1/*
2 * Copyright 2007-2023 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright Nokia 2007-2019
4 * Copyright Siemens AG 2015-2019
5 *
6 * Licensed under the Apache License 2.0 (the "License").  You may not use
7 * this file except in compliance with the License.  You can obtain a copy
8 * in the file LICENSE in the source distribution or at
9 * https://www.openssl.org/source/license.html
10 */
11
12/* This app is disabled when OPENSSL_NO_CMP is defined. */
13
14#include <string.h>
15#include <ctype.h>
16
17#include "apps.h"
18#include "http_server.h"
19#include "s_apps.h"
20#include "progs.h"
21
22#include "cmp_mock_srv.h"
23
24/* tweaks needed due to missing unistd.h on Windows */
25#if defined(_WIN32) && !defined(__BORLANDC__)
26# define access _access
27#endif
28#ifndef F_OK
29# define F_OK 0
30#endif
31
32#include <openssl/ui.h>
33#include <openssl/pkcs12.h>
34#include <openssl/ssl.h>
35
36/* explicit #includes not strictly needed since implied by the above: */
37#include <stdlib.h>
38#include <openssl/cmp.h>
39#include <openssl/cmp_util.h>
40#include <openssl/crmf.h>
41#include <openssl/crypto.h>
42#include <openssl/err.h>
43#include <openssl/store.h>
44#include <openssl/objects.h>
45#include <openssl/x509.h>
46
47static char *prog;
48static char *opt_config = NULL;
49#define CMP_SECTION "cmp"
50#define SECTION_NAME_MAX 40 /* max length of section name */
51#define DEFAULT_SECTION "default"
52static char *opt_section = CMP_SECTION;
53static int opt_verbosity = OSSL_CMP_LOG_INFO;
54
55static int read_config(void);
56
57static CONF *conf = NULL; /* OpenSSL config file context structure */
58static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
59
60/* the type of cmp command we want to send */
61typedef enum {
62    CMP_IR,
63    CMP_KUR,
64    CMP_CR,
65    CMP_P10CR,
66    CMP_RR,
67    CMP_GENM
68} cmp_cmd_t;
69
70/* message transfer */
71#ifndef OPENSSL_NO_SOCK
72static char *opt_server = NULL;
73static char *opt_proxy = NULL;
74static char *opt_no_proxy = NULL;
75#endif
76static char *opt_recipient = NULL;
77static char *opt_path = NULL;
78static int opt_keep_alive = 1;
79static int opt_msg_timeout = -1;
80static int opt_total_timeout = -1;
81
82/* server authentication */
83static char *opt_trusted = NULL;
84static char *opt_untrusted = NULL;
85static char *opt_srvcert = NULL;
86static char *opt_expect_sender = NULL;
87static int opt_ignore_keyusage = 0;
88static int opt_unprotected_errors = 0;
89static char *opt_extracertsout = NULL;
90static char *opt_cacertsout = NULL;
91
92/* client authentication */
93static char *opt_ref = NULL;
94static char *opt_secret = NULL;
95static char *opt_cert = NULL;
96static char *opt_own_trusted = NULL;
97static char *opt_key = NULL;
98static char *opt_keypass = NULL;
99static char *opt_digest = NULL;
100static char *opt_mac = NULL;
101static char *opt_extracerts = NULL;
102static int opt_unprotected_requests = 0;
103
104/* generic message */
105static char *opt_cmd_s = NULL;
106static int opt_cmd = -1;
107static char *opt_geninfo = NULL;
108static char *opt_infotype_s = NULL;
109static int opt_infotype = NID_undef;
110
111/* certificate enrollment */
112static char *opt_newkey = NULL;
113static char *opt_newkeypass = NULL;
114static char *opt_subject = NULL;
115static char *opt_issuer = NULL;
116static int opt_days = 0;
117static char *opt_reqexts = NULL;
118static char *opt_sans = NULL;
119static int opt_san_nodefault = 0;
120static char *opt_policies = NULL;
121static char *opt_policy_oids = NULL;
122static int opt_policy_oids_critical = 0;
123static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
124static char *opt_csr = NULL;
125static char *opt_out_trusted = NULL;
126static int opt_implicit_confirm = 0;
127static int opt_disable_confirm = 0;
128static char *opt_certout = NULL;
129static char *opt_chainout = NULL;
130
131/* certificate enrollment and revocation */
132static char *opt_oldcert = NULL;
133static int opt_revreason = CRL_REASON_NONE;
134
135/* credentials format */
136static char *opt_certform_s = "PEM";
137static int opt_certform = FORMAT_PEM;
138static char *opt_keyform_s = NULL;
139static int opt_keyform = FORMAT_UNDEF;
140static char *opt_otherpass = NULL;
141static char *opt_engine = NULL;
142
143#ifndef OPENSSL_NO_SOCK
144/* TLS connection */
145static int opt_tls_used = 0;
146static char *opt_tls_cert = NULL;
147static char *opt_tls_key = NULL;
148static char *opt_tls_keypass = NULL;
149static char *opt_tls_extra = NULL;
150static char *opt_tls_trusted = NULL;
151static char *opt_tls_host = NULL;
152#endif
153
154/* client-side debugging */
155static int opt_batch = 0;
156static int opt_repeat = 1;
157static char *opt_reqin = NULL;
158static int opt_reqin_new_tid = 0;
159static char *opt_reqout = NULL;
160static char *opt_rspin = NULL;
161static int rspin_in_use = 0;
162static char *opt_rspout = NULL;
163static int opt_use_mock_srv = 0;
164
165/* mock server */
166#ifndef OPENSSL_NO_SOCK
167static char *opt_port = NULL;
168static int opt_max_msgs = 0;
169#endif
170static char *opt_srv_ref = NULL;
171static char *opt_srv_secret = NULL;
172static char *opt_srv_cert = NULL;
173static char *opt_srv_key = NULL;
174static char *opt_srv_keypass = NULL;
175
176static char *opt_srv_trusted = NULL;
177static char *opt_srv_untrusted = NULL;
178static char *opt_rsp_cert = NULL;
179static char *opt_rsp_extracerts = NULL;
180static char *opt_rsp_capubs = NULL;
181static int opt_poll_count = 0;
182static int opt_check_after = 1;
183static int opt_grant_implicitconf = 0;
184
185static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
186static int opt_failure = INT_MIN;
187static int opt_failurebits = 0;
188static char *opt_statusstring = NULL;
189static int opt_send_error = 0;
190static int opt_send_unprotected = 0;
191static int opt_send_unprot_err = 0;
192static int opt_accept_unprotected = 0;
193static int opt_accept_unprot_err = 0;
194static int opt_accept_raverified = 0;
195
196static X509_VERIFY_PARAM *vpm = NULL;
197
198typedef enum OPTION_choice {
199    OPT_COMMON,
200    OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
201
202    OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
203
204    OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
205    OPT_DAYS, OPT_REQEXTS,
206    OPT_SANS, OPT_SAN_NODEFAULT,
207    OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
208    OPT_POPO, OPT_CSR,
209    OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
210    OPT_CERTOUT, OPT_CHAINOUT,
211
212    OPT_OLDCERT, OPT_REVREASON,
213
214#ifndef OPENSSL_NO_SOCK
215    OPT_SERVER, OPT_PROXY, OPT_NO_PROXY,
216#endif
217    OPT_RECIPIENT, OPT_PATH,
218    OPT_KEEP_ALIVE, OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
219
220    OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
221    OPT_EXPECT_SENDER,
222    OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
223    OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
224
225    OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
226    OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
227    OPT_UNPROTECTED_REQUESTS,
228
229    OPT_CERTFORM, OPT_KEYFORM,
230    OPT_OTHERPASS,
231#ifndef OPENSSL_NO_ENGINE
232    OPT_ENGINE,
233#endif
234    OPT_PROV_ENUM,
235    OPT_R_ENUM,
236
237#ifndef OPENSSL_NO_SOCK
238    OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
239    OPT_TLS_KEYPASS,
240    OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
241#endif
242
243    OPT_BATCH, OPT_REPEAT,
244    OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
245    OPT_USE_MOCK_SRV,
246
247#ifndef OPENSSL_NO_SOCK
248    OPT_PORT, OPT_MAX_MSGS,
249#endif
250    OPT_SRV_REF, OPT_SRV_SECRET,
251    OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
252    OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
253    OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
254    OPT_POLL_COUNT, OPT_CHECK_AFTER,
255    OPT_GRANT_IMPLICITCONF,
256    OPT_PKISTATUS, OPT_FAILURE,
257    OPT_FAILUREBITS, OPT_STATUSSTRING,
258    OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
259    OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
260    OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
261
262    OPT_V_ENUM
263} OPTION_CHOICE;
264
265const OPTIONS cmp_options[] = {
266    /* entries must be in the same order as enumerated above!! */
267    {"help", OPT_HELP, '-', "Display this summary"},
268    {"config", OPT_CONFIG, 's',
269     "Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
270    {"section", OPT_SECTION, 's',
271     "Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
272    {"verbosity", OPT_VERBOSITY, 'N',
273     "Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
274
275    OPT_SECTION("Generic message"),
276    {"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
277    {"infotype", OPT_INFOTYPE, 's',
278     "InfoType name for requesting specific info in genm, e.g. 'signKeyPairTypes'"},
279    {"geninfo", OPT_GENINFO, 's',
280     "generalInfo integer values to place in request PKIHeader with given OID"},
281    {OPT_MORE_STR, 0, 0,
282     "specified in the form <OID>:int:<n>, e.g. \"1.2.3.4:int:56789\""},
283
284    OPT_SECTION("Certificate enrollment"),
285    {"newkey", OPT_NEWKEY, 's',
286     "Private or public key for the requested cert. Default: CSR key or client key"},
287    {"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
288    {"subject", OPT_SUBJECT, 's',
289     "Distinguished Name (DN) of subject to use in the requested cert template"},
290    {OPT_MORE_STR, 0, 0,
291     "For kur, default is subject of -csr arg or reference cert (see -oldcert)"},
292    {OPT_MORE_STR, 0, 0,
293     "this default is used for ir and cr only if no Subject Alt Names are set"},
294    {"issuer", OPT_ISSUER, 's',
295     "DN of the issuer to place in the requested certificate template"},
296    {OPT_MORE_STR, 0, 0,
297     "also used as recipient if neither -recipient nor -srvcert are given"},
298    {"days", OPT_DAYS, 'N',
299     "Requested validity time of the new certificate in number of days"},
300    {"reqexts", OPT_REQEXTS, 's',
301     "Name of config file section defining certificate request extensions."},
302    {OPT_MORE_STR, 0, 0,
303     "Augments or replaces any extensions contained CSR given with -csr"},
304    {"sans", OPT_SANS, 's',
305     "Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
306    {"san_nodefault", OPT_SAN_NODEFAULT, '-',
307     "Do not take default SANs from reference certificate (see -oldcert)"},
308    {"policies", OPT_POLICIES, 's',
309     "Name of config file section defining policies certificate request extension"},
310    {"policy_oids", OPT_POLICY_OIDS, 's',
311     "Policy OID(s) to add as policies certificate request extension"},
312    {"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
313     "Flag the policy OID(s) given with -policy_oids as critical"},
314    {"popo", OPT_POPO, 'n',
315     "Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
316    {OPT_MORE_STR, 0, 0,
317     "-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
318    {"csr", OPT_CSR, 's',
