to apps/lib/
865 * or even better extend OSSL_STORE with type OSSL_STORE_INFO_CERTS
866 */
867 static int load_certs_autofmt(const char *infile, STACK_OF(X509) **certs,
868 int exclude_http, const char *pass,
869 const char *desc)
870 {
871 int ret = 0;
872 char *pass_string;
873 BIO *bio_bak = bio_err;
874 int format = adjust_format(&infile, opt_certsform, 0);
875
876 if (exclude_http && format == FORMAT_HTTP) {
877 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
878 return ret;
879 }
880 pass_string = get_passwd(pass, desc);
881 if (format != FORMAT_HTTP)
882 bio_err = NULL; /* do not show errors on more than one try */
883 ret = load_certs_preliminary(infile, certs, format, pass_string, desc);
884 bio_err = bio_bak;
885 if (!ret && format != FORMAT_HTTP) {
886 int format2 = format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM;
887
888 ERR_clear_error();
889 ret = load_certs_preliminary(infile, certs, format2, pass_string, desc);
890 }
891 clear_free(pass_string);
892
893 if (ret)
894 warn_certs_expired(infile, certs);
895 return ret;
896 }
897
898 /* set expected host name/IP addr and clears the email addr in the given ts */
899 static int truststore_set_host_etc(X509_STORE *ts, char *host)
900 {
901 X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
902
903 /* first clear any host names, IP, and email addresses */
904 if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
905 || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
906 || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
907 return 0;
908 X509_VERIFY_PARAM_set_hostflags(ts_vpm,
909 X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
910 X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
911 return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
912 || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
913 }
914
915 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
916 const STACK_OF(X509) *certs /* may NULL */)
917 {
918 int i;
919
920 if (store == NULL)
921 store = X509_STORE_new();
922 if (store == NULL)
923 return NULL;
924 for (i = 0; i < sk_X509_num(certs); i++) {
925 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
926 X509_STORE_free(store);
927 return NULL;
928 }
929 }
930 return store;
931 }
932
933 /* write OSSL_CMP_MSG DER-encoded to the specified file name item */
934 static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
935 {
936 char *file;
937
938 if (msg == NULL || filenames == NULL) {
939 CMP_err("NULL arg to write_PKIMESSAGE");
940 return 0;
941 }
942 if (*filenames == NULL) {
943 CMP_err("Not enough file names provided for writing PKIMessage");
944 return 0;
945 }
946
947 file = *filenames;
948 *filenames = next_item(file);
949 if (OSSL_CMP_MSG_write(file, msg) < 0) {
950 CMP_err1("Cannot write PKIMessage to file '%s'", file);
951 return 0;
952 }
953 return 1;
954 }
955
956 /* read DER-encoded OSSL_CMP_MSG from the specified file name item */
957 static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
958 {
959 char *file;
960 OSSL_CMP_MSG *ret;
961
962 if (filenames == NULL) {
963 CMP_err("NULL arg to read_PKIMESSAGE");
964 return NULL;
965 }
966 if (*filenames == NULL) {
967 CMP_err("Not enough file names provided for reading PKIMessage");
968 return NULL;
969 }
970
971 file = *filenames;
972 *filenames = next_item(file);
973
974 ret = OSSL_CMP_MSG_read(file);
975 if (ret == NULL)
976 CMP_err1("Cannot read PKIMessage from file '%s'", file);
977 return ret;
978 }
979
980 /*-
981 * Sends the PKIMessage req and on success place the response in *res
982 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
983 * to dump the sequence of requests and responses to files and/or
984 * to take the sequence of requests and responses from files.
985 */
986 static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
987 const OSSL_CMP_MSG *req)
988 {
989 OSSL_CMP_MSG *req_new = NULL;
990 OSSL_CMP_MSG *res = NULL;
991 OSSL_CMP_PKIHEADER *hdr;
992
993 if (req != NULL && opt_reqout != NULL
994 && !write_PKIMESSAGE(req, &opt_reqout))
995 goto err;
996 if (opt_reqin != NULL && opt_rspin == NULL) {
997 if ((req_new = read_PKIMESSAGE(&opt_reqin)) == NULL)
998 goto err;
999 /*-
1000 * The transaction ID in req_new read from opt_reqin may not be fresh.
1001 * In this case the server may complain "Transaction id already in use."
1002 * The following workaround unfortunately requires re-protection.
1003 */
1004 if (opt_reqin_new_tid
1005 && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
1006 goto err;
1007 }
1008
1009 if (opt_rspin != NULL) {
1010 res = read_PKIMESSAGE(&opt_rspin);
1011 } else {
1012 const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
1013
1014 res = opt_use_mock_srv
1015 ? OSSL_CMP_CTX_server_perform(ctx, actual_req)
1016 : OSSL_CMP_MSG_http_perform(ctx, actual_req);
1017 }
1018 if (res == NULL)
1019 goto err;
1020
1021 if (opt_reqin != NULL || opt_rspin != NULL) {
1022 /* need to satisfy nonce and transactionID checks */
1023 ASN1_OCTET_STRING *nonce;
1024 ASN1_OCTET_STRING *tid;
1025
1026 hdr = OSSL_CMP_MSG_get0_header(res);
1027 nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
1028 tid = OSSL_CMP_HDR_get0_transactionID(hdr);
1029 if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
1030 || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
1031 OSSL_CMP_MSG_free(res);
1032 res = NULL;
1033 goto err;
1034 }
1035 }
1036
1037 if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
1038 OSSL_CMP_MSG_free(res);
1039 res = NULL;
1040 }
1041
1042 err:
1043 OSSL_CMP_MSG_free(req_new);
1044 return res;
1045 }
1046
1047 /*
1048 * parse string as integer value, not allowing trailing garbage, see also
1049 * https://www.gnu.org/software/libc/manual/html_node/Parsing-of-Integers.html
1050 *
1051 * returns integer value, or INT_MIN on error
1052 */
1053 static int atoint(const char *str)
1054 {
1055 char *tailptr;
1056 long res = strtol(str, &tailptr, 10);
1057
1058 if ((*tailptr != '\0') || (res < INT_MIN) || (res > INT_MAX))
1059 return INT_MIN;
1060 else
1061 return (int)res;
1062 }
1063
1064 static int parse_addr(char **opt_string, int port, const char *name)
1065 {
1066 char *port_string;
1067
1068 if (strncasecmp(*opt_string, OSSL_HTTP_PREFIX,
1069 strlen(OSSL_HTTP_PREFIX)) == 0) {
1070 *opt_string += strlen(OSSL_HTTP_PREFIX);
1071 } else if (strncasecmp(*opt_string, OSSL_HTTPS_PREFIX,
1072 strlen(OSSL_HTTPS_PREFIX)) == 0) {
1073 *opt_string += strlen(OSSL_HTTPS_PREFIX);
1074 if (port == 0)
1075 port = 443; /* == integer value of OSSL_HTTPS_PORT */
1076 }
1077
1078 if ((port_string = strrchr(*opt_string, ':')) == NULL)
1079 return port; /* using default */
1080 *(port_string++) = '\0';
1081 port = atoint(port_string);
1082 if ((port <= 0) || (port > 65535)) {
1083 CMP_err2("invalid %s port '%s' given, sane range 1-65535",
1084 name, port_string);
1085 return -1;
1086 }
1087 return port;
1088 }
1089
1090 static int set1_store_parameters(X509_STORE *ts)
1091 {
1092 if (ts == NULL)
1093 return 0;
1094
1095 /* copy vpm to store */
1096 if (!X509_STORE_set1_param(ts, vpm /* may be NULL */)) {
1097 BIO_printf(bio_err, "error setting verification parameters\n");
1098 OSSL_CMP_CTX_print_errors(cmp_ctx);
1099 return 0;
1100 }
1101
1102 X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
1103
1104 return 1;
1105 }
1106
1107 static int set_name(const char *str,
1108 int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
1109 OSSL_CMP_CTX *ctx, const char *desc)
1110 {
1111 if (str != NULL) {
1112 X509_NAME *n = parse_name(str, MBSTRING_ASC, 0);
1113
1114 if (n == NULL) {
1115 CMP_err2("cannot parse %s DN '%s'", desc, str);
1116 return 0;
1117 }
1118 if (!(*set_fn) (ctx, n)) {
1119 X509_NAME_free(n);
1120 CMP_err("out of memory");
1121 return 0;
1122 }
1123 X509_NAME_free(n);
1124 }
1125 return 1;
1126 }
1127
1128 static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
1129 {
1130 char *next;
1131
1132 for (; names != NULL; names = next) {
1133 GENERAL_NAME *n;
1134
1135 next = next_item(names);
1136 if (strcmp(names, "critical") == 0) {
1137 (void)OSSL_CMP_CTX_set_option(ctx,
1138 OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
1139 1);
1140 continue;
1141 }
1142
1143 /* try IP address first, then URI or domain name */
1144 (void)ERR_set_mark();
1145 n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
1146 if (n == NULL)
1147 n = a2i_GENERAL_NAME(NULL, NULL, NULL,
1148 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
1149 names, 0);
1150 (void)ERR_pop_to_mark();
1151
1152 if (n == NULL) {
1153 CMP_err2("bad syntax of %s '%s'", desc, names);
1154 return 0;
1155 }
1156 if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
1157 GENERAL_NAME_free(n);
1158 CMP_err("out of memory");
1159 return 0;
1160 }
1161 GENERAL_NAME_free(n);
1162 }
1163 return 1;
1164 }
1165
1166 /* TODO potentially move to apps/lib/apps.c */
1167 /*
1168 * create cert store structure with certificates read from given file(s)
1169 * returns pointer to created X509_STORE on success, NULL on error
1170 */
1171 static X509_STORE *load_certstore(char *input, const char *desc)
1172 {
1173 X509_STORE *store = NULL;
1174 STACK_OF(X509) *certs = NULL;
1175
1176 if (input == NULL)
1177 goto err;
1178
1179 while (input != NULL) {
1180 char *next = next_item(input); \
1181
1182 if (!load_certs_autofmt(input, &certs, 1, opt_otherpass, desc)
1183 || !(store = sk_X509_to_store(store, certs))) {
1184 /* CMP_err("out of memory"); */
1185 X509_STORE_free(store);
1186 store = NULL;
1187 goto err;
1188 }
1189 sk_X509_pop_free(certs, X509_free);
1190 certs = NULL;
1191 input = next;
1192 }
1193 err:
1194 sk_X509_pop_free(certs, X509_free);
1195 return store;
1196 }
1197
1198 /* TODO potentially move to apps/lib/apps.c */
1199 static STACK_OF(X509) *load_certs_multifile(char *files,
1200 const char *pass, const char *desc)
1201 {
1202 STACK_OF(X509) *certs = NULL;
1203 STACK_OF(X509) *result = sk_X509_new_null();
1204
1205 if (files == NULL)
1206 goto err;
1207 if (result == NULL)
1208 goto oom;
1209
1210 while (files != NULL) {
1211 char *next = next_item(files);
1212
1213 if (!load_certs_autofmt(files, &certs, 0, pass, desc))
1214 goto err;
1215 if (!sk_X509_add1_certs(result, certs, 0, 1 /* no dups */, 0))
1216 goto oom;
1217 sk_X509_pop_free(certs, X509_free);
1218 certs = NULL;
1219 files = next;
1220 }
1221 return result;
1222
1223 oom:
1224 BIO_printf(bio_err, "out of memory\n");
1225 err:
1226 sk_X509_pop_free(certs, X509_free);
1227 sk_X509_pop_free(result, X509_free);
1228 return NULL;
1229 }
1230
1231 typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
1232 typedef int (*add_X509_fn_t)(void *ctx, const X509 *cert);
1233
1234 static int setup_certs(char *files, const char *desc, void *ctx,
1235 add_X509_stack_fn_t addn_fn, add_X509_fn_t add1_fn)
1236 {
1237 int ret = 1;
1238
1239 if (files != NULL) {
1240 STACK_OF(X509) *certs = load_certs_multifile(files, opt_otherpass,
1241 desc);
1242 if (certs == NULL) {
1243 ret = 0;
1244 } else {
1245 if (addn_fn != NULL) {
1246 ret = (*addn_fn)(ctx, certs);
1247 } else {
1248 int i;
1249
1250 for (i = 0; i < sk_X509_num(certs /* may be NULL */); i++)
1251 ret &= (*add1_fn)(ctx, sk_X509_value(certs, i));
1252 }
1253 sk_X509_pop_free(certs, X509_free);
1254 }
1255 }
1256 return ret;
1257 }
1258
1259
1260 /*
1261 * parse and transform some options, checking their syntax.
1262 * Returns 1 on success, 0 on error
1263 */
1264 static int transform_opts(void)
1265 {
1266 if (opt_cmd_s != NULL) {
1267 if (!strcmp(opt_cmd_s, "ir")) {
1268 opt_cmd = CMP_IR;
1269 } else if (!strcmp(opt_cmd_s, "kur")) {
1270 opt_cmd = CMP_KUR;
1271 } else if (!strcmp(opt_cmd_s, "cr")) {
1272 opt_cmd = CMP_CR;
1273 } else if (!strcmp(opt_cmd_s, "p10cr")) {
1274 opt_cmd = CMP_P10CR;
1275 } else if (!strcmp(opt_cmd_s, "rr")) {
1276 opt_cmd = CMP_RR;
1277 } else if (!strcmp(opt_cmd_s, "genm")) {
1278 opt_cmd = CMP_GENM;
1279 } else {
1280 CMP_err1("unknown cmp command '%s'", opt_cmd_s);
1281 return 0;
1282 }
1283 } else {
1284 CMP_err("no cmp command to execute");
1285 return 0;
1286 }
1287
1288 #ifdef OPENSSL_NO_ENGINE
1289 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
1290 #else
1291 # define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
1292 #endif
1293
1294 if (opt_keyform_s != NULL
1295 && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
1296 CMP_err("unknown option given for key loading format");
1297 return 0;
1298 }
1299
1300 #undef FORMAT_OPTIONS
1301
1302 if (opt_certform_s != NULL
1303 && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
1304 CMP_err("unknown option given for certificate storing format");
1305 return 0;
1306 }
1307
1308 if (opt_certsform_s != NULL
1309 && !opt_format(opt_certsform_s, OPT_FMT_PEMDER | OPT_FMT_PKCS12,
1310 &opt_certsform)) {
1311 CMP_err("unknown option given for certificate list loading format");
1312 return 0;
1313 }
1314
1315 return 1;
1316 }
1317
1318 static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
1319 {
1320 OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
1321 OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new();
1322
1323 if (srv_ctx == NULL)
1324 return NULL;
1325 ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1326
1327 if (opt_srv_ref == NULL) {
1328 if (opt_srv_cert == NULL) {
1329 /* opt_srv_cert should determine the sender */
1330 CMP_err("must give -srv_ref for server if no -srv_cert given");
1331 goto err;
1332 }
1333 } else {
1334 if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1335 strlen(opt_srv_ref)))
1336 goto err;
1337 }
1338
1339 if (opt_srv_secret != NULL) {
1340 int res;
1341 char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of server");
1342
1343 if (pass_str != NULL) {
1344 cleanse(opt_srv_secret);
1345 res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1346 strlen(pass_str));
1347 clear_free(pass_str);
1348 if (res == 0)
1349 goto err;
1350 }
1351 } else if (opt_srv_cert == NULL) {
1352 CMP_err("server credentials must be given if -use_mock_srv or -port is used");
1353 goto err;
1354 } else {
1355 CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
1356 }
1357
1358 if (opt_srv_secret == NULL
1359 && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1360 CMP_err("must give both -srv_cert and -srv_key options or neither");
1361 goto err;
1362 }
1363 if (opt_srv_cert != NULL) {
1364 X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1365 "certificate of the server");
1366
1367 if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
1368 X509_free(srv_cert);
1369 goto err;
1370 }
1371 X509_free(srv_cert);
1372 }
1373 if (opt_srv_key != NULL) {
1374 EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1375 opt_srv_keypass,
1376 engine, "private key for server cert");
1377
1378 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1379 EVP_PKEY_free(pkey);
1380 goto err;
1381 }
1382 EVP_PKEY_free(pkey);
1383 }
1384 cleanse(opt_srv_keypass);
1385
1386 if (opt_srv_trusted != NULL) {
1387 X509_STORE *ts =
1388 load_certstore(opt_srv_trusted, "certificates trusted by server");
1389
1390 if (ts == NULL)
1391 goto err;
1392 if (!set1_store_parameters(ts)
1393 || !truststore_set_host_etc(ts, NULL)
1394 || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1395 X509_STORE_free(ts);
1396 goto err;
1397 }
1398 } else {
1399 CMP_warn("server will not be able to handle signature-protected requests since -srv_trusted is not given");
1400 }
1401 if (!setup_certs(opt_srv_untrusted, "untrusted certificates", ctx,
1402 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
1403 NULL))
1404 goto err;
1405
1406 if (opt_rsp_cert == NULL) {
1407 CMP_err("must give -rsp_cert for mock server");
1408 goto err;
1409 } else {
1410 X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1411 "cert to be returned by the mock server");
1412
1413 if (cert == NULL)
1414 goto err;
1415 /* from server perspective the server is the client */
1416 if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1417 X509_free(cert);
1418 goto err;
1419 }
1420 X509_free(cert);
1421 }
1422 /* TODO find a cleaner solution not requiring type casts */
1423 if (!setup_certs(opt_rsp_extracerts,
1424 "CMP extra certificates for mock server", srv_ctx,
1425 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut,
1426 NULL))
1427 goto err;
1428 if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1429 (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut,
1430 NULL))
1431 goto err;
1432 (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1433 (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1434 if (opt_grant_implicitconf)
1435 (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1436
1437 if (opt_failure != INT_MIN) { /* option has been set explicity */
1438 if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1439 CMP_err1("-failure out of range, should be >= 0 and <= %d",
1440 OSSL_CMP_PKIFAILUREINFO_MAX);
1441 goto err;
1442 }
1443 if (opt_failurebits != 0)
1444 CMP_warn("-failurebits overrides -failure");
1445 else
1446 opt_failurebits = 1 << opt_failure;
1447 }