319     "PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
320    {"out_trusted", OPT_OUT_TRUSTED, 's',
321     "Certificates to trust when verifying newly enrolled certificates"},
322    {"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
323     "Request implicit confirmation of newly enrolled certificates"},
324    {"disable_confirm", OPT_DISABLE_CONFIRM, '-',
325     "Do not confirm newly enrolled certificate w/o requesting implicit"},
326    {OPT_MORE_STR, 0, 0,
327     "confirmation. WARNING: This leads to behavior violating RFC 4210"},
328    {"certout", OPT_CERTOUT, 's',
329     "File to save newly enrolled certificate"},
330    {"chainout", OPT_CHAINOUT, 's',
331     "File to save the chain of newly enrolled certificate"},
332
333    OPT_SECTION("Certificate enrollment and revocation"),
334
335    {"oldcert", OPT_OLDCERT, 's',
336     "Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
337    {OPT_MORE_STR, 0, 0,
338     "also used as reference (defaulting to -cert) for subject DN and SANs."},
339    {OPT_MORE_STR, 0, 0,
340     "Issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
341    {"revreason", OPT_REVREASON, 'n',
342     "Reason code to include in revocation request (rr); possible values:"},
343    {OPT_MORE_STR, 0, 0,
344     "0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
345
346    OPT_SECTION("Message transfer"),
347#ifdef OPENSSL_NO_SOCK
348    {OPT_MORE_STR, 0, 0,
349     "NOTE: -server, -proxy, and -no_proxy not supported due to no-sock build"},
350#else
351    {"server", OPT_SERVER, 's',
352     "[http[s]://]address[:port][/path] of CMP server. Default port 80 or 443."},
353    {OPT_MORE_STR, 0, 0,
354     "address may be a DNS name or an IP address; path can be overridden by -path"},
355    {"proxy", OPT_PROXY, 's',
356     "[http[s]://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
357    {"no_proxy", OPT_NO_PROXY, 's',
358     "List of addresses of servers not to use HTTP(S) proxy for"},
359    {OPT_MORE_STR, 0, 0,
360     "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
361#endif
362    {"recipient", OPT_RECIPIENT, 's',
363     "DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
364    {"path", OPT_PATH, 's',
365     "HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
366    {"keep_alive", OPT_KEEP_ALIVE, 'N',
367     "Persistent HTTP connections. 0: no, 1 (the default): request, 2: require"},
368    {"msg_timeout", OPT_MSG_TIMEOUT, 'N',
369     "Number of seconds allowed per CMP message round trip, or 0 for infinite"},
370    {"total_timeout", OPT_TOTAL_TIMEOUT, 'N',
371     "Overall time an enrollment incl. polling may take. Default 0 = infinite"},
372
373    OPT_SECTION("Server authentication"),
374    {"trusted", OPT_TRUSTED, 's',
375     "Certificates to use as trust anchors when verifying signed CMP responses"},
376    {OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
377    {"untrusted", OPT_UNTRUSTED, 's',
378     "Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
379    {"srvcert", OPT_SRVCERT, 's',
380     "Server cert to pin and trust directly when verifying signed CMP responses"},
381    {"expect_sender", OPT_EXPECT_SENDER, 's',
382     "DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
383    {"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
384     "Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
385    {"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
386     "Accept missing or invalid protection of regular error messages and negative"},
387    {OPT_MORE_STR, 0, 0,
388     "certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
389    {OPT_MORE_STR, 0, 0,
390     "WARNING: This setting leads to behavior allowing violation of RFC 4210"},
391    {"extracertsout", OPT_EXTRACERTSOUT, 's',
392     "File to save extra certificates received in the extraCerts field"},
393    {"cacertsout", OPT_CACERTSOUT, 's',
394     "File to save CA certificates received in the caPubs field of 'ip' messages"},
395
396    OPT_SECTION("Client authentication"),
397    {"ref", OPT_REF, 's',
398     "Reference value to use as senderKID in case no -cert is given"},
399    {"secret", OPT_SECRET, 's',
400     "Prefer PBM (over signatures) for protecting msgs with given password source"},
401    {"cert", OPT_CERT, 's',
402     "Client's CMP signer certificate; its public key must match the -key argument"},
403    {OPT_MORE_STR, 0, 0,
404     "This also used as default reference for subject DN and SANs."},
405    {OPT_MORE_STR, 0, 0,
406     "Any further certs included are appended to the untrusted certs"},
407    {"own_trusted", OPT_OWN_TRUSTED, 's',
408     "Optional certs to verify chain building for own CMP signer cert"},
409    {"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
410    {"keypass", OPT_KEYPASS, 's',
411     "Client private key (and cert and old cert) pass phrase source"},
412    {"digest", OPT_DIGEST, 's',
413     "Digest to use in message protection and POPO signatures. Default \"sha256\""},
414    {"mac", OPT_MAC, 's',
415     "MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
416    {"extracerts", OPT_EXTRACERTS, 's',
417     "Certificates to append in extraCerts field of outgoing messages."},
418    {OPT_MORE_STR, 0, 0,
419     "This can be used as the default CMP signer cert chain to include"},
420    {"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
421     "Send request messages without CMP-level protection"},
422
423    OPT_SECTION("Credentials format"),
424    {"certform", OPT_CERTFORM, 's',
425     "Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
426    {"keyform", OPT_KEYFORM, 's',
427     "Format of the key input (ENGINE, other values ignored)"},
428    {"otherpass", OPT_OTHERPASS, 's',
429     "Pass phrase source potentially needed for loading certificates of others"},
430#ifndef OPENSSL_NO_ENGINE
431    {"engine", OPT_ENGINE, 's',
432     "Use crypto engine with given identifier, possibly a hardware device."},
433    {OPT_MORE_STR, 0, 0,
434     "Engines may also be defined in OpenSSL config file engine section."},
435#endif
436    OPT_PROV_OPTIONS,
437    OPT_R_OPTIONS,
438
439    OPT_SECTION("TLS connection"),
440#ifdef OPENSSL_NO_SOCK
441    {OPT_MORE_STR, 0, 0,
442     "NOTE: -tls_used and all other TLS options not supported due to no-sock build"},
443#else
444    {"tls_used", OPT_TLS_USED, '-',
445     "Enable using TLS (also when other TLS options are not set)"},
446    {"tls_cert", OPT_TLS_CERT, 's',
447     "Client's TLS certificate. May include chain to be provided to TLS server"},
448    {"tls_key", OPT_TLS_KEY, 's',
449     "Private key for the client's TLS certificate"},
450    {"tls_keypass", OPT_TLS_KEYPASS, 's',
451     "Pass phrase source for the client's private TLS key (and TLS cert)"},
452    {"tls_extra", OPT_TLS_EXTRA, 's',
453     "Extra certificates to provide to TLS server during TLS handshake"},
454    {"tls_trusted", OPT_TLS_TRUSTED, 's',
455     "Trusted certificates to use for verifying the TLS server certificate;"},
456    {OPT_MORE_STR, 0, 0, "this implies host name validation"},
457    {"tls_host", OPT_TLS_HOST, 's',
458     "Address to be checked (rather than -server) during TLS host name validation"},
459#endif
460
461    OPT_SECTION("Client-side debugging"),
462    {"batch", OPT_BATCH, '-',
463     "Do not interactively prompt for input when a password is required etc."},
464    {"repeat", OPT_REPEAT, 'p',
465     "Invoke the transaction the given positive number of times. Default 1"},
466    {"reqin", OPT_REQIN, 's',
467     "Take sequence of CMP requests to send to server from file(s)"},
468    {"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
469     "Use fresh transactionID for CMP requests read from -reqin"},
470    {"reqout", OPT_REQOUT, 's',
471     "Save sequence of CMP requests created by the client to file(s)"},
472    {"rspin", OPT_RSPIN, 's',
473     "Process sequence of CMP responses provided in file(s), skipping server"},
474    {"rspout", OPT_RSPOUT, 's',
475     "Save sequence of actually used CMP responses to file(s)"},
476
477    {"use_mock_srv", OPT_USE_MOCK_SRV, '-',
478     "Use internal mock server at API level, bypassing socket-based HTTP"},
479
480    OPT_SECTION("Mock server"),
481#ifdef OPENSSL_NO_SOCK
482    {OPT_MORE_STR, 0, 0,
483     "NOTE: -port and -max_msgs not supported due to no-sock build"},
484#else
485    {"port", OPT_PORT, 's',
486     "Act as HTTP-based mock server listening on given port"},
487    {"max_msgs", OPT_MAX_MSGS, 'N',
488     "max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
489#endif
490
491    {"srv_ref", OPT_SRV_REF, 's',
492     "Reference value to use as senderKID of server in case no -srv_cert is given"},
493    {"srv_secret", OPT_SRV_SECRET, 's',
494     "Password source for server authentication with a pre-shared key (secret)"},
495    {"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
496    {"srv_key", OPT_SRV_KEY, 's',
497     "Private key used by the server for signing messages"},
498    {"srv_keypass", OPT_SRV_KEYPASS, 's',
499     "Server private key (and cert) pass phrase source"},
500
501    {"srv_trusted", OPT_SRV_TRUSTED, 's',
502     "Trusted certificates for client authentication"},
503    {"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
504     "Intermediate certs that may be useful for verifying CMP protection"},
505    {"rsp_cert", OPT_RSP_CERT, 's',
506     "Certificate to be returned as mock enrollment result"},
507    {"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
508     "Extra certificates to be included in mock certification responses"},
509    {"rsp_capubs", OPT_RSP_CAPUBS, 's',
510     "CA certificates to be included in mock ip response"},
511    {"poll_count", OPT_POLL_COUNT, 'N',
512     "Number of times the client must poll before receiving a certificate"},
513    {"check_after", OPT_CHECK_AFTER, 'N',
514     "The check_after value (time to wait) to include in poll response"},
515    {"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
516     "Grant implicit confirmation of newly enrolled certificate"},
517
518    {"pkistatus", OPT_PKISTATUS, 'N',
519     "PKIStatus to be included in server response. Possible values: 0..6"},
520    {"failure", OPT_FAILURE, 'N',
521     "A single failure info bit number to include in server response, 0..26"},
522    {"failurebits", OPT_FAILUREBITS, 'N',
523     "Number representing failure bits to include in server response, 0..2^27 - 1"},
524    {"statusstring", OPT_STATUSSTRING, 's',
525     "Status string to be included in server response"},
526    {"send_error", OPT_SEND_ERROR, '-',
527     "Force server to reply with error message"},
528    {"send_unprotected", OPT_SEND_UNPROTECTED, '-',
529     "Send response messages without CMP-level protection"},
530    {"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
531     "In case of negative responses, server shall send unprotected error messages,"},
532    {OPT_MORE_STR, 0, 0,
533     "certificate responses (ip/cp/kup), and revocation responses (rp)."},
534    {OPT_MORE_STR, 0, 0,
535     "WARNING: This setting leads to behavior violating RFC 4210"},