1448 if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1449 CMP_err("-failurebits out of range");
1450 goto err;
1451 }
1452 if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1453 opt_failurebits, opt_statusstring))
1454 goto err;
1455
1456 if (opt_send_error)
1457 (void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
1458
1459 if (opt_send_unprotected)
1460 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1461 if (opt_send_unprot_err)
1462 (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1463 if (opt_accept_unprotected)
1464 (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1465 if (opt_accept_unprot_err)
1466 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1467 if (opt_accept_raverified)
1468 (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1469
1470 return srv_ctx;
1471
1472 err:
1473 ossl_cmp_mock_srv_free(srv_ctx);
1474 return NULL;
1475 }
1476
1477 /*
1478 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1479 * Returns pointer on success, NULL on error
1480 */
1481 static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1482 {
1483 if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1484 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
1485 NULL))
1486 goto err;
1487
1488 if (opt_srvcert != NULL || opt_trusted != NULL) {
1489 X509_STORE *ts = NULL;
1490
1491 if (opt_srvcert != NULL) {
1492 X509 *srvcert;
1493
1494 if (opt_trusted != NULL) {
1495 CMP_warn("-trusted option is ignored since -srvcert option is present");
1496 opt_trusted = NULL;
1497 }
1498 if (opt_recipient != NULL) {
1499 CMP_warn("-recipient option is ignored since -srvcert option is present");
1500 opt_recipient = NULL;
1501 }
1502 srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1503 "directly trusted CMP server certificate");
1504 if (srvcert == NULL)
1505 /*
1506 * opt_otherpass is needed in case
1507 * opt_srvcert is an encrypted PKCS#12 file
1508 */
1509 goto err;
1510 if (!OSSL_CMP_CTX_set1_srvCert(ctx, srvcert)) {
1511 X509_free(srvcert);
1512 goto oom;
1513 }
1514 X509_free(srvcert);
1515 if ((ts = X509_STORE_new()) == NULL)
1516 goto oom;
1517 }
1518 if (opt_trusted != NULL
1519 && (ts = load_certstore(opt_trusted, "trusted certificates"))
1520 == NULL)
1521 goto err;
1522 if (!set1_store_parameters(ts) /* also copies vpm */
1523 /*
1524 * clear any expected host/ip/email address;
1525 * opt_expect_sender is used instead
1526 */
1527 || !truststore_set_host_etc(ts, NULL)
1528 || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1529 X509_STORE_free(ts);
1530 goto oom;
1531 }
1532 }
1533
1534 if (opt_ignore_keyusage)
1535 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1536
1537 if (opt_unprotected_errors)
1538 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1539
1540 if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1541 X509_VERIFY_PARAM *out_vpm = NULL;
1542 X509_STORE *out_trusted =
1543 load_certstore(opt_out_trusted,
1544 "trusted certs for verifying newly enrolled cert");
1545
1546 if (out_trusted == NULL)
1547 goto err;
1548 /* any -verify_hostname, -verify_ip, and -verify_email apply here */
1549 if (!set1_store_parameters(out_trusted))
1550 goto oom;
1551 /* ignore any -attime here, new certs are current anyway */
1552 out_vpm = X509_STORE_get0_param(out_trusted);
1553 X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1554
1555 (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1556 }
1557
1558 if (opt_disable_confirm)
1559 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1560
1561 if (opt_implicit_confirm)
1562 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1563
1564 (void)OSSL_CMP_CTX_set_certConf_cb(ctx, OSSL_CMP_certConf_cb);
1565
1566 return 1;
1567
1568 oom:
1569 CMP_err("out of memory");
1570 err:
1571 return 0;
1572 }
1573
1574 #ifndef OPENSSL_NO_SOCK
1575 /*
1576 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1577 * Returns pointer on success, NULL on error
1578 */
1579 static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1580 {
1581 STACK_OF(X509) *untrusted_certs = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
1582 EVP_PKEY *pkey = NULL;
1583 X509_STORE *trust_store = NULL;
1584 SSL_CTX *ssl_ctx;
1585 int i;
1586
1587 ssl_ctx = SSL_CTX_new(TLS_client_method());
1588 if (ssl_ctx == NULL)
1589 return NULL;
1590
1591 SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
1592
1593 if (opt_tls_trusted != NULL) {
1594 if ((trust_store = load_certstore(opt_tls_trusted,
1595 "trusted TLS certificates")) == NULL)
1596 goto err;
1597 SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1598 /* for improved diagnostics on SSL_CTX_build_cert_chain() errors: */
1599 X509_STORE_set_verify_cb(trust_store, X509_STORE_CTX_print_verify_cb);
1600 }
1601
1602 if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1603 X509 *cert;
1604 STACK_OF(X509) *certs = NULL;
1605
1606 if (!load_certs_autofmt(opt_tls_cert, &certs, 0, opt_tls_keypass,
1607 "TLS client certificate (optionally with chain)"))
1608 /*
1609 * opt_tls_keypass is needed in case opt_tls_cert is an encrypted
1610 * PKCS#12 file
1611 */
1612 goto err;
1613
1614 cert = sk_X509_delete(certs, 0);
1615 if (cert == NULL || SSL_CTX_use_certificate(ssl_ctx, cert) <= 0) {
1616 CMP_err1("unable to use client TLS certificate file '%s'",
1617 opt_tls_cert);
1618 X509_free(cert);
1619 sk_X509_pop_free(certs, X509_free);
1620 goto err;
1621 }
1622 X509_free(cert); /* we do not need the handle any more */
1623
1624 /*
1625 * Any further certs and any untrusted certs are used for constructing
1626 * the chain to be provided with the TLS client cert to the TLS server.
1627 */
1628 if (!SSL_CTX_set0_chain(ssl_ctx, certs)) {
1629 CMP_err("could not set TLS client cert chain");
1630 sk_X509_pop_free(certs, X509_free);
1631 goto err;
1632 }
1633 for (i = 0; i < sk_X509_num(untrusted_certs); i++) {
1634 cert = sk_X509_value(untrusted_certs, i);
1635 if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1636 CMP_err("could not add untrusted cert to TLS client cert chain");
1637 goto err;
1638 }
1639 }
1640 if (!SSL_CTX_build_cert_chain(ssl_ctx,
1641 SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1642 SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1643 CMP_warn("could not build cert chain for own TLS cert");
1644 OSSL_CMP_CTX_print_errors(ctx);
1645 }
1646
1647 /* If present we append to the list also the certs from opt_tls_extra */
1648 if (opt_tls_extra != NULL) {
1649 STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1650 opt_otherpass,
1651 "extra certificates for TLS");
1652 int res = 1;
1653
1654 if (tls_extra == NULL)
1655 goto err;
1656 for (i = 0; i < sk_X509_num(tls_extra); i++) {
1657 cert = sk_X509_value(tls_extra, i);
1658 if (res != 0)
1659 res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1660 if (res == 0)
1661 X509_free(cert);
1662 }
1663 sk_X509_free(tls_extra);
1664 if (res == 0) {
1665 BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1666 goto err;
1667 }
1668 }
1669
1670 pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1671 engine, "TLS client private key");
1672 cleanse(opt_tls_keypass);
1673 if (pkey == NULL)
1674 goto err;
1675 /*
1676 * verify the key matches the cert,
1677 * not using SSL_CTX_check_private_key(ssl_ctx)
1678 * because it gives poor and sometimes misleading diagnostics
1679 */
1680 if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1681 pkey)) {
1682 CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1683 opt_tls_key, opt_tls_cert);
1684 EVP_PKEY_free(pkey);
1685 pkey = NULL; /* otherwise, for some reason double free! */
1686 goto err;
1687 }
1688 if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1689 CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1690 EVP_PKEY_free(pkey);
1691 pkey = NULL; /* otherwise, for some reason double free! */
1692 goto err;
1693 }
1694 EVP_PKEY_free(pkey); /* we do not need the handle any more */
1695 }
1696 if (opt_tls_trusted != NULL) {
1697 /* enable and parameterize server hostname/IP address check */
1698 if (!truststore_set_host_etc(trust_store,
1699 opt_tls_host != NULL ?
1700 opt_tls_host : opt_server))
1701 /* TODO: is the server host name correct for TLS via proxy? */
1702 goto err;
1703 SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1704 }
1705 return ssl_ctx;
1706 err:
1707 SSL_CTX_free(ssl_ctx);
1708 return NULL;
1709 }
1710 #endif
1711
1712 /*
1713 * set up protection aspects of OSSL_CMP_CTX based on options from config
1714 * file/CLI while parsing options and checking their consistency.