536    {"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
537     "Accept missing or invalid protection of requests"},
538    {"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
539     "Accept unprotected error messages from client"},
540    {"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
541     "Accept RAVERIFIED as proof-of-possession (POPO)"},
542
543    OPT_V_OPTIONS,
544    {NULL}
545};
546
547typedef union {
548    char **txt;
549    int *num;
550    long *num_long;
551} varref;
552static varref cmp_vars[] = { /* must be in same order as enumerated above! */
553    {&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
554
555    {&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
556
557    {&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
558    {(char **)&opt_days}, {&opt_reqexts},
559    {&opt_sans}, {(char **)&opt_san_nodefault},
560    {&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
561    {(char **)&opt_popo}, {&opt_csr},
562    {&opt_out_trusted},
563    {(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
564    {&opt_certout}, {&opt_chainout},
565
566    {&opt_oldcert}, {(char **)&opt_revreason},
567
568#ifndef OPENSSL_NO_SOCK
569    {&opt_server}, {&opt_proxy}, {&opt_no_proxy},
570#endif
571    {&opt_recipient}, {&opt_path}, {(char **)&opt_keep_alive},
572    {(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
573
574    {&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
575    {&opt_expect_sender},
576    {(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
577    {&opt_extracertsout}, {&opt_cacertsout},
578
579    {&opt_ref}, {&opt_secret},
580    {&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
581    {&opt_digest}, {&opt_mac}, {&opt_extracerts},
582    {(char **)&opt_unprotected_requests},
583
584    {&opt_certform_s}, {&opt_keyform_s},
585    {&opt_otherpass},
586#ifndef OPENSSL_NO_ENGINE
587    {&opt_engine},
588#endif
589
590#ifndef OPENSSL_NO_SOCK
591    {(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
592    {&opt_tls_keypass},
593    {&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
594#endif
595
596    {(char **)&opt_batch}, {(char **)&opt_repeat},
597    {&opt_reqin}, {(char **)&opt_reqin_new_tid},
598    {&opt_reqout}, {&opt_rspin}, {&opt_rspout},
599
600    {(char **)&opt_use_mock_srv},
601#ifndef OPENSSL_NO_SOCK
602    {&opt_port}, {(char **)&opt_max_msgs},
603#endif
604    {&opt_srv_ref}, {&opt_srv_secret},
605    {&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
606    {&opt_srv_trusted}, {&opt_srv_untrusted},
607    {&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
608    {(char **)&opt_poll_count}, {(char **)&opt_check_after},
609    {(char **)&opt_grant_implicitconf},
610    {(char **)&opt_pkistatus}, {(char **)&opt_failure},
611    {(char **)&opt_failurebits}, {&opt_statusstring},
612    {(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
613    {(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
614    {(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
615
616    {NULL}
617};
618
619#define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0   \
620              ? "CMP" : OPENSSL_FUNC)
621#define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
622    ((void)(level > opt_verbosity ? 0 : \
623            (BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
624                        FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
625#define CMP_DEBUG(m, a1, a2, a3) \
626    CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
627#define CMP_debug(msg)             CMP_DEBUG(msg"%s%s%s", "", "", "")
628#define CMP_debug1(msg, a1)        CMP_DEBUG(msg"%s%s",   a1, "", "")
629#define CMP_debug2(msg, a1, a2)    CMP_DEBUG(msg"%s",     a1, a2, "")
630#define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg,        a1, a2, a3)
631#define CMP_INFO(msg, a1, a2, a3) \
632    CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
633#define CMP_info(msg)              CMP_INFO(msg"%s%s%s", "", "", "")
634#define CMP_info1(msg, a1)         CMP_INFO(msg"%s%s",   a1, "", "")
635#define CMP_info2(msg, a1, a2)     CMP_INFO(msg"%s",     a1, a2, "")
636#define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg,         a1, a2, a3)
637#define CMP_WARN(m, a1, a2, a3) \
638    CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
639#define CMP_warn(msg)              CMP_WARN(msg"%s%s%s", "", "", "")
640#define CMP_warn1(msg, a1)         CMP_WARN(msg"%s%s",   a1, "", "")
641#define CMP_warn2(msg, a1, a2)     CMP_WARN(msg"%s",     a1, a2, "")
642#define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg,         a1, a2, a3)
643#define CMP_ERR(msg, a1, a2, a3) \
644    CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
645#define CMP_err(msg)               CMP_ERR(msg"%s%s%s", "", "", "")
646#define CMP_err1(msg, a1)          CMP_ERR(msg"%s%s",   a1, "", "")
647#define CMP_err2(msg, a1, a2)      CMP_ERR(msg"%s",     a1, a2, "")
648#define CMP_err3(msg, a1, a2, a3)  CMP_ERR(msg,         a1, a2, a3)
649
650static int print_to_bio_out(const char *func, const char *file, int line,
651                            OSSL_CMP_severity level, const char *msg)
652{
653    return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
654}
655
656static int print_to_bio_err(const char *func, const char *file, int line,
657                            OSSL_CMP_severity level, const char *msg)
658{
659    return OSSL_CMP_print_to_bio(bio_err, func, file, line, level, msg);
660}
661
662static int set_verbosity(int level)
663{
664    if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
665        CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
666        return 0;
667    }
668    opt_verbosity = level;
669    return 1;
670}
671
672static EVP_PKEY *load_key_pwd(const char *uri, int format,
673                              const char *pass, ENGINE *eng, const char *desc)
674{
675    char *pass_string = get_passwd(pass, desc);
676    EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
677
678    clear_free(pass_string);
679    return pkey;
680}
681
682static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
683{
684    X509 *cert;
685    char *pass_string = get_passwd(pass, desc);
686
687    cert = load_cert_pass(uri, FORMAT_UNDEF, 0, pass_string, desc);
688    clear_free(pass_string);
689    return cert;
690}
691
692static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
693{
694    X509_REQ *csr;
695    BIO *bio_bak = bio_err;
696
697    bio_err = NULL; /* do not show errors on more than one try */
698    csr = load_csr(infile, FORMAT_PEM, desc);
699    bio_err = bio_bak;
700    if (csr == NULL) {
701        ERR_clear_error();
702        csr = load_csr(infile, FORMAT_ASN1, desc);
703    }
704    if (csr == NULL) {
705        ERR_print_errors(bio_err);
706        BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
707                   infile);
708    } else {
709        EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
710        int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */);
711
712        if (pkey == NULL || ret < 0)
713            CMP_warn("error while verifying CSR self-signature");
714        else if (ret == 0)
715            CMP_warn("CSR self-signature does not match the contents");
716    }
717    return csr;
718}
719
720/* set expected host name/IP addr and clears the email addr in the given ts */
721static int truststore_set_host_etc(X509_STORE *ts, const char *host)
722{
723    X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
724
725    /* first clear any host names, IP, and email addresses */
726    if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
727            || !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
728            || !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
729        return 0;
730    X509_VERIFY_PARAM_set_hostflags(ts_vpm,
731                                    X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
732                                    X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
733    return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
734        || X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
735}
736
737/* write OSSL_CMP_MSG DER-encoded to the specified file name item */
738static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
739{
740    char *file;
741
742    if (msg == NULL || filenames == NULL) {
743        CMP_err("NULL arg to write_PKIMESSAGE");
744        return 0;
745    }
746    if (*filenames == NULL) {
747        CMP_err("not enough file names provided for writing PKIMessage");
748        return 0;
749    }
750
751    file = *filenames;
752    *filenames = next_item(file);
753    if (OSSL_CMP_MSG_write(file, msg) < 0) {
754        CMP_err1("cannot write PKIMessage to file '%s'", file);
755        return 0;
756    }
757    return 1;
758}
759
760/* read DER-encoded OSSL_CMP_MSG from the specified file name item */
761static OSSL_CMP_MSG *read_PKIMESSAGE(const char *desc, char **filenames)
762{
763    char *file;
764    OSSL_CMP_MSG *ret;
765
766    if (filenames == NULL || desc == NULL) {
767        CMP_err("NULL arg to read_PKIMESSAGE");
768        return NULL;
769    }
770    if (*filenames == NULL) {
771        CMP_err("not enough file names provided for reading PKIMessage");
772        return NULL;
773    }
774
775    file = *filenames;
776    *filenames = next_item(file);
777
778    ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq());
779    if (ret == NULL)
780        CMP_err1("cannot read PKIMessage from file '%s'", file);
781    else
782        CMP_info2("%s %s", desc, file);
783    return ret;
784}
785
786/*-
787 * Sends the PKIMessage req and on success place the response in *res
788 * basically like OSSL_CMP_MSG_http_perform(), but in addition allows
789 * to dump the sequence of requests and responses to files and/or
790 * to take the sequence of requests and responses from files.
791 */
792static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
793                                         const OSSL_CMP_MSG *req)
794{
795    OSSL_CMP_MSG *req_new = NULL;
796    OSSL_CMP_MSG *res = NULL;
797    OSSL_CMP_PKIHEADER *hdr;
798    const char *prev_opt_rspin = opt_rspin;
799
800    if (req != NULL && opt_reqout != NULL
801            && !write_PKIMESSAGE(req, &opt_reqout))
802        goto err;
803    if (opt_reqin != NULL && opt_rspin == NULL) {
804        if ((req_new = read_PKIMESSAGE("actually sending", &opt_reqin)) == NULL)
805            goto err;
806        /*-
807         * The transaction ID in req_new read from opt_reqin may not be fresh.
808         * In this case the server may complain "Transaction id already in use."
809         * The following workaround unfortunately requires re-protection.
810         */
811        if (opt_reqin_new_tid
812                && !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
813            goto err;
814
815        /*
816         * Except for first request, need to satisfy recipNonce check by server.
817         * Unfortunately requires re-protection if protection is required.
818         */
819        if (!OSSL_CMP_MSG_update_recipNonce(ctx, req_new))
820            goto err;
821    }
822
823    if (opt_rspin != NULL) {
824        res = read_PKIMESSAGE("actually using", &opt_rspin);
825    } else {
826        const OSSL_CMP_MSG *actual_req = req_new != NULL ? req_new : req;
827
828        if (opt_use_mock_srv) {
829            if (rspin_in_use)
830                CMP_warn("too few -rspin filename arguments; resorting to using mock server");
831            res = OSSL_CMP_CTX_server_perform(ctx, actual_req);
832        } else {
833#ifndef OPENSSL_NO_SOCK
834            if (opt_server == NULL) {
835                CMP_err("missing -server or -use_mock_srv option, or too few -rspin filename arguments");
836                goto err;
837            }
838            if (rspin_in_use)
839                CMP_warn("too few -rspin filename arguments; resorting to contacting server");
840            res = OSSL_CMP_MSG_http_perform(ctx, actual_req);
841#else
842            CMP_err("-server not supported on no-sock build; missing -use_mock_srv option or too few -rspin filename arguments");
843#endif
844        }
845        rspin_in_use = 0;
846    }
847    if (res == NULL)
848        goto err;
849
850    if (req_new != NULL || prev_opt_rspin != NULL) {
851        /* need to satisfy nonce and transactionID checks by client */
852        ASN1_OCTET_STRING *nonce;
853        ASN1_OCTET_STRING *tid;
854
855        hdr = OSSL_CMP_MSG_get0_header(res);
856        nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
857        tid = OSSL_CMP_HDR_get0_transactionID(hdr);
858        if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
859                || !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
860            OSSL_CMP_MSG_free(res);
861            res = NULL;
862            goto err;
863        }
864    }
865
866    if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
867        OSSL_CMP_MSG_free(res);
868        res = NULL;
869    }
870
871 err:
872    OSSL_CMP_MSG_free(req_new);
873    return res;
874}
875
876static int set_name(const char *str,
877                    int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
878                    OSSL_CMP_CTX *ctx, const char *desc)
879{
880    if (str != NULL) {
881        X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
882
883        if (n == NULL)
884            return 0;
885        if (!(*set_fn) (ctx, n)) {
886            X509_NAME_free(n);
887            CMP_err("out of memory");
888            return 0;
889        }
890        X509_NAME_free(n);
891    }
892    return 1;
893}
894
895static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
896{
897    char *next;
898
899    for (; names != NULL; names = next) {
900        GENERAL_NAME *n;
901
902        next = next_item(names);
903        if (strcmp(names, "critical") == 0) {
904            (void)OSSL_CMP_CTX_set_option(ctx,
905                                          OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
906                                          1);
907            continue;
908        }
909
910        /* try IP address first, then URI or domain name */
911        (void)ERR_set_mark();
912        n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
913        if (n == NULL)
914            n = a2i_GENERAL_NAME(NULL, NULL, NULL,
915                                 strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
916                                 names, 0);
917        (void)ERR_pop_to_mark();
918
919        if (n == NULL) {
920            CMP_err2("bad syntax of %s '%s'", desc, names);
921            return 0;
922        }
923        if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
924            GENERAL_NAME_free(n);
925            CMP_err("out of memory");
926            return 0;
927        }
928        GENERAL_NAME_free(n);
929    }
930    return 1;
931}
932
933static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
934{
935    X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
936
937    if (ts == NULL)
938        return NULL;
939    X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
940
941    /* copy vpm to store */
942    if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
943            && (for_new_cert || truststore_set_host_etc(ts, NULL)))
944        return ts;
945    BIO_printf(bio_err, "error setting verification parameters for %s\n", desc);
946    OSSL_CMP_CTX_print_errors(cmp_ctx);
947    X509_STORE_free(ts);
948    return NULL;
949}
950
951typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
952
953static int setup_certs(char *files, const char *desc, void *ctx,
954                       add_X509_stack_fn_t set1_fn)
955{
956    STACK_OF(X509) *certs;
957    int ok;
958
959    if (files == NULL)
960        return 1;
961    if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL)
962        return 0;
963    ok = (*set1_fn)(ctx, certs);
964    sk_X509_pop_free(certs, X509_free);
965    return ok;
966}
967
968
969/*
970 * parse and transform some options, checking their syntax.
971 * Returns 1 on success, 0 on error
972 */
973static int transform_opts(void)
974{
975    if (opt_cmd_s != NULL) {
976        if (!strcmp(opt_cmd_s, "ir")) {
977            opt_cmd = CMP_IR;
978        } else if (!strcmp(opt_cmd_s, "kur")) {
979            opt_cmd = CMP_KUR;
980        } else if (!strcmp(opt_cmd_s, "cr")) {
981            opt_cmd = CMP_CR;
982        } else if (!strcmp(opt_cmd_s, "p10cr")) {
983            opt_cmd = CMP_P10CR;
984        } else if (!strcmp(opt_cmd_s, "rr")) {
985            opt_cmd = CMP_RR;
986        } else if (!strcmp(opt_cmd_s, "genm")) {
987            opt_cmd = CMP_GENM;
988        } else {
989            CMP_err1("unknown cmp command '%s'", opt_cmd_s);
990            return 0;
991        }
992    } else {
993        CMP_err("no cmp command to execute");
994        return 0;
995    }
996
997#ifndef OPENSSL_NO_ENGINE
998# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
999#else
1000# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
1001#endif
1002
1003    if (opt_keyform_s != NULL
1004            && !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
1005        CMP_err("unknown option given for key loading format");
1006        return 0;
1007    }
1008
1009#undef FORMAT_OPTIONS
1010
1011    if (opt_certform_s != NULL
1012            && !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
1013        CMP_err("unknown option given for certificate storing format");
1014        return 0;
1015    }
1016
1017    return 1;
1018}
1019
1020static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
1021{
1022    OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
1023    OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new(app_get0_libctx(),
1024                                                      app_get0_propq());
1025
1026    if (srv_ctx == NULL)
1027        return NULL;
1028    ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
1029
1030    if (opt_srv_ref == NULL) {
1031        if (opt_srv_cert == NULL) {
1032            /* opt_srv_cert should determine the sender */
1033            CMP_err("must give -srv_ref for mock server if no -srv_cert given");
1034            goto err;
1035        }
1036    } else {
1037        if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
1038                                              strlen(opt_srv_ref)))
1039            goto err;
1040    }
1041
1042    if (opt_srv_secret != NULL) {
1043        int res;
1044        char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of mock server");
1045
1046        if (pass_str != NULL) {
1047            cleanse(opt_srv_secret);
1048            res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
1049                                                strlen(pass_str));
1050            clear_free(pass_str);
1051            if (res == 0)
1052                goto err;
1053        }
1054    } else if (opt_srv_cert == NULL) {
1055        CMP_err("server credentials (-srv_secret or -srv_cert) must be given if -use_mock_srv or -port is used");
1056        goto err;
1057    } else {
1058        CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
1059    }
1060
1061    if (opt_srv_secret == NULL
1062            && ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
1063        CMP_err("must give both -srv_cert and -srv_key options or neither");
1064        goto err;
1065    }
1066    if (opt_srv_cert != NULL) {
1067        X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
1068                                       "certificate of the mock server");
1069
1070        if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
1071            X509_free(srv_cert);
1072            goto err;
1073        }
1074        X509_free(srv_cert);
1075    }
1076    if (opt_srv_key != NULL) {
1077        EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
1078                                      opt_srv_keypass,
1079                                      engine, "private key for mock server cert");
1080
1081        if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1082            EVP_PKEY_free(pkey);
1083            goto err;
1084        }
1085        EVP_PKEY_free(pkey);
1086    }
1087    cleanse(opt_srv_keypass);
1088
1089    if (opt_srv_trusted != NULL) {
1090        X509_STORE *ts =
1091            load_trusted(opt_srv_trusted, 0, "certs trusted by mock server");
1092
1093        if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1094            X509_STORE_free(ts);
1095            goto err;
1096        }
1097    } else {
1098        CMP_warn("mock server will not be able to handle signature-protected requests since -srv_trusted is not given");
1099    }
1100    if (!setup_certs(opt_srv_untrusted,
1101                     "untrusted certificates for mock server", ctx,
1102                     (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1103        goto err;
1104
1105    if (opt_rsp_cert == NULL) {
1106        CMP_warn("no -rsp_cert given for mock server");
1107    } else {
1108        X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
1109                                   "cert to be returned by the mock server");
1110
1111        if (cert == NULL)
1112            goto err;
1113        /* from server perspective the server is the client */
1114        if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
1115            X509_free(cert);
1116            goto err;
1117        }
1118        X509_free(cert);
1119    }
1120    if (!setup_certs(opt_rsp_extracerts,
1121                     "CMP extra certificates for mock server", srv_ctx,
1122                     (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut))
1123        goto err;
1124    if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
1125                     (add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut))
1126        goto err;
1127    (void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
1128    (void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
1129    if (opt_grant_implicitconf)
1130        (void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
1131
1132    if (opt_failure != INT_MIN) { /* option has been set explicity */
1133        if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
1134            CMP_err1("-failure out of range, should be >= 0 and <= %d",
1135                     OSSL_CMP_PKIFAILUREINFO_MAX);
1136            goto err;
1137        }
1138        if (opt_failurebits != 0)
1139            CMP_warn("-failurebits overrides -failure");
1140        else
1141            opt_failurebits = 1 << opt_failure;
1142    }
1143    if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
1144        CMP_err("-failurebits out of range");
1145        goto err;
1146    }
1147    if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
1148                                          opt_failurebits, opt_statusstring))
1149        goto err;
1150
1151    if (opt_send_error)
1152        (void)ossl_cmp_mock_srv_set_sendError(srv_ctx, 1);
1153
1154    if (opt_send_unprotected)
1155        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1156    if (opt_send_unprot_err)
1157        (void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
1158    if (opt_accept_unprotected)
1159        (void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
1160    if (opt_accept_unprot_err)
1161        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1162    if (opt_accept_raverified)
1163        (void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
1164
1165    return srv_ctx;
1166
1167 err:
1168    ossl_cmp_mock_srv_free(srv_ctx);
1169    return NULL;
1170}
1171
1172/*
1173 * set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
1174 * Returns pointer on success, NULL on error
1175 */
1176static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
1177{
1178    if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
1179                     (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted))
1180        return 0;
1181
1182    if (opt_srvcert != NULL || opt_trusted != NULL) {
1183        X509 *srvcert;
1184        X509_STORE *ts;
1185        int ok;
1186
1187        if (opt_srvcert != NULL) {
1188            if (opt_trusted != NULL) {
1189                CMP_warn("-trusted option is ignored since -srvcert option is present");
1190                opt_trusted = NULL;
1191            }
1192            if (opt_recipient != NULL) {
1193                CMP_warn("-recipient option is ignored since -srvcert option is present");
1194                opt_recipient = NULL;
1195            }
1196            srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
1197                                    "directly trusted CMP server certificate");
1198            ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert);
1199            X509_free(srvcert);
1200            if (!ok)
1201                return 0;
1202        }
1203        if (opt_trusted != NULL) {
1204            /*
1205             * the 0 arg below clears any expected host/ip/email address;
1206             * opt_expect_sender is used instead
1207             */
1208            ts = load_trusted(opt_trusted, 0, "certs trusted by client");
1209
1210            if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
1211                X509_STORE_free(ts);
1212                return 0;
1213            }
1214        }
1215    }
1216
1217    if (opt_ignore_keyusage)
1218        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
1219
1220    if (opt_unprotected_errors)
1221        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
1222
1223    if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
1224        X509_VERIFY_PARAM *out_vpm = NULL;
1225        X509_STORE *out_trusted =
1226            load_trusted(opt_out_trusted, 1,
1227                         "trusted certs for verifying newly enrolled cert");
1228
1229        if (out_trusted == NULL)
1230            return 0;
1231        /* ignore any -attime here, new certs are current anyway */
1232        out_vpm = X509_STORE_get0_param(out_trusted);
1233        X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
1234
1235        (void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
1236    }
1237
1238    if (opt_disable_confirm)
1239        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
1240
1241    if (opt_implicit_confirm)
1242        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
1243
1244    return 1;
1245}
1246
1247#ifndef OPENSSL_NO_SOCK
1248/*
1249 * set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
1250 * Returns pointer on success, NULL on error
1251 */
1252static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, const char *host,
1253                              ENGINE *engine)
1254{
1255    STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(ctx);
1256    EVP_PKEY *pkey = NULL;
1257    X509_STORE *trust_store = NULL;
1258    SSL_CTX *ssl_ctx;
1259    int i;
1260
1261    ssl_ctx = SSL_CTX_new(TLS_client_method());
1262    if (ssl_ctx == NULL)
1263        return NULL;
1264
1265    if (opt_tls_trusted != NULL) {
1266        trust_store = load_trusted(opt_tls_trusted, 0, "trusted TLS certs");
1267        if (trust_store == NULL)
1268            goto err;
1269        SSL_CTX_set_cert_store(ssl_ctx, trust_store);
1270    }
1271
1272    if (opt_tls_cert != NULL && opt_tls_key != NULL) {
1273        X509 *cert;
1274        STACK_OF(X509) *certs = NULL;
1275        int ok;
1276
1277        if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass,
1278                             "TLS client certificate (optionally with chain)",
1279                             vpm))
1280            /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */
1281            goto err;
1282
1283        ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0;
1284        X509_free(cert);
1285
1286        /*
1287         * Any further certs and any untrusted certs are used for constructing
1288         * the chain to be provided with the TLS client cert to the TLS server.