1715 * Returns 1 on success, 0 on error
1716 */
1717 static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1718 {
1719 if (!opt_unprotected_requests && opt_secret == NULL && opt_cert == NULL) {
1720 CMP_err("must give client credentials unless -unprotected_requests is set");
1721 goto err;
1722 }
1723
1724 if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1725 /* cert or subject should determine the sender */
1726 CMP_err("must give -ref if no -cert and no -subject given");
1727 goto err;
1728 }
1729 if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1730 CMP_err("must give both -cert and -key options or neither");
1731 goto err;
1732 }
1733 if (opt_secret != NULL) {
1734 char *pass_string = get_passwd(opt_secret, "PBMAC");
1735 int res;
1736
1737 if (pass_string != NULL) {
1738 cleanse(opt_secret);
1739 res = OSSL_CMP_CTX_set1_secretValue(ctx,
1740 (unsigned char *)pass_string,
1741 strlen(pass_string));
1742 clear_free(pass_string);
1743 if (res == 0)
1744 goto err;
1745 }
1746 if (opt_cert != NULL || opt_key != NULL)
1747 CMP_warn("no signature-based protection used since -secret is given");
1748 }
1749 if (opt_ref != NULL
1750 && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1751 strlen(opt_ref)))
1752 goto err;
1753
1754 if (opt_key != NULL) {
1755 EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1756 "private key for CMP client certificate");
1757
1758 if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1759 EVP_PKEY_free(pkey);
1760 goto err;
1761 }
1762 EVP_PKEY_free(pkey);
1763 }
1764 if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL) {
1765 CMP_err("missing -secret or -srvcert or -trusted");
1766 goto err;
1767 }
1768
1769 if (opt_cert != NULL) {
1770 X509 *cert;
1771 STACK_OF(X509) *certs = NULL;
1772 int ok;
1773
1774 if (!load_certs_autofmt(opt_cert, &certs, 0, opt_keypass,
1775 "CMP client certificate (and optionally extra certs)"))
1776 /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1777 goto err;
1778
1779 cert = sk_X509_delete(certs, 0);
1780 if (cert == NULL) {
1781 CMP_err("no client certificate found");
1782 sk_X509_pop_free(certs, X509_free);
1783 goto err;
1784 }
1785 ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1786 X509_free(cert);
1787
1788 if (ok) {
1789 /* add any remaining certs to the list of untrusted certs */
1790 STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
1791 ok = untrusted != NULL ?
1792 sk_X509_add1_certs(untrusted, certs, 0, 1 /* no dups */, 0) :
1793 OSSL_CMP_CTX_set1_untrusted_certs(ctx, certs);
1794 }
1795 sk_X509_pop_free(certs, X509_free);
1796 if (!ok)
1797 goto oom;
1798 }
1799
1800 if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1801 (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut,
1802 NULL))
1803 goto err;
1804 cleanse(opt_otherpass);
1805
1806 if (opt_unprotected_requests)
1807 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1808
1809 if (opt_digest != NULL) {
1810 int digest = OBJ_ln2nid(opt_digest);
1811
1812 if (digest == NID_undef) {
1813 CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1814 goto err;
1815 }
1816 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest);
1817 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest);
1818 }
1819
1820 if (opt_mac != NULL) {
1821 int mac = OBJ_ln2nid(opt_mac);
1822 if (mac == NID_undef) {
1823 CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1824 goto err;
1825 }
1826 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1827 }
1828 return 1;
1829
1830 oom:
1831 CMP_err("out of memory");
1832 err:
1833 return 0;
1834 }
1835
1836 /*
1837 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1838 * based on options from config file/CLI.
1839 * Returns pointer on success, NULL on error
1840 */
1841 static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1842 {
1843 if (opt_subject == NULL && opt_oldcert == NULL && opt_cert == NULL)
1844 CMP_warn("no -subject given, neither -oldcert nor -cert available as default");
1845 if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1846 || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1847 goto err;
1848
1849 if (opt_newkey != NULL) {
1850 const char *file = opt_newkey;
1851 const int format = opt_keyform;
1852 const char *pass = opt_newkeypass;
1853 const char *desc = "new private or public key for cert to be enrolled";
1854 EVP_PKEY *pkey = load_key_pwd(file, format, pass, engine, NULL);
1855 int priv = 1;
1856
1857 if (pkey == NULL) {
1858 ERR_clear_error();
1859 pkey = load_pubkey(file, format, 0, pass, engine, desc);
1860 priv = 0;
1861 }
1862 cleanse(opt_newkeypass);
1863 if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1864 EVP_PKEY_free(pkey);
1865 goto err;
1866 }
1867 }
1868
1869 if (opt_days > 0
1870 && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1871 opt_days)) {
1872 CMP_err("could to set requested cert validity period");
1873 goto err;
1874 }
1875
1876 if (opt_policies != NULL && opt_policy_oids != NULL) {
1877 CMP_err("cannot have policies both via -policies and via -policy_oids");
1878 goto err;
1879 }
1880
1881 if (opt_reqexts != NULL || opt_policies != NULL) {
1882 X509V3_CTX ext_ctx;
1883 X509_EXTENSIONS *exts = sk_X509_EXTENSION_new_null();
1884
1885 if (exts == NULL)
1886 goto err;
1887 X509V3_set_ctx(&ext_ctx, NULL, NULL, NULL, NULL, 0);
1888 X509V3_set_nconf(&ext_ctx, conf);
1889 if (opt_reqexts != NULL
1890 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1891 CMP_err1("cannot load certificate request extension section '%s'",
1892 opt_reqexts);
1893 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1894 goto err;
1895 }
1896 if (opt_policies != NULL
1897 && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1898 CMP_err1("cannot load policy cert request extension section '%s'",
1899 opt_policies);
1900 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1901 goto err;
1902 }
1903 OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1904 }
1905 if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1906 CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1907 goto err;
1908 }
1909
1910 if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1911 goto err;
1912
1913 if (opt_san_nodefault) {
1914 if (opt_sans != NULL)
1915 CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1916 (void)OSSL_CMP_CTX_set_option(ctx,
1917 OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1918 }
1919
1920 if (opt_policy_oids_critical) {
1921 if (opt_policy_oids == NULL)
1922 CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1923 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1924 }
1925
1926 while (opt_policy_oids != NULL) {
1927 ASN1_OBJECT *policy;
1928 POLICYINFO *pinfo;
1929 char *next = next_item(opt_policy_oids);
1930
1931 if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1932 CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1933 goto err;
1934 }
1935
1936 if ((pinfo = POLICYINFO_new()) == NULL) {
1937 ASN1_OBJECT_free(policy);
1938 goto err;
1939 }
1940 pinfo->policyid = policy;
1941
1942 if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1943 CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1944 POLICYINFO_free(pinfo);
1945 goto err;
1946 }
1947 opt_policy_oids = next;
1948 }
1949
1950 if (opt_popo >= OSSL_CRMF_POPO_NONE)
1951 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1952
1953 if (opt_csr != NULL) {
1954 if (opt_cmd != CMP_P10CR) {
1955 CMP_warn("-csr option is ignored for command other than p10cr");
1956 } else {
1957 X509_REQ *csr =
1958 load_csr_autofmt(opt_csr, "PKCS#10 CSR for p10cr");
1959
1960 if (csr == NULL)
1961 goto err;
1962 if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr)) {
1963 X509_REQ_free(csr);
1964 goto oom;
1965 }
1966 X509_REQ_free(csr);
1967 }
1968 }
1969
1970 if (opt_oldcert != NULL) {
1971 X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1972 "certificate to be updated/revoked");
1973 /* opt_keypass is needed if opt_oldcert is an encrypted PKCS#12 file */
1974
1975 if (oldcert == NULL)
1976 goto err;
1977 if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1978 X509_free(oldcert);
1979 goto oom;
1980 }
1981 X509_free(oldcert);
1982 }
1983 cleanse(opt_keypass);
1984 if (opt_revreason > CRL_REASON_NONE)
1985 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1986 opt_revreason);
1987
1988 return 1;
1989
1990 oom:
1991 CMP_err("out of memory");
1992 err:
1993 return 0;
1994 }
1995
1996 static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1997 {
1998 long value;
1999 ASN1_OBJECT *type;
2000 ASN1_INTEGER *aint;
2001 ASN1_TYPE *val;
2002 OSSL_CMP_ITAV *itav;
2003 char *endstr;
2004 char *valptr = strchr(opt_geninfo, ':');
2005
2006 if (valptr == NULL) {
2007 CMP_err("missing ':' in -geninfo option");
2008 return 0;
2009 }
2010 valptr[0] = '\0';
2011 valptr++;
2012
2013 if (strncasecmp(valptr, "int:", 4) != 0) {
2014 CMP_err("missing 'int:' in -geninfo option");
2015 return 0;
2016 }
2017 valptr += 4;
2018
2019 value = strtol(valptr, &endstr, 10);
2020 if (endstr == valptr || *endstr != '\0') {
2021 CMP_err("cannot parse int in -geninfo option");
2022 return 0;
2023 }
2024
2025 type = OBJ_txt2obj(opt_geninfo, 1);
2026 if (type == NULL) {
2027 CMP_err("cannot parse OID in -geninfo option");
2028 return 0;
2029 }
2030
2031 if ((aint = ASN1_INTEGER_new()) == NULL)
2032 goto oom;
2033
2034 val = ASN1_TYPE_new();
2035 if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
2036 ASN1_INTEGER_free(aint);
2037 goto oom;
2038 }
2039 ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
2040 itav = OSSL_CMP_ITAV_create(type, val);
2041 if (itav == NULL) {
2042 ASN1_TYPE_free(val);
2043 goto oom;
2044 }
2045
2046 if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
2047 OSSL_CMP_ITAV_free(itav);
2048 return 0;
2049 }
2050 return 1;
2051
2052 oom:
2053 ASN1_OBJECT_free(type);
2054 CMP_err("out of memory");
2055 return 0;
2056 }
2057
2058
2059 /*
2060 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
2061 * while parsing options and checking their consistency.
2062 * Prints reason for error to bio_err.