1289         */
1290        if (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) {
1291            CMP_err1("unable to use client TLS certificate file '%s'",
1292                     opt_tls_cert);
1293            sk_X509_pop_free(certs, X509_free);
1294            goto err;
1295        }
1296        for (i = 0; i < sk_X509_num(untrusted); i++) {
1297            cert = sk_X509_value(untrusted, i);
1298            if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
1299                CMP_err("could not add untrusted cert to TLS client cert chain");
1300                goto err;
1301            }
1302        }
1303
1304        {
1305            X509_VERIFY_PARAM *tls_vpm = NULL;
1306            unsigned long bak_flags = 0; /* compiler warns without init */
1307
1308            if (trust_store != NULL) {
1309                tls_vpm = X509_STORE_get0_param(trust_store);
1310                bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm);
1311                /* disable any cert status/revocation checking etc. */
1312                X509_VERIFY_PARAM_clear_flags(tls_vpm,
1313                                              ~(X509_V_FLAG_USE_CHECK_TIME
1314                                                | X509_V_FLAG_NO_CHECK_TIME
1315                                                | X509_V_FLAG_PARTIAL_CHAIN
1316                                                | X509_V_FLAG_POLICY_CHECK));
1317            }
1318            CMP_debug("trying to build cert chain for own TLS cert");
1319            if (SSL_CTX_build_cert_chain(ssl_ctx,
1320                                         SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
1321                                         SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
1322                CMP_debug("success building cert chain for own TLS cert");
1323            } else {
1324                OSSL_CMP_CTX_print_errors(ctx);
1325                CMP_warn("could not build cert chain for own TLS cert");
1326            }
1327            if (trust_store != NULL)
1328                X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags);
1329        }
1330
1331        /* If present we append to the list also the certs from opt_tls_extra */
1332        if (opt_tls_extra != NULL) {
1333            STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
1334                                                             opt_otherpass,
1335                                                             "extra certificates for TLS",
1336                                                             vpm);
1337            int res = 1;
1338
1339            if (tls_extra == NULL)
1340                goto err;
1341            for (i = 0; i < sk_X509_num(tls_extra); i++) {
1342                cert = sk_X509_value(tls_extra, i);
1343                if (res != 0)
1344                    res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
1345                if (res == 0)
1346                    X509_free(cert);
1347            }
1348            sk_X509_free(tls_extra);
1349            if (res == 0) {
1350                BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
1351                goto err;
1352            }
1353        }
1354
1355        pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
1356                            engine, "TLS client private key");
1357        cleanse(opt_tls_keypass);
1358        if (pkey == NULL)
1359            goto err;
1360        /*
1361         * verify the key matches the cert,
1362         * not using SSL_CTX_check_private_key(ssl_ctx)
1363         * because it gives poor and sometimes misleading diagnostics
1364         */
1365        if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
1366                                    pkey)) {
1367            CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
1368                     opt_tls_key, opt_tls_cert);
1369            EVP_PKEY_free(pkey);
1370            pkey = NULL; /* otherwise, for some reason double free! */
1371            goto err;
1372        }
1373        if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
1374            CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
1375            EVP_PKEY_free(pkey);
1376            pkey = NULL; /* otherwise, for some reason double free! */
1377            goto err;
1378        }
1379        EVP_PKEY_free(pkey); /* we do not need the handle any more */
1380    }
1381    if (opt_tls_trusted != NULL) {
1382        /* enable and parameterize server hostname/IP address check */
1383        if (!truststore_set_host_etc(trust_store,
1384                                     opt_tls_host != NULL ? opt_tls_host : host))
1385            goto err;
1386        SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
1387    }
1388    return ssl_ctx;
1389 err:
1390    SSL_CTX_free(ssl_ctx);
1391    return NULL;
1392}
1393#endif /* OPENSSL_NO_SOCK */
1394
1395/*
1396 * set up protection aspects of OSSL_CMP_CTX based on options from config
1397 * file/CLI while parsing options and checking their consistency.
1398 * Returns 1 on success, 0 on error
1399 */
1400static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1401{
1402    if (!opt_unprotected_requests && opt_secret == NULL && opt_key == NULL) {
1403        CMP_err("must give -key or -secret unless -unprotected_requests is used");
1404        return 0;
1405    }
1406
1407    if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
1408        /* cert or subject should determine the sender */
1409        CMP_err("must give -ref if no -cert and no -subject given");
1410        return 0;
1411    }
1412    if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
1413        CMP_err("must give both -cert and -key options or neither");
1414        return 0;
1415    }
1416    if (opt_secret != NULL) {
1417        char *pass_string = get_passwd(opt_secret, "PBMAC");
1418        int res;
1419
1420        if (pass_string != NULL) {
1421            cleanse(opt_secret);
1422            res = OSSL_CMP_CTX_set1_secretValue(ctx,
1423                                                (unsigned char *)pass_string,
1424                                                strlen(pass_string));
1425            clear_free(pass_string);
1426            if (res == 0)
1427                return 0;
1428        }
1429        if (opt_cert != NULL || opt_key != NULL)
1430            CMP_warn("-cert and -key not used for protection since -secret is given");
1431    }
1432    if (opt_ref != NULL
1433            && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
1434                                                 strlen(opt_ref)))
1435        return 0;
1436
1437    if (opt_key != NULL) {
1438        EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
1439                                      "private key for CMP client certificate");
1440
1441        if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
1442            EVP_PKEY_free(pkey);
1443            return 0;
1444        }
1445        EVP_PKEY_free(pkey);
1446    }
1447    if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL)
1448        CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert");
1449
1450    if (opt_cert != NULL) {
1451        X509 *cert;
1452        STACK_OF(X509) *certs = NULL;
1453        X509_STORE *own_trusted = NULL;
1454        int ok;
1455
1456        if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass,
1457                             "CMP client certificate (optionally with chain)",
1458                             vpm))
1459            /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
1460            return 0;
1461        ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
1462        X509_free(cert);
1463        if (!ok) {
1464            CMP_err("out of memory");
1465        } else {
1466            if (opt_own_trusted != NULL) {
1467                own_trusted = load_trusted(opt_own_trusted, 0,
1468                                           "trusted certs for verifying own CMP signer cert");
1469                ok = own_trusted != NULL;
1470            }
1471            ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs);
1472        }
1473        X509_STORE_free(own_trusted);
1474        sk_X509_pop_free(certs, X509_free);
1475        if (!ok)
1476            return 0;
1477    } else if (opt_own_trusted != NULL) {
1478        CMP_warn("-own_trusted option is ignored without -cert");
1479    }
1480
1481    if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
1482                     (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut))
1483        return 0;
1484    cleanse(opt_otherpass);
1485
1486    if (opt_unprotected_requests)
1487        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
1488
1489    if (opt_digest != NULL) {
1490        int digest = OBJ_ln2nid(opt_digest);
1491
1492        if (digest == NID_undef) {
1493            CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
1494            return 0;
1495        }
1496        if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest)
1497            || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) {
1498            CMP_err1("digest algorithm name not supported: '%s'", opt_digest);
1499            return 0;
1500        }
1501    }
1502
1503    if (opt_mac != NULL) {
1504        int mac = OBJ_ln2nid(opt_mac);
1505        if (mac == NID_undef) {
1506            CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
1507            return 0;
1508        }
1509        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
1510    }
1511    return 1;
1512}
1513
1514/*
1515 * set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
1516 * based on options from config file/CLI.
1517 * Returns pointer on success, NULL on error
1518 */
1519static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1520{
1521    X509_REQ *csr = NULL;
1522    X509_EXTENSIONS *exts = NULL;
1523    X509V3_CTX ext_ctx;
1524
1525    if (opt_subject == NULL
1526            && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL
1527            && opt_cmd != CMP_RR && opt_cmd != CMP_GENM)
1528        CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback");
1529
1530    if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
1531        if (opt_newkey == NULL
1532            && opt_key == NULL && opt_csr == NULL && opt_oldcert == NULL) {
1533            CMP_err("missing -newkey (or -key) to be certified and no -csr, -oldcert, or -cert given for fallback public key");
1534            return 0;
1535        }
1536        if (opt_newkey == NULL
1537            && opt_popo != OSSL_CRMF_POPO_NONE
1538            && opt_popo != OSSL_CRMF_POPO_RAVERIFIED) {
1539            if (opt_csr != NULL) {
1540                CMP_err1("no -newkey option given with private key for POPO, -csr option only provides public key%s",
1541                        opt_key == NULL ? "" :
1542                        ", and -key option superseded by by -csr");
1543                return 0;
1544            }
1545            if (opt_key == NULL) {
1546                CMP_err("missing -newkey (or -key) option for POPO");
1547                return 0;
1548            }
1549        }
1550        if (opt_certout == NULL) {
1551            CMP_err("-certout not given, nowhere to save newly enrolled certificate");
1552            return 0;
1553        }
1554        if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
1555                || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
1556            return 0;
1557    } else {
1558        const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'";
1559
1560        if (opt_subject != NULL) {
1561            if (opt_ref == NULL && opt_cert == NULL) {
1562                /* use subject as default sender unless oldcert subject is used */
1563                if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject"))
1564                    return 0;
1565            } else {
1566                CMP_warn1("-subject %s since -ref or -cert is given", msg);
1567            }
1568        }
1569        if (opt_issuer != NULL)
1570            CMP_warn1("-issuer %s", msg);
1571        if (opt_reqexts != NULL)
1572            CMP_warn1("-reqexts %s", msg);
1573        if (opt_san_nodefault)
1574            CMP_warn1("-san_nodefault %s", msg);
1575        if (opt_sans != NULL)
1576            CMP_warn1("-sans %s", msg);
1577        if (opt_policies != NULL)
1578            CMP_warn1("-policies %s", msg);
1579        if (opt_policy_oids != NULL)
1580            CMP_warn1("-policy_oids %s", msg);
1581    }
1582    if (opt_cmd == CMP_KUR) {
1583        char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
1584
1585        if (ref_cert == NULL && opt_csr == NULL) {
1586            CMP_err("missing -oldcert for certificate to be updated and no -csr given");
1587            return 0;
1588        }
1589        if (opt_subject != NULL)
1590            CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR",
1591                      opt_subject, ref_cert != NULL ? ref_cert : opt_csr);
1592    }
1593    if (opt_cmd == CMP_RR) {
1594        if (opt_oldcert == NULL && opt_csr == NULL) {
1595            CMP_err("missing -oldcert for certificate to be revoked and no -csr given");
1596            return 0;
1597        }
1598        if (opt_oldcert != NULL && opt_csr != NULL)
1599            CMP_warn("ignoring -csr since certificate to be revoked is given");
1600    }
1601    if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
1602        CMP_err("missing PKCS#10 CSR for p10cr");
1603        return 0;
1604    }
1605
1606    if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
1607            && opt_oldcert == NULL && opt_cert == NULL)
1608        CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
1609
1610    if (opt_cmd == CMP_P10CR || opt_cmd == CMP_RR) {
1611        const char *msg = "option is ignored for 'p10cr' and 'rr' commands";
1612
1613        if (opt_newkeypass != NULL)
1614            CMP_warn1("-newkeytype %s", msg);
1615        if (opt_newkey != NULL)
1616            CMP_warn1("-newkey %s", msg);
1617        if (opt_days != 0)
1618            CMP_warn1("-days %s", msg);
1619        if (opt_popo != OSSL_CRMF_POPO_NONE - 1)
1620            CMP_warn1("-popo %s", msg);
1621    } else if (opt_newkey != NULL) {
1622        const char *file = opt_newkey;
1623        const int format = opt_keyform;
1624        const char *pass = opt_newkeypass;
1625        const char *desc = "new private key for cert to be enrolled";
1626        EVP_PKEY *pkey;
1627        int priv = 1;
1628        BIO *bio_bak = bio_err;
1629
1630        bio_err = NULL; /* suppress diagnostics on first try loading key */
1631        pkey = load_key_pwd(file, format, pass, engine, desc);
1632        bio_err = bio_bak;
1633        if (pkey == NULL) {
1634            ERR_clear_error();
1635            desc = opt_csr == NULL
1636            ? "fallback public key for cert to be enrolled"
1637            : "public key for checking cert resulting from p10cr";
1638            pkey = load_pubkey(file, format, 0, pass, engine, desc);
1639            priv = 0;
1640        }
1641        cleanse(opt_newkeypass);
1642        if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
1643            EVP_PKEY_free(pkey);
1644            return 0;
1645        }
1646    }
1647
1648    if (opt_days > 0
1649            && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
1650                                        opt_days)) {
1651        CMP_err("could not set requested cert validity period");
1652        return 0;
1653    }
1654
1655    if (opt_policies != NULL && opt_policy_oids != NULL) {
1656        CMP_err("cannot have policies both via -policies and via -policy_oids");
1657        return 0;
1658    }
1659
1660    if (opt_csr != NULL) {
1661        if (opt_cmd == CMP_GENM) {
1662            CMP_warn("-csr option is ignored for command 'genm'");
1663        } else {
1664            if ((csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR")) == NULL)
1665                return 0;
1666            if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr))
1667                goto oom;
1668        }
1669    }
1670    if (opt_reqexts != NULL || opt_policies != NULL) {
1671        if ((exts = sk_X509_EXTENSION_new_null()) == NULL)
1672            goto oom;
1673        X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE);
1674        X509V3_set_nconf(&ext_ctx, conf);
1675        if (opt_reqexts != NULL
1676            && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
1677            CMP_err1("cannot load certificate request extension section '%s'",
1678                     opt_reqexts);
1679            goto exts_err;
1680        }
1681        if (opt_policies != NULL
1682            && !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
1683            CMP_err1("cannot load policy cert request extension section '%s'",
1684                     opt_policies);
1685            goto exts_err;
1686        }
1687        OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
1688    }
1689    X509_REQ_free(csr);
1690    /* After here, must not goto oom/exts_err */
1691
1692    if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
1693        CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
1694        return 0;
1695    }
1696    if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
1697        return 0;
1698
1699    if (opt_san_nodefault) {
1700        if (opt_sans != NULL)
1701            CMP_warn("-opt_san_nodefault has no effect when -sans is used");
1702        (void)OSSL_CMP_CTX_set_option(ctx,
1703                                      OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
1704    }
1705
1706    if (opt_policy_oids_critical) {
1707        if (opt_policy_oids == NULL)
1708            CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
1709        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
1710    }
1711
1712    while (opt_policy_oids != NULL) {
1713        ASN1_OBJECT *policy;
1714        POLICYINFO *pinfo;
1715        char *next = next_item(opt_policy_oids);
1716
1717        if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
1718            CMP_err1("unknown policy OID '%s'", opt_policy_oids);
1719            return 0;
1720        }
1721
1722        if ((pinfo = POLICYINFO_new()) == NULL) {
1723            ASN1_OBJECT_free(policy);
1724            return 0;
1725        }
1726        pinfo->policyid = policy;
1727
1728        if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
1729            CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
1730            POLICYINFO_free(pinfo);
1731            return 0;
1732        }
1733        opt_policy_oids = next;
1734    }
1735
1736    if (opt_popo >= OSSL_CRMF_POPO_NONE)
1737        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
1738
1739    if (opt_oldcert != NULL) {
1740        if (opt_cmd == CMP_GENM) {
1741            CMP_warn("-oldcert option is ignored for command 'genm'");
1742        } else {
1743            X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
1744                                          opt_cmd == CMP_KUR ?
1745                                          "certificate to be updated" :
1746                                          opt_cmd == CMP_RR ?
1747                                          "certificate to be revoked" :
1748                                          "reference certificate (oldcert)");
1749            /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */
1750
1751            if (oldcert == NULL)
1752                return 0;
1753            if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
1754                X509_free(oldcert);
1755                CMP_err("out of memory");
1756                return 0;
1757            }
1758            X509_free(oldcert);
1759        }
1760    }
1761    cleanse(opt_keypass);
1762    if (opt_revreason > CRL_REASON_NONE)
1763        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
1764                                      opt_revreason);
1765
1766    return 1;
1767
1768 oom:
1769    CMP_err("out of memory");
1770 exts_err:
1771    sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1772    X509_REQ_free(csr);
1773    return 0;
1774}
1775
1776static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
1777{
1778    long value;
1779    ASN1_OBJECT *type;
1780    ASN1_INTEGER *aint;
1781    ASN1_TYPE *val;
1782    OSSL_CMP_ITAV *itav;
1783    char *endstr;
1784    char *valptr = strchr(opt_geninfo, ':');
1785
1786    if (valptr == NULL) {
1787        CMP_err("missing ':' in -geninfo option");
1788        return 0;
1789    }
1790    valptr[0] = '\0';
1791    valptr++;
1792
1793    if (OPENSSL_strncasecmp(valptr, "int:", 4) != 0) {
1794        CMP_err("missing 'int:' in -geninfo option");
1795        return 0;
1796    }
1797    valptr += 4;
1798
1799    value = strtol(valptr, &endstr, 10);
1800    if (endstr == valptr || *endstr != '\0') {
1801        CMP_err("cannot parse int in -geninfo option");
1802        return 0;
1803    }
1804
1805    type = OBJ_txt2obj(opt_geninfo, 1);
1806    if (type == NULL) {
1807        CMP_err("cannot parse OID in -geninfo option");
1808        return 0;
1809    }
1810
1811    if ((aint = ASN1_INTEGER_new()) == NULL)
1812        goto oom;
1813
1814    val = ASN1_TYPE_new();
1815    if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
1816        ASN1_INTEGER_free(aint);
1817        goto oom;
1818    }
1819    ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
1820    itav = OSSL_CMP_ITAV_create(type, val);
1821    if (itav == NULL) {
1822        ASN1_TYPE_free(val);
1823        goto oom;
1824    }
1825
1826    if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
1827        OSSL_CMP_ITAV_free(itav);
1828        return 0;
1829    }
1830    return 1;
1831
1832 oom:
1833    ASN1_OBJECT_free(type);
1834    CMP_err("out of memory");
1835    return 0;
1836}
1837
1838
1839/*
1840 * set up the client-side OSSL_CMP_CTX based on options from config file/CLI
1841 * while parsing options and checking their consistency.
1842 * Prints reason for error to bio_err.