2063 * Returns 1 on success, 0 on error
2064 */
2065 static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
2066 {
2067 int ret = 0;
2068 char server_buf[200] = { '\0' };
2069 char proxy_buf[200] = { '\0' };
2070 char *proxy_host = NULL;
2071 char *proxy_port_str = NULL;
2072
2073 if (opt_server == NULL) {
2074 CMP_err("missing server address[:port]");
2075 goto err;
2076 } else if ((server_port =
2077 parse_addr(&opt_server, server_port, "server")) < 0) {
2078 goto err;
2079 }
2080 if (server_port != 0)
2081 BIO_snprintf(server_port_s, sizeof(server_port_s), "%d", server_port);
2082 if (!OSSL_CMP_CTX_set1_server(ctx, opt_server)
2083 || !OSSL_CMP_CTX_set_serverPort(ctx, server_port)
2084 || !OSSL_CMP_CTX_set1_serverPath(ctx, opt_path))
2085 goto oom;
2086 if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
2087 goto oom;
2088 if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
2089 goto oom;
2090 (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s%s%s/%s",
2091 opt_tls_used ? "s" : "", opt_server,
2092 server_port == 0 ? "" : ":", server_port_s,
2093 opt_path == NULL ? "" :
2094 opt_path[0] == '/' ? opt_path + 1 : opt_path);
2095
2096 if (opt_proxy != NULL)
2097 (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", opt_proxy);
2098
2099 if (!transform_opts())
2100 goto err;
2101
2102 if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
2103 if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
2104 CMP_err("missing -newkey (or -key) to be certified");
2105 goto err;
2106 }
2107 if (opt_certout == NULL) {
2108 CMP_err("-certout not given, nowhere to save certificate");
2109 goto err;
2110 }
2111 }
2112 if (opt_cmd == CMP_KUR) {
2113 char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
2114
2115 if (ref_cert == NULL) {
2116 CMP_err("missing -oldcert option for certificate to be updated");
2117 goto err;
2118 }
2119 if (opt_subject != NULL)
2120 CMP_warn2("-subject '%s' given, which overrides the subject of '%s' in KUR",
2121 opt_subject, ref_cert);
2122 }
2123 if (opt_cmd == CMP_RR && opt_oldcert == NULL) {
2124 CMP_err("missing certificate to be revoked");
2125 goto err;
2126 }
2127 if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
2128 CMP_err("missing PKCS#10 CSR for p10cr");
2129 goto err;
2130 }
2131
2132 if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
2133 && opt_oldcert == NULL && opt_cert == NULL)
2134 CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
2135
2136 if (opt_infotype_s != NULL) {
2137 char id_buf[100] = "id-it-";
2138
2139 strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
2140 if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
2141 CMP_err("unknown OID name in -infotype option");
2142 goto err;
2143 }
2144 }
2145
2146 if (!setup_verification_ctx(ctx))
2147 goto err;
2148
2149 if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
2150 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
2151 opt_msg_timeout);
2152 if (opt_total_timeout >= 0)
2153 (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
2154 opt_total_timeout);
2155
2156 if (opt_reqin != NULL && opt_rspin != NULL)
2157 CMP_warn("-reqin is ignored since -rspin is present");
2158 if (opt_reqin_new_tid && opt_reqin == NULL)
2159 CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
2160 if (opt_reqin != NULL || opt_reqout != NULL
2161 || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
2162 (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
2163
2164 if ((opt_tls_cert != NULL || opt_tls_key != NULL
2165 || opt_tls_keypass != NULL || opt_tls_extra != NULL
2166 || opt_tls_trusted != NULL || opt_tls_host != NULL)
2167 && !opt_tls_used)
2168 CMP_warn("TLS options(s) given but not -tls_used");
2169 if (opt_tls_used) {
2170 #ifdef OPENSSL_NO_SOCK
2171 BIO_printf(bio_err, "Cannot use TLS - sockets not supported\n");
2172 goto err;
2173 #else
2174 APP_HTTP_TLS_INFO *info;
2175
2176 if (opt_tls_cert != NULL
2177 || opt_tls_key != NULL || opt_tls_keypass != NULL) {
2178 if (opt_tls_key == NULL) {
2179 CMP_err("missing -tls_key option");
2180 goto err;
2181 } else if (opt_tls_cert == NULL) {
2182 CMP_err("missing -tls_cert option");
2183 goto err;
2184 }
2185 }
2186 if (opt_use_mock_srv) {
2187 CMP_err("cannot use TLS options together with -use_mock_srv");
2188 goto err;
2189 }
2190 if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
2191 goto err;
2192 (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
2193 /* info will be freed along with CMP ctx */
2194 info->server = opt_server;
2195 info->port = server_port_s;
2196 info->use_proxy = opt_proxy != NULL;
2197 info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
2198 info->ssl_ctx = setup_ssl_ctx(ctx, engine);
2199 if (info->ssl_ctx == NULL)
2200 goto err;
2201 (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
2202 #endif
2203 }
2204
2205 if (!setup_protection_ctx(ctx, engine))
2206 goto err;
2207
2208 if (!setup_request_ctx(ctx, engine))
2209 goto err;
2210
2211 if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
2212 || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
2213 ctx, "expected sender"))
2214 goto err;
2215
2216 if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
2217 goto err;
2218
2219 /* not printing earlier, to minimize confusion in case setup fails before */
2220 CMP_info2("will contact %s%s", server_buf, proxy_buf);
2221
2222 ret = 1;
2223
2224 err:
2225 OPENSSL_free(proxy_host);
2226 OPENSSL_free(proxy_port_str);
2227 return ret;
2228 oom:
2229 CMP_err("out of memory");
2230 goto err;
2231 }
2232
2233 /*
2234 * write out the given certificate to the output specified by bio.
2235 * Depending on options use either PEM or DER format.
2236 * Returns 1 on success, 0 on error
2237 */
2238 static int write_cert(BIO *bio, X509 *cert)
2239 {
2240 if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
2241 || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
2242 return 1;
2243 if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
2244 BIO_printf(bio_err,
2245 "error: unsupported type '%s' for writing certificates\n",
2246 opt_certform_s);
2247 return 0;
2248 }
2249
2250 /*
2251 * writes out a stack of certs to the given file.
2252 * Depending on options use either PEM or DER format,
2253 * where DER does not make much sense for writing more than one cert!
2254 * Returns number of written certificates on success, 0 on error.
2255 */
2256 static int save_certs(OSSL_CMP_CTX *ctx,
2257 STACK_OF(X509) *certs, char *destFile, char *desc)
2258 {
2259 BIO *bio = NULL;
2260 int i;
2261 int n = sk_X509_num(certs);
2262
2263 CMP_info3("received %d %s certificate(s), saving to file '%s'",
2264 n, desc, destFile);
2265 if (n > 1 && opt_certform != FORMAT_PEM)
2266 CMP_warn("saving more than one certificate in non-PEM format");
2267
2268 if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
2269 || !BIO_write_filename(bio, (char *)destFile)) {
2270 CMP_err1("could not open file '%s' for writing", destFile);
2271 n = -1;
2272 goto err;
2273 }
2274
2275 for (i = 0; i < n; i++) {
2276 if (!write_cert(bio, sk_X509_value(certs, i))) {
2277 CMP_err1("cannot write certificate to file '%s'", destFile);
2278 n = -1;
2279 goto err;
2280 }
2281 }
2282
2283 err:
2284 BIO_free(bio);
2285 return n;
2286 }
2287
2288 static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
2289 {
2290 OSSL_CMP_ITAV *itav = NULL;
2291 char buf[128];
2292 int i;
2293 int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
2294
2295 if (n == 0) {
2296 CMP_info("genp contains no ITAV");
2297 return;
2298 }
2299
2300 for (i = 0; i < n; i++) {
2301 itav = sk_OSSL_CMP_ITAV_value(itavs, i);
2302 OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
2303 CMP_info1("genp contains ITAV of type: %s", buf);
2304 }
2305 }
2306
2307 static char opt_item[SECTION_NAME_MAX + 1];
2308 /* get previous name from a comma-separated list of names */
2309 static const char *prev_item(const char *opt, const char *end)
2310 {
2311 const char *beg;
2312 size_t len;
2313
2314 if (end == opt)
2315 return NULL;
2316 beg = end;
2317 while (beg != opt && beg[-1] != ',' && !isspace(beg[-1]))
2318 beg--;
2319 len = end - beg;
2320 if (len > SECTION_NAME_MAX)
2321 len = SECTION_NAME_MAX;
2322 strncpy(opt_item, beg, len);
2323 opt_item[SECTION_NAME_MAX] = '\0'; /* avoid gcc v8 O3 stringop-truncation */
2324 opt_item[len] = '\0';
2325 if (len > SECTION_NAME_MAX)
2326 CMP_warn2("using only first %d characters of section name starting with \"%s\"",
2327 SECTION_NAME_MAX, opt_item);
2328 while (beg != opt && (beg[-1] == ',' || isspace(beg[-1])))
2329 beg--;
2330 return beg;
2331 }
2332
2333 /* get str value for name from a comma-separated hierarchy of config sections */
2334 static char *conf_get_string(const CONF *src_conf, const char *groups,
2335 const char *name)
2336 {
2337 char *res = NULL;
2338 const char *end = groups + strlen(groups);
2339
2340 while ((end = prev_item(groups, end)) != NULL) {
2341 if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2342 return res;
2343 }
2344 return res;
2345 }
2346
2347 /* get long val for name from a comma-separated hierarchy of config sections */
2348 static int conf_get_number_e(const CONF *conf_, const char *groups,
2349 const char *name, long *result)
2350 {
2351 char *str = conf_get_string(conf_, groups, name);
2352 char *tailptr;
2353 long res;
2354
2355 if (str == NULL || *str == '\0')
2356 return 0;
2357
2358 res = strtol(str, &tailptr, 10);
2359 if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2360 return 0;
2361
2362 *result = res;
2363 return 1;
2364 }
2365
2366 /*
2367 * use the command line option table to read values from the CMP section
2368 * of openssl.cnf. Defaults are taken from the config file, they can be
2369 * overwritten on the command line.