1843 * Returns 1 on success, 0 on error
1844 */
1845static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
1846{
1847    int ret = 0;
1848    char *host = NULL, *port = NULL, *path = NULL, *used_path = opt_path;
1849#ifndef OPENSSL_NO_SOCK
1850    int portnum, ssl;
1851    static char server_port[32] = { '\0' };
1852    const char *proxy_host = NULL;
1853#endif
1854    char server_buf[200] = "mock server";
1855    char proxy_buf[200] = "";
1856
1857    if (!opt_use_mock_srv && opt_rspin == NULL) { /* note: -port is not given */
1858#ifndef OPENSSL_NO_SOCK
1859        if (opt_server == NULL) {
1860            CMP_err("missing -server or -use_mock_srv or -rspin option");
1861            goto err;
1862        }
1863#else
1864        CMP_err("missing -use_mock_srv or -rspin option; -server option is not supported due to no-sock build");
1865        goto err;
1866#endif
1867    }
1868#ifndef OPENSSL_NO_SOCK
1869    if (opt_server == NULL) {
1870        if (opt_proxy != NULL)
1871            CMP_warn("ignoring -proxy option since -server is not given");
1872        if (opt_no_proxy != NULL)
1873            CMP_warn("ignoring -no_proxy option since -server is not given");
1874        if (opt_tls_used) {
1875            CMP_warn("ignoring -tls_used option since -server is not given");
1876            opt_tls_used = 0;
1877        }
1878        goto set_path;
1879    }
1880    if (!OSSL_HTTP_parse_url(opt_server, &ssl, NULL /* user */, &host, &port,
1881                             &portnum, &path, NULL /* q */, NULL /* frag */)) {
1882        CMP_err1("cannot parse -server URL: %s", opt_server);
1883        goto err;
1884    }
1885    if (ssl && !opt_tls_used) {
1886        CMP_err("missing -tls_used option since -server URL indicates https");
1887        goto err;
1888    }
1889
1890    BIO_snprintf(server_port, sizeof(server_port), "%s", port);
1891    if (opt_path == NULL)
1892        used_path = path;
1893    if (!OSSL_CMP_CTX_set1_server(ctx, host)
1894            || !OSSL_CMP_CTX_set_serverPort(ctx, portnum))
1895        goto oom;
1896    if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
1897        goto oom;
1898    if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
1899        goto oom;
1900    (void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s:%s/%s",
1901                       opt_tls_used ? "s" : "", host, port,
1902                       *used_path == '/' ? used_path + 1 : used_path);
1903
1904    proxy_host = OSSL_HTTP_adapt_proxy(opt_proxy, opt_no_proxy, host, ssl);
1905    if (proxy_host != NULL)
1906        (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", proxy_host);
1907
1908 set_path:
1909#endif
1910
1911    if (!OSSL_CMP_CTX_set1_serverPath(ctx, used_path))
1912        goto oom;
1913    if (!transform_opts())
1914        goto err;
1915
1916    if (opt_infotype_s != NULL) {
1917        char id_buf[100] = "id-it-";
1918
1919        strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
1920        if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
1921            CMP_err("unknown OID name in -infotype option");
1922            goto err;
1923        }
1924    }
1925
1926    if (!setup_verification_ctx(ctx))
1927        goto err;
1928
1929    if (opt_keep_alive != 1)
1930        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_KEEP_ALIVE,
1931                                      opt_keep_alive);
1932    if (opt_total_timeout > 0 && opt_msg_timeout > 0
1933            && opt_total_timeout < opt_msg_timeout) {
1934        CMP_err2("-total_timeout argument = %d must not be < %d (-msg_timeout)",
1935                 opt_total_timeout, opt_msg_timeout);
1936        goto err;
1937    }
1938    if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
1939        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
1940                                      opt_msg_timeout);
1941    if (opt_total_timeout >= 0)
1942        (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
1943                                      opt_total_timeout);
1944
1945    if (opt_rspin != NULL) {
1946        rspin_in_use = 1;
1947        if (opt_reqin != NULL)
1948            CMP_warn("-reqin is ignored since -rspin is present");
1949    }
1950    if (opt_reqin_new_tid && opt_reqin == NULL)
1951        CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
1952    if (opt_reqin != NULL || opt_reqout != NULL
1953            || opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
1954        (void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
1955
1956#ifndef OPENSSL_NO_SOCK
1957    if (opt_tls_used) {
1958        APP_HTTP_TLS_INFO *info;
1959
1960        if (opt_tls_cert != NULL
1961            || opt_tls_key != NULL || opt_tls_keypass != NULL) {
1962            if (opt_tls_key == NULL) {
1963                CMP_err("missing -tls_key option");
1964                goto err;
1965            } else if (opt_tls_cert == NULL) {
1966                CMP_err("missing -tls_cert option");
1967                goto err;
1968            }
1969        }
1970
1971        if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
1972            goto err;
1973        (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
1974        info->ssl_ctx = setup_ssl_ctx(ctx, host, engine);
1975        info->server = host;
1976        host = NULL; /* prevent deallocation */
1977        if ((info->port = OPENSSL_strdup(server_port)) == NULL)
1978            goto err;
1979        /* workaround for callback design flaw, see #17088: */
1980        info->use_proxy = proxy_host != NULL;
1981        info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
1982
1983        if (info->ssl_ctx == NULL)
1984            goto err;
1985        (void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
1986    }
1987#endif
1988
1989    if (!setup_protection_ctx(ctx, engine))
1990        goto err;
1991
1992    if (!setup_request_ctx(ctx, engine))
1993        goto err;
1994
1995    if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
1996            || !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
1997                         ctx, "expected sender"))
1998        goto err;
1999
2000    if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
2001        goto err;
2002
2003    /* not printing earlier, to minimize confusion in case setup fails before */
2004    if (opt_rspin != NULL)
2005        CMP_info2("will contact %s%s "
2006                  "only if -rspin argument gives too few filenames",
2007                  server_buf, proxy_buf);
2008    else
2009        CMP_info2("will contact %s%s", server_buf, proxy_buf);
2010
2011    ret = 1;
2012
2013 err:
2014    OPENSSL_free(host);
2015    OPENSSL_free(port);
2016    OPENSSL_free(path);
2017    return ret;
2018 oom:
2019    CMP_err("out of memory");
2020    goto err;
2021}
2022
2023/*
2024 * write out the given certificate to the output specified by bio.
2025 * Depending on options use either PEM or DER format.
2026 * Returns 1 on success, 0 on error
2027 */
2028static int write_cert(BIO *bio, X509 *cert)
2029{
2030    if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
2031            || (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
2032        return 1;
2033    if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
2034        BIO_printf(bio_err,
2035                   "error: unsupported type '%s' for writing certificates\n",
2036                   opt_certform_s);
2037    return 0;
2038}
2039
2040/*
2041 * If destFile != NULL writes out a stack of certs to the given file.
2042 * In any case frees the certs.
2043 * Depending on options use either PEM or DER format,
2044 * where DER does not make much sense for writing more than one cert!
2045 * Returns number of written certificates on success, -1 on error.
2046 */
2047static int save_free_certs(OSSL_CMP_CTX *ctx,
2048                           STACK_OF(X509) *certs, char *destFile, char *desc)
2049{
2050    BIO *bio = NULL;
2051    int i;
2052    int n = sk_X509_num(certs);
2053
2054    if (destFile == NULL)
2055        goto end;
2056    CMP_info3("received %d %s certificate(s), saving to file '%s'",
2057              n, desc, destFile);
2058    if (n > 1 && opt_certform != FORMAT_PEM)
2059        CMP_warn("saving more than one certificate in non-PEM format");
2060
2061    if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
2062            || !BIO_write_filename(bio, (char *)destFile)) {
2063        CMP_err1("could not open file '%s' for writing", destFile);
2064        n = -1;
2065        goto end;
2066    }
2067
2068    for (i = 0; i < n; i++) {
2069        if (!write_cert(bio, sk_X509_value(certs, i))) {
2070            CMP_err1("cannot write certificate to file '%s'", destFile);
2071            n = -1;
2072            goto end;
2073        }
2074    }
2075
2076 end:
2077    BIO_free(bio);
2078    sk_X509_pop_free(certs, X509_free);
2079    return n;
2080}
2081
2082static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
2083{
2084    OSSL_CMP_ITAV *itav = NULL;
2085    char buf[128];
2086    int i, r;
2087    int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
2088
2089    if (n == 0) {
2090        CMP_info("genp contains no ITAV");
2091        return;
2092    }
2093
2094    for (i = 0; i < n; i++) {
2095        itav = sk_OSSL_CMP_ITAV_value(itavs, i);
2096        r = OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
2097        if (r < 0)
2098            CMP_err("could not get ITAV details");
2099        else if (r == 0)
2100            CMP_info("genp contains empty ITAV");
2101        else
2102            CMP_info1("genp contains ITAV of type: %s", buf);
2103    }
2104}
2105
2106static char opt_item[SECTION_NAME_MAX + 1];
2107/* get previous name from a comma or space-separated list of names */
2108static const char *prev_item(const char *opt, const char *end)
2109{
2110    const char *beg;
2111    size_t len;
2112
2113    if (end == opt)
2114        return NULL;
2115    beg = end;
2116    while (beg > opt) {
2117        --beg;
2118        if (beg[0] == ',' || isspace(_UC(beg[0]))) {
2119            ++beg;
2120            break;
2121        }
2122    }
2123    len = end - beg;
2124    if (len > SECTION_NAME_MAX) {
2125        CMP_warn3("using only first %d characters of section name starting with \"%.*s\"",
2126                  SECTION_NAME_MAX, SECTION_NAME_MAX, beg);
2127        len = SECTION_NAME_MAX;
2128    }
2129    memcpy(opt_item, beg, len);
2130    opt_item[len] = '\0';
2131    while (beg > opt) {
2132        --beg;
2133        if (beg[0] != ',' && !isspace(_UC(beg[0]))) {
2134            ++beg;
2135            break;
2136        }
2137    }
2138    return beg;
2139}
2140
2141/* get str value for name from a comma-separated hierarchy of config sections */
2142static char *conf_get_string(const CONF *src_conf, const char *groups,
2143                             const char *name)
2144{
2145    char *res = NULL;
2146    const char *end = groups + strlen(groups);
2147
2148    while ((end = prev_item(groups, end)) != NULL) {
2149        if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
2150            return res;
2151        ERR_clear_error();
2152    }
2153    return res;
2154}
2155
2156/* get long val for name from a comma-separated hierarchy of config sections */
2157static int conf_get_number_e(const CONF *conf_, const char *groups,
2158                             const char *name, long *result)
2159{
2160    char *str = conf_get_string(conf_, groups, name);
2161    char *tailptr;
2162    long res;
2163
2164    if (str == NULL || *str == '\0')
2165        return 0;
2166
2167    res = strtol(str, &tailptr, 10);
2168    if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
2169        return 0;
2170
2171    *result = res;
2172    return 1;
2173}
2174
2175/*
2176 * use the command line option table to read values from the CMP section
2177 * of openssl.cnf.  Defaults are taken from the config file, they can be
2178 * overwritten on the command line.
2179 */
2180static int read_config(void)
2181{
2182    unsigned int i;
2183    long num = 0;
2184    char *txt = NULL;
2185    const OPTIONS *opt;
2186    int start_opt = OPT_VERBOSITY - OPT_HELP;
2187    int start_idx = OPT_VERBOSITY - 2;
2188    /*
2189     * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION
2190     * would not make sense within the config file.