2370 */
2371 static int read_config(void)
2372 {
2373 unsigned int i;
2374 long num = 0;
2375 char *txt = NULL;
2376 const OPTIONS *opt;
2377 int provider_option;
2378 int verification_option;
2379
2380 /*
2381 * starting with offset OPT_SECTION because OPT_CONFIG and OPT_SECTION would
2382 * not make sense within the config file. They have already been handled.
2383 */
2384 for (i = OPT_SECTION - OPT_HELP, opt = &cmp_options[OPT_SECTION];
2385 opt->name; i++, opt++) {
2386 if (!strcmp(opt->name, OPT_SECTION_STR)
2387 || !strcmp(opt->name, OPT_MORE_STR)) {
2388 i--;
2389 continue;
2390 }
2391 provider_option = (OPT_PROV__FIRST <= opt->retval
2392 && opt->retval < OPT_PROV__LAST);
2393 verification_option = (OPT_V__FIRST <= opt->retval
2394 && opt->retval < OPT_V__LAST);
2395 if (provider_option || verification_option)
2396 i--;
2397 if (cmp_vars[i].txt == NULL) {
2398 CMP_err1("internal: cmp_vars array too short, i=%d", i);
2399 return 0;
2400 }
2401 switch (opt->valtype) {
2402 case '-':
2403 case 'n':
2404 case 'l':
2405 if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2406 ERR_clear_error();
2407 continue; /* option not provided */
2408 }
2409 break;
2410 /*
2411 * do not use '<' in cmp_options. Incorrect treatment
2412 * somewhere in args_verify() can wrongly set badarg = 1
2413 */
2414 case '<':
2415 case 's':
2416 case 'M':
2417 txt = conf_get_string(conf, opt_section, opt->name);
2418 if (txt == NULL) {
2419 ERR_clear_error();
2420 continue; /* option not provided */
2421 }
2422 break;
2423 default:
2424 CMP_err2("internal: unsupported type '%c' for option '%s'",
2425 opt->valtype, opt->name);
2426 return 0;
2427 break;
2428 }
2429 if (provider_option || verification_option) {
2430 int conf_argc = 1;
2431 char *conf_argv[3];
2432 char arg1[82];
2433
2434 BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2435 conf_argv[0] = prog;
2436 conf_argv[1] = arg1;
2437 if (opt->valtype == '-') {
2438 if (num != 0)
2439 conf_argc = 2;
2440 } else {
2441 conf_argc = 3;
2442 conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2443 /* not NULL */
2444 }
2445 if (conf_argc > 1) {
2446 (void)opt_init(conf_argc, conf_argv, cmp_options);
2447
2448 if (provider_option
2449 ? !opt_provider(opt_next())
2450 : !opt_verify(opt_next(), vpm)) {
2451 CMP_err2("for option '%s' in config file section '%s'",
2452 opt->name, opt_section);
2453 return 0;
2454 }
2455 }
2456 } else {
2457 switch (opt->valtype) {
2458 case '-':
2459 case 'n':
2460 if (num < INT_MIN || INT_MAX < num) {
2461 BIO_printf(bio_err,
2462 "integer value out of range for option '%s'\n",
2463 opt->name);
2464 return 0;
2465 }
2466 *cmp_vars[i].num = (int)num;
2467 break;
2468 case 'l':
2469 *cmp_vars[i].num_long = num;
2470 break;
2471 default:
2472 if (txt != NULL && txt[0] == '\0')
2473 txt = NULL; /* reset option on empty string input */
2474 *cmp_vars[i].txt = txt;
2475 break;
2476 }
2477 }
2478 }
2479
2480 return 1;
2481 }
2482
2483 static char *opt_str(char *opt)
2484 {
2485 char *arg = opt_arg();
2486
2487 if (arg[0] == '\0') {
2488 CMP_warn1("argument of -%s option is empty string, resetting option",
2489 opt);
2490 arg = NULL;
2491 } else if (arg[0] == '-') {
2492 CMP_warn1("argument of -%s option starts with hyphen", opt);
2493 }
2494 return arg;
2495 }
2496
2497 static int opt_nat(void)
2498 {
2499 int result = -1;
2500
2501 if (opt_int(opt_arg(), &result) && result < 0)
2502 BIO_printf(bio_err, "error: argument '%s' must not be negative\n",
2503 opt_arg());
2504 return result;
2505 }
2506
2507 /* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
2508 static int get_opts(int argc, char **argv)
2509 {
2510 OPTION_CHOICE o;
2511
2512 prog = opt_init(argc, argv, cmp_options);
2513
2514 while ((o = opt_next()) != OPT_EOF) {
2515 switch (o) {
2516 case OPT_EOF:
2517 case OPT_ERR:
2518 goto opt_err;
2519 case OPT_HELP:
2520 opt_help(cmp_options);
2521 return -1;
2522 case OPT_CONFIG: /* has already been handled */
2523 break;
2524 case OPT_SECTION: /* has already been handled */
2525 break;
2526 case OPT_SERVER:
2527 opt_server = opt_str("server");
2528 break;
2529 case OPT_PROXY:
2530 opt_proxy = opt_str("proxy");
2531 break;
2532 case OPT_NO_PROXY:
2533 opt_no_proxy = opt_str("no_proxy");
2534 break;
2535 case OPT_PATH:
2536 opt_path = opt_str("path");
2537 break;
2538 case OPT_MSG_TIMEOUT:
2539 if ((opt_msg_timeout = opt_nat()) < 0)
2540 goto opt_err;
2541 break;
2542 case OPT_TOTAL_TIMEOUT:
2543 if ((opt_total_timeout = opt_nat()) < 0)
2544 goto opt_err;
2545 break;
2546 case OPT_TLS_USED:
2547 opt_tls_used = 1;
2548 break;
2549 case OPT_TLS_CERT:
2550 opt_tls_cert = opt_str("tls_cert");
2551 break;
2552 case OPT_TLS_KEY:
2553 opt_tls_key = opt_str("tls_key");
2554 break;
2555 case OPT_TLS_KEYPASS:
2556 opt_tls_keypass = opt_str("tls_keypass");
2557 break;
2558 case OPT_TLS_EXTRA:
2559 opt_tls_extra = opt_str("tls_extra");
2560 break;
2561 case OPT_TLS_TRUSTED:
2562 opt_tls_trusted = opt_str("tls_trusted");
2563 break;
2564 case OPT_TLS_HOST:
2565 opt_tls_host = opt_str("tls_host");
2566 break;
2567 case OPT_REF:
2568 opt_ref = opt_str("ref");
2569 break;
2570 case OPT_SECRET:
2571 opt_secret = opt_str("secret");
2572 break;
2573 case OPT_CERT:
2574 opt_cert = opt_str("cert");
2575 break;
2576 case OPT_KEY:
2577 opt_key = opt_str("key");
2578 break;
2579 case OPT_KEYPASS:
2580 opt_keypass = opt_str("keypass");
2581 break;
2582 case OPT_DIGEST:
2583 opt_digest = opt_str("digest");
2584 break;
2585 case OPT_MAC:
2586 opt_mac = opt_str("mac");
2587 break;
2588 case OPT_EXTRACERTS:
2589 opt_extracerts = opt_str("extracerts");
2590 break;
2591 case OPT_UNPROTECTED_REQUESTS:
2592 opt_unprotected_requests = 1;
2593 break;
2594
2595 case OPT_TRUSTED:
2596 opt_trusted = opt_str("trusted");
2597 break;
2598 case OPT_UNTRUSTED:
2599 opt_untrusted = opt_str("untrusted");
2600 break;
2601 case OPT_SRVCERT:
2602 opt_srvcert = opt_str("srvcert");
2603 break;
2604 case OPT_RECIPIENT:
2605 opt_recipient = opt_str("recipient");
2606 break;
2607 case OPT_EXPECT_SENDER:
2608 opt_expect_sender = opt_str("expect_sender");
2609 break;
2610 case OPT_IGNORE_KEYUSAGE:
2611 opt_ignore_keyusage = 1;
2612 break;
2613 case OPT_UNPROTECTED_ERRORS:
2614 opt_unprotected_errors = 1;
2615 break;
2616 case OPT_EXTRACERTSOUT:
2617 opt_extracertsout = opt_str("extracertsout");
2618 break;
2619 case OPT_CACERTSOUT:
2620 opt_cacertsout = opt_str("cacertsout");
2621 break;
2622
2623 case OPT_V_CASES:
2624 if (!opt_verify(o, vpm))
2625 goto opt_err;
2626 break;
2627 case OPT_CMD:
2628 opt_cmd_s = opt_str("cmd");
2629 break;
2630 case OPT_INFOTYPE:
2631 opt_infotype_s = opt_str("infotype");
2632 break;
2633 case OPT_GENINFO:
2634 opt_geninfo = opt_str("geninfo");
2635 break;
2636
2637 case OPT_NEWKEY:
2638 opt_newkey = opt_str("newkey");
2639 break;
2640 case OPT_NEWKEYPASS:
2641 opt_newkeypass = opt_str("newkeypass");
2642 break;
2643 case OPT_SUBJECT:
2644 opt_subject = opt_str("subject");
2645 break;
2646 case OPT_ISSUER:
2647 opt_issuer = opt_str("issuer");
2648 break;
2649 case OPT_DAYS:
2650 if ((opt_days = opt_nat()) < 0)
2651 goto opt_err;
2652 break;
2653 case OPT_REQEXTS:
2654 opt_reqexts = opt_str("reqexts");
2655 break;
2656 case OPT_SANS:
2657 opt_sans = opt_str("sans");
2658 break;
2659 case OPT_SAN_NODEFAULT:
2660 opt_san_nodefault = 1;
2661 break;
2662 case OPT_POLICIES:
2663 opt_policies = opt_str("policies");
2664 break;
2665 case OPT_POLICY_OIDS:
2666 opt_policy_oids = opt_str("policy_oids");
2667 break;
2668 case OPT_POLICY_OIDS_CRITICAL:
2669 opt_policy_oids_critical = 1;
2670 break;
2671 case OPT_POPO:
2672 if (!opt_int(opt_arg(), &opt_popo)
2673 || opt_popo < OSSL_CRMF_POPO_NONE
2674 || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2675 CMP_err("invalid popo spec. Valid values are -1 .. 2");
2676 goto opt_err;
2677 }
2678 break;
2679 case OPT_CSR:
2680 opt_csr = opt_arg();
2681 break;
2682 case OPT_OUT_TRUSTED:
2683 opt_out_trusted = opt_str("out_trusted");
2684 break;
2685 case OPT_IMPLICIT_CONFIRM:
2686 opt_implicit_confirm = 1;
2687 break;
2688 case OPT_DISABLE_CONFIRM:
2689 opt_disable_confirm = 1;
2690 break;
2691 case OPT_CERTOUT:
2692 opt_certout = opt_str("certout");
2693 break;
2694 case OPT_OLDCERT:
2695 opt_oldcert = opt_str("oldcert");
2696 break;
2697 case OPT_REVREASON:
2698 if (!opt_int(opt_arg(), &opt_revreason)
2699 || opt_revreason < CRL_REASON_NONE
2700 || opt_revreason > CRL_REASON_AA_COMPROMISE
2701 || opt_revreason == 7) {
2702 CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2703 goto opt_err;
2704 }
2705 break;
2706 case OPT_CERTFORM:
2707 opt_certform_s = opt_str("certform");
2708 break;
2709 case OPT_KEYFORM:
2710 opt_keyform_s = opt_str("keyform");
2711 break;
2712 case OPT_CERTSFORM:
2713 opt_certsform_s = opt_str("certsform");
2714 break;
2715 case OPT_OTHERPASS:
2716 opt_otherpass = opt_str("otherpass");
2717 break;
2718 #ifndef OPENSSL_NO_ENGINE
2719 case OPT_ENGINE:
2720 opt_engine = opt_str("engine");
2721 break;
2722 #endif
2723 case OPT_PROV_CASES:
2724 if (!opt_provider(o))
2725 goto opt_err;
2726 break;
2727
2728 case OPT_BATCH:
2729 opt_batch = 1;
2730 break;
2731 case OPT_REPEAT:
2732 opt_repeat = opt_nat();
2733 break;
2734 case OPT_REQIN:
2735 opt_reqin = opt_str("reqin");
2736 break;
2737 case OPT_REQIN_NEW_TID:
2738 opt_reqin_new_tid = 1;
2739 break;
2740 case OPT_REQOUT:
2741 opt_reqout = opt_str("reqout");
2742 break;
2743 case OPT_RSPIN:
2744 opt_rspin = opt_str("rspin");
2745 break;
2746 case OPT_RSPOUT:
2747 opt_rspout = opt_str("rspout");
2748 break;
2749 case OPT_USE_MOCK_SRV:
2750 opt_use_mock_srv = 1;
2751 break;
2752 case OPT_PORT:
2753 opt_port = opt_str("port");
2754 break;
2755 case OPT_MAX_MSGS:
2756 if ((opt_max_msgs = opt_nat()) < 0)
2757 goto opt_err;
2758 break;
2759 case OPT_SRV_REF:
2760 opt_srv_ref = opt_str("srv_ref");
2761 break;
2762 case OPT_SRV_SECRET:
2763 opt_srv_secret = opt_str("srv_secret");
2764 break;
2765 case OPT_SRV_CERT:
2766 opt_srv_cert = opt_str("srv_cert");
2767 break;
2768 case OPT_SRV_KEY:
2769 opt_srv_key = opt_str("srv_key");
2770 break;
2771 case OPT_SRV_KEYPASS:
2772 opt_srv_keypass = opt_str("srv_keypass");
2773 break;
2774 case OPT_SRV_TRUSTED:
2775 opt_srv_trusted = opt_str("srv_trusted");
2776 break;
2777 case OPT_SRV_UNTRUSTED:
2778 opt_srv_untrusted = opt_str("srv_untrusted");
2779 break;
2780 case OPT_RSP_CERT:
2781 opt_rsp_cert = opt_str("rsp_cert");
2782 break;
2783 case OPT_RSP_EXTRACERTS:
2784 opt_rsp_extracerts = opt_str("rsp_extracerts");
2785 break;
2786 case OPT_RSP_CAPUBS:
2787 opt_rsp_capubs = opt_str("rsp_capubs");
2788 break;
2789 case OPT_POLL_COUNT:
2790 opt_poll_count = opt_nat();
2791 break;
2792 case OPT_CHECK_AFTER:
2793 opt_check_after = opt_nat();
2794 break;
2795 case OPT_GRANT_IMPLICITCONF:
2796 opt_grant_implicitconf = 1;
2797 break;
2798 case OPT_PKISTATUS:
2799 opt_pkistatus = opt_nat();
2800 break;
2801 case OPT_FAILURE:
2802 opt_failure = opt_nat();
2803 break;
2804 case OPT_FAILUREBITS:
2805 opt_failurebits = opt_nat();
2806 break;
2807 case OPT_STATUSSTRING:
2808 opt_statusstring = opt_str("statusstring");
2809 break;
2810 case OPT_SEND_ERROR:
2811 opt_send_error = 1;
2812 break;
2813 case OPT_SEND_UNPROTECTED:
2814 opt_send_unprotected = 1;
2815 break;
2816 case OPT_SEND_UNPROT_ERR:
2817 opt_send_unprot_err = 1;
2818 break;
2819 case OPT_ACCEPT_UNPROTECTED:
2820 opt_accept_unprotected = 1;
2821 break;
2822 case OPT_ACCEPT_UNPROT_ERR:
2823 opt_accept_unprot_err = 1;
2824 break;
2825 case OPT_ACCEPT_RAVERIFIED:
2826 opt_accept_raverified = 1;
2827 break;
2828 }
2829 }
2830 argc = opt_num_rest();
2831 argv = opt_rest();
2832 if (argc != 0) {
2833 CMP_err1("unknown parameter %s", argv[0]);
2834 goto opt_err;
2835 }
2836 return 1;
2837
2838 opt_err:
2839 CMP_err1("use -help for summary of '%s' options", prog);
2840 return 0;
2841 }
2842
2843 int cmp_main(int argc, char **argv)
2844 {
2845 char *configfile = NULL;
2846 int i;
2847 X509 *newcert = NULL;
2848 ENGINE *engine = NULL;
2849 char mock_server[] = "mock server:1";
2850 int ret = 0; /* default: failure */
2851
2852 if (argc <= 1) {
2853 opt_help(cmp_options);
2854 goto err;
2855 }
2856
2857 /*
2858 * handle OPT_CONFIG and OPT_SECTION upfront to take effect for other opts
2859 */
2860 for (i = 1; i < argc - 1; i++) {
2861 if (*argv[i] == '-') {
2862 if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2863 opt_config = argv[i + 1];
2864 else if (!strcmp(argv[i] + 1,
2865 cmp_options[OPT_SECTION - OPT_HELP].name))
2866 opt_section = argv[i + 1];
2867 }
2868 }
2869 if (opt_section[0] == '\0') /* empty string */
2870 opt_section = DEFAULT_SECTION;
2871
2872 vpm = X509_VERIFY_PARAM_new();
2873 if (vpm == NULL) {
2874 CMP_err("out of memory");
2875 goto err;
2876 }
2877
2878 /* read default values for options from config file */
2879 configfile = opt_config != NULL ? opt_config : default_config_file;
2880 if (configfile && configfile[0] != '\0' /* non-empty string */
2881 && (configfile != default_config_file
2882 || access(configfile, F_OK) != -1)) {
2883 CMP_info1("using OpenSSL configuration file '%s'", configfile);
2884 conf = app_load_config(configfile);
2885 if (conf == NULL) {
2886 goto err;
2887 } else {
2888 if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2889 if (!NCONF_get_section(conf, opt_section))
2890 CMP_info2("no [%s] section found in config file '%s';"
2891 " will thus use just [default] and unnamed section if present",
2892 opt_section, configfile);
2893 } else {
2894 const char *end = opt_section + strlen(opt_section);
2895 while ((end = prev_item(opt_section, end)) != NULL) {
2896 if (!NCONF_get_section(conf, opt_item)) {
2897 CMP_err2("no [%s] section found in config file '%s'",
2898 opt_item, configfile);
2899 goto err;
2900 }
2901 }
2902 }
2903 if (!read_config())
2904 goto err;
2905 }
2906 }
2907 (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2908
2909 ret = get_opts(argc, argv);
2910 if (ret <= 0)
2911 goto err;
2912 ret = 0;
2913
2914 if (opt_batch) {
2915 UI_METHOD *ui_fallback_method;
2916 #ifndef OPENSSL_NO_UI_CONSOLE
2917 ui_fallback_method = UI_OpenSSL();
2918 #else
2919 ui_fallback_method = (UI_METHOD *)UI_null();
2920 #endif
2921 UI_method_set_reader(ui_fallback_method, NULL);
2922 }
2923
2924 if (opt_engine != NULL)
2925 engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
2926
2927 if (opt_port != NULL) {
2928 if (opt_use_mock_srv) {
2929 CMP_err("cannot use both -port and -use_mock_srv options");
2930 goto err;
2931 }
2932 if (opt_server != NULL) {
2933 CMP_err("cannot use both -port and -server options");
2934 goto err;
2935 }
2936 }
2937
2938 if ((cmp_ctx = OSSL_CMP_CTX_new()) == NULL) {
2939 CMP_err("out of memory");
2940 goto err;
2941 }
2942 if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2943 CMP_err1("cannot set up error reporting and logging for %s", prog);
2944 goto err;
2945 }
2946 if ((opt_use_mock_srv || opt_port != NULL)) {
2947 OSSL_CMP_SRV_CTX *srv_ctx;
2948
2949 if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2950 goto err;
2951 OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2952 if (!OSSL_CMP_CTX_set_log_cb(OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx),
2953 print_to_bio_out)) {
2954 CMP_err1("cannot set up error reporting and logging for %s", prog);
2955 goto err;
2956 }
2957 }
2958
2959
2960 if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2961 #ifdef OPENSSL_NO_SOCK
2962 BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
2963 #else
2964 BIO *acbio;
2965 BIO *cbio = NULL;
2966 int msgs = 0;
2967
2968 if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
2969 goto err;
2970 while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2971 char *path = NULL;
2972 OSSL_CMP_MSG *req = NULL;
2973 OSSL_CMP_MSG *resp = NULL;
2974
2975 ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2976 (ASN1_VALUE **)&req, &path,
2977 &cbio, acbio, prog, 0, 0);
2978 if (ret == 0)
2979 continue;
2980 if (ret++ == -1)
2981 break; /* fatal error */
2982
2983 ret = 0;
2984 msgs++;
2985 if (req != NULL) {
2986 if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2987 (void)http_server_send_status(cbio, 404, "Not Found");
2988 CMP_err1("Expecting empty path or 'pkix/' but got '%s'",
2989 path);
2990 OPENSSL_free(path);
2991 OSSL_CMP_MSG_free(req);
2992 goto cont;
2993 }
2994 OPENSSL_free(path);
2995 resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2996 OSSL_CMP_MSG_free(req);
2997 if (resp == NULL) {
2998 (void)http_server_send_status(cbio,
2999 500, "Internal Server Error");
3000 break; /* treated as fatal error */
3001 }
3002 ret = http_server_send_asn1_resp(cbio, "application/pkixcmp",
3003 ASN1_ITEM_rptr(OSSL_CMP_MSG),
3004 (const ASN1_VALUE *)resp);
3005 OSSL_CMP_MSG_free(resp);
3006 if (!ret)
3007 break; /* treated as fatal error */
3008 } else {
3009 (void)http_server_send_status(cbio, 400, "Bad Request");
3010 }
3011 cont:
3012 BIO_free_all(cbio);
3013 cbio = NULL;
3014 }
3015 BIO_free_all(cbio);
3016 BIO_free_all(acbio);
3017 #endif
3018 goto err;
3019 }
3020 /* else act as CMP client */
3021
3022 if (opt_use_mock_srv) {
3023 if (opt_server != NULL) {
3024 CMP_err("cannot use both -use_mock_srv and -server options");
3025 goto err;
3026 }
3027 if (opt_proxy != NULL) {
3028 CMP_err("cannot use both -use_mock_srv and -proxy options");
3029 goto err;
3030 }
3031 opt_server = mock_server;
3032 opt_proxy = "API";
3033 } else {
3034 if (opt_server == NULL) {
3035 CMP_err("missing -server option");
3036 goto err;
3037 }
3038 }
3039
3040 if (!setup_client_ctx(cmp_ctx, engine)) {
3041 CMP_err("cannot set up CMP context");
3042 goto err;
3043 }
3044 for (i = 0; i < opt_repeat; i++) {
3045 /* everything is ready, now connect and perform the command! */
3046 switch (opt_cmd) {
3047 case CMP_IR:
3048 newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
3049 if (newcert == NULL)
3050 goto err;
3051 break;
3052 case CMP_KUR:
3053 newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
3054 if (newcert == NULL)
3055 goto err;
3056 break;
3057 case CMP_CR:
3058 newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
3059 if (newcert == NULL)
3060 goto err;
3061 break;
3062 case CMP_P10CR:
3063 newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
3064 if (newcert == NULL)
3065 goto err;
3066 break;
3067 case CMP_RR:
3068 if (OSSL_CMP_exec_RR_ses(cmp_ctx) == NULL)
3069 goto err;
3070 break;
3071 case CMP_GENM:
3072 {
3073 STACK_OF(OSSL_CMP_ITAV) *itavs;
3074
3075 if (opt_infotype != NID_undef) {
3076 OSSL_CMP_ITAV *itav =
3077 OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
3078 if (itav == NULL)
3079 goto err;
3080 OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
3081 }
3082
3083 if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) == NULL)
3084 goto err;
3085 print_itavs(itavs);
3086 sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
3087 break;
3088 }
3089 default:
3090 break;
3091 }
3092
3093 {
3094 /* print PKIStatusInfo (this is in case there has been no error) */
3095 int status = OSSL_CMP_CTX_get_status(cmp_ctx);
3096 char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
3097 const char *string =
3098 OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
3099 OSSL_CMP_PKISI_BUFLEN);
3100
3101 CMP_print(bio_err,
3102 status == OSSL_CMP_PKISTATUS_accepted ? "info" :
3103 status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
3104 status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
3105 : "warning",
3106 "received from %s %s %s", opt_server,
3107 string != NULL ? string : "<unknown PKIStatus>", "");
3108 OPENSSL_free(buf);
3109 }
3110
3111 if (opt_cacertsout != NULL) {
3112 STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_caPubs(cmp_ctx);
3113
3114 if (sk_X509_num(certs) > 0
3115 && save_certs(cmp_ctx, certs, opt_cacertsout, "CA") < 0) {
3116 sk_X509_pop_free(certs, X509_free);
3117 goto err;
3118 }
3119 sk_X509_pop_free(certs, X509_free);
3120 }
3121
3122 if (opt_extracertsout != NULL) {
3123 STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx);
3124 if (sk_X509_num(certs) > 0
3125 && save_certs(cmp_ctx, certs, opt_extracertsout,
3126 "extra") < 0) {
3127 sk_X509_pop_free(certs, X509_free);
3128 goto err;
3129 }
3130 sk_X509_pop_free(certs, X509_free);
3131 }
3132
3133 if (opt_certout != NULL && newcert != NULL) {
3134 STACK_OF(X509) *certs = sk_X509_new_null();
3135
3136 if (certs == NULL || !sk_X509_push(certs, newcert)
3137 || save_certs(cmp_ctx, certs, opt_certout,
3138 "enrolled") < 0) {
3139 sk_X509_free(certs);
3140 goto err;
3141 }
3142 sk_X509_free(certs);
3143 }
3144 if (!OSSL_CMP_CTX_reinit(cmp_ctx))
3145 goto err;
3146 }
3147 ret = 1;
3148
3149 err:
3150 /* in case we ended up here on error without proper cleaning */
3151 cleanse(opt_keypass);
3152 cleanse(opt_newkeypass);
3153 cleanse(opt_otherpass);
3154 cleanse(opt_tls_keypass);
3155 cleanse(opt_secret);
3156 cleanse(opt_srv_keypass);
3157 cleanse(opt_srv_secret);
3158
3159 if (ret != 1)
3160 OSSL_CMP_CTX_print_errors(cmp_ctx);
3161
3162 ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3163 {
3164 APP_HTTP_TLS_INFO *http_tls_info =
3165 OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3166
3167 if (http_tls_info != NULL) {
3168 SSL_CTX_free(http_tls_info->ssl_ctx);
3169 OPENSSL_free(http_tls_info);
3170 }
3171 }
3172 X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3173 OSSL_CMP_CTX_free(cmp_ctx);
3174 X509_VERIFY_PARAM_free(vpm);
3175 release_engine(engine);
3176
3177 NCONF_free(conf); /* must not do as long as opt_... variables are used */
3178 OSSL_CMP_log_close();
3179
3180 return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS;
3181 }
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