2191     */
2192    int n_options = OSSL_NELEM(cmp_options) - 1;
2193
2194    for (opt = &cmp_options[start_opt], i = start_idx;
2195         opt->name != NULL; i++, opt++)
2196        if (!strcmp(opt->name, OPT_SECTION_STR)
2197                || !strcmp(opt->name, OPT_MORE_STR))
2198            n_options--;
2199    OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options
2200                 + OPT_PROV__FIRST + 1 - OPT_PROV__LAST
2201                 + OPT_R__FIRST + 1 - OPT_R__LAST
2202                 + OPT_V__FIRST + 1 - OPT_V__LAST);
2203    for (opt = &cmp_options[start_opt], i = start_idx;
2204         opt->name != NULL; i++, opt++) {
2205        int provider_option = (OPT_PROV__FIRST <= opt->retval
2206                               && opt->retval < OPT_PROV__LAST);
2207        int rand_state_option = (OPT_R__FIRST <= opt->retval
2208                                 && opt->retval < OPT_R__LAST);
2209        int verification_option = (OPT_V__FIRST <= opt->retval
2210                                   && opt->retval < OPT_V__LAST);
2211
2212        if (strcmp(opt->name, OPT_SECTION_STR) == 0
2213                || strcmp(opt->name, OPT_MORE_STR) == 0) {
2214            i--;
2215            continue;
2216        }
2217        if (provider_option || rand_state_option || verification_option)
2218            i--;
2219        switch (opt->valtype) {
2220        case '-':
2221        case 'p':
2222        case 'n':
2223        case 'N':
2224        case 'l':
2225            if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
2226                ERR_clear_error();
2227                continue; /* option not provided */
2228            }
2229            if (opt->valtype == 'p' && num <= 0) {
2230                opt_printf_stderr("Non-positive number \"%ld\" for config option -%s\n",
2231                                  num, opt->name);
2232                return -1;
2233            }
2234            if (opt->valtype == 'N' && num < 0) {
2235                opt_printf_stderr("Negative number \"%ld\" for config option -%s\n",
2236                                  num, opt->name);
2237                return -1;
2238            }
2239            break;
2240        case 's':
2241        case '>':
2242        case 'M':
2243            txt = conf_get_string(conf, opt_section, opt->name);
2244            if (txt == NULL) {
2245                ERR_clear_error();
2246                continue; /* option not provided */
2247            }
2248            break;
2249        default:
2250            CMP_err2("internal: unsupported type '%c' for option '%s'",
2251                     opt->valtype, opt->name);
2252            return 0;
2253            break;
2254        }
2255        if (provider_option || verification_option) {
2256            int conf_argc = 1;
2257            char *conf_argv[3];
2258            char arg1[82];
2259
2260            BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
2261            conf_argv[0] = prog;
2262            conf_argv[1] = arg1;
2263            if (opt->valtype == '-') {
2264                if (num != 0)
2265                    conf_argc = 2;
2266            } else {
2267                conf_argc = 3;
2268                conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
2269                /* not NULL */
2270            }
2271            if (conf_argc > 1) {
2272                (void)opt_init(conf_argc, conf_argv, cmp_options);
2273
2274                if (provider_option
2275                    ? !opt_provider(opt_next())
2276                    : !opt_verify(opt_next(), vpm)) {
2277                    CMP_err2("for option '%s' in config file section '%s'",
2278                             opt->name, opt_section);
2279                    return 0;
2280                }
2281            }
2282        } else {
2283            switch (opt->valtype) {
2284            case '-':
2285            case 'p':
2286            case 'n':
2287            case 'N':
2288                if (num < INT_MIN || INT_MAX < num) {
2289                    BIO_printf(bio_err,
2290                               "integer value out of range for option '%s'\n",
2291                               opt->name);
2292                    return 0;
2293                }
2294                *cmp_vars[i].num = (int)num;
2295                break;
2296            case 'l':
2297                *cmp_vars[i].num_long = num;
2298                break;
2299            default:
2300                if (txt != NULL && txt[0] == '\0')
2301                    txt = NULL; /* reset option on empty string input */
2302                *cmp_vars[i].txt = txt;
2303                break;
2304            }
2305        }
2306    }
2307
2308    return 1;
2309}
2310
2311static char *opt_str(void)
2312{
2313    char *arg = opt_arg();
2314
2315    if (arg[0] == '\0') {
2316        CMP_warn1("%s option argument is empty string, resetting option",
2317                  opt_flag());
2318        arg = NULL;
2319    } else if (arg[0] == '-') {
2320        CMP_warn1("%s option argument starts with hyphen", opt_flag());
2321    }
2322    return arg;
2323}
2324
2325/* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
2326static int get_opts(int argc, char **argv)
2327{
2328    OPTION_CHOICE o;
2329
2330    prog = opt_init(argc, argv, cmp_options);
2331
2332    while ((o = opt_next()) != OPT_EOF) {
2333        switch (o) {
2334        case OPT_EOF:
2335        case OPT_ERR:
2336 opthelp:
2337            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
2338            return 0;
2339        case OPT_HELP:
2340            opt_help(cmp_options);
2341            return -1;
2342        case OPT_CONFIG: /* has already been handled */
2343        case OPT_SECTION: /* has already been handled */
2344            break;
2345        case OPT_VERBOSITY:
2346            if (!set_verbosity(opt_int_arg()))
2347                goto opthelp;
2348            break;
2349#ifndef OPENSSL_NO_SOCK
2350        case OPT_SERVER:
2351            opt_server = opt_str();
2352            break;
2353        case OPT_PROXY:
2354            opt_proxy = opt_str();
2355            break;
2356        case OPT_NO_PROXY:
2357            opt_no_proxy = opt_str();
2358            break;
2359#endif
2360        case OPT_RECIPIENT:
2361            opt_recipient = opt_str();
2362            break;
2363        case OPT_PATH:
2364            opt_path = opt_str();
2365            break;
2366        case OPT_KEEP_ALIVE:
2367            opt_keep_alive = opt_int_arg();
2368            if (opt_keep_alive > 2) {
2369                CMP_err("-keep_alive argument must be 0, 1, or 2");
2370                goto opthelp;
2371            }
2372            break;
2373        case OPT_MSG_TIMEOUT:
2374            opt_msg_timeout = opt_int_arg();
2375            break;
2376        case OPT_TOTAL_TIMEOUT:
2377            opt_total_timeout = opt_int_arg();
2378            break;
2379#ifndef OPENSSL_NO_SOCK
2380        case OPT_TLS_USED:
2381            opt_tls_used = 1;
2382            break;
2383        case OPT_TLS_CERT:
2384            opt_tls_cert = opt_str();
2385            break;
2386        case OPT_TLS_KEY:
2387            opt_tls_key = opt_str();
2388            break;
2389        case OPT_TLS_KEYPASS:
2390            opt_tls_keypass = opt_str();
2391            break;
2392        case OPT_TLS_EXTRA:
2393            opt_tls_extra = opt_str();
2394            break;
2395        case OPT_TLS_TRUSTED:
2396            opt_tls_trusted = opt_str();
2397            break;
2398        case OPT_TLS_HOST:
2399            opt_tls_host = opt_str();
2400            break;
2401#endif
2402
2403        case OPT_REF:
2404            opt_ref = opt_str();
2405            break;
2406        case OPT_SECRET:
2407            opt_secret = opt_str();
2408            break;
2409        case OPT_CERT:
2410            opt_cert = opt_str();
2411            break;
2412        case OPT_OWN_TRUSTED:
2413            opt_own_trusted = opt_str();
2414            break;
2415        case OPT_KEY:
2416            opt_key = opt_str();
2417            break;
2418        case OPT_KEYPASS:
2419            opt_keypass = opt_str();
2420            break;
2421        case OPT_DIGEST:
2422            opt_digest = opt_str();
2423            break;
2424        case OPT_MAC:
2425            opt_mac = opt_str();
2426            break;
2427        case OPT_EXTRACERTS:
2428            opt_extracerts = opt_str();
2429            break;
2430        case OPT_UNPROTECTED_REQUESTS:
2431            opt_unprotected_requests = 1;
2432            break;
2433
2434        case OPT_TRUSTED:
2435            opt_trusted = opt_str();
2436            break;
2437        case OPT_UNTRUSTED:
2438            opt_untrusted = opt_str();
2439            break;
2440        case OPT_SRVCERT:
2441            opt_srvcert = opt_str();
2442            break;
2443        case OPT_EXPECT_SENDER:
2444            opt_expect_sender = opt_str();
2445            break;
2446        case OPT_IGNORE_KEYUSAGE:
2447            opt_ignore_keyusage = 1;
2448            break;
2449        case OPT_UNPROTECTED_ERRORS:
2450            opt_unprotected_errors = 1;
2451            break;
2452        case OPT_EXTRACERTSOUT:
2453            opt_extracertsout = opt_str();
2454            break;
2455        case OPT_CACERTSOUT:
2456            opt_cacertsout = opt_str();
2457            break;
2458
2459        case OPT_V_CASES:
2460            if (!opt_verify(o, vpm))
2461                goto opthelp;
2462            break;
2463        case OPT_CMD:
2464            opt_cmd_s = opt_str();
2465            break;
2466        case OPT_INFOTYPE:
2467            opt_infotype_s = opt_str();
2468            break;
2469        case OPT_GENINFO:
2470            opt_geninfo = opt_str();
2471            break;
2472
2473        case OPT_NEWKEY:
2474            opt_newkey = opt_str();
2475            break;
2476        case OPT_NEWKEYPASS:
2477            opt_newkeypass = opt_str();
2478            break;
2479        case OPT_SUBJECT:
2480            opt_subject = opt_str();
2481            break;
2482        case OPT_ISSUER:
2483            opt_issuer = opt_str();
2484            break;
2485        case OPT_DAYS:
2486            opt_days = opt_int_arg();
2487            break;
2488        case OPT_REQEXTS:
2489            opt_reqexts = opt_str();
2490            break;
2491        case OPT_SANS:
2492            opt_sans = opt_str();
2493            break;
2494        case OPT_SAN_NODEFAULT:
2495            opt_san_nodefault = 1;
2496            break;
2497        case OPT_POLICIES:
2498            opt_policies = opt_str();
2499            break;
2500        case OPT_POLICY_OIDS:
2501            opt_policy_oids = opt_str();
2502            break;
2503        case OPT_POLICY_OIDS_CRITICAL:
2504            opt_policy_oids_critical = 1;
2505            break;
2506        case OPT_POPO:
2507            opt_popo = opt_int_arg();
2508            if (opt_popo < OSSL_CRMF_POPO_NONE
2509                    || opt_popo > OSSL_CRMF_POPO_KEYENC) {
2510                CMP_err("invalid popo spec. Valid values are -1 .. 2");
2511                goto opthelp;
2512            }
2513            break;
2514        case OPT_CSR:
2515            opt_csr = opt_str();
2516            break;
2517        case OPT_OUT_TRUSTED:
2518            opt_out_trusted = opt_str();
2519            break;
2520        case OPT_IMPLICIT_CONFIRM:
2521            opt_implicit_confirm = 1;
2522            break;
2523        case OPT_DISABLE_CONFIRM:
2524            opt_disable_confirm = 1;
2525            break;
2526        case OPT_CERTOUT:
2527            opt_certout = opt_str();
2528            break;
2529        case OPT_CHAINOUT:
2530            opt_chainout = opt_str();
2531            break;
2532        case OPT_OLDCERT:
2533            opt_oldcert = opt_str();
2534            break;
2535        case OPT_REVREASON:
2536            opt_revreason = opt_int_arg();
2537                if (opt_revreason < CRL_REASON_NONE
2538                    || opt_revreason > CRL_REASON_AA_COMPROMISE
2539                    || opt_revreason == 7) {
2540                CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
2541                goto opthelp;
2542            }
2543            break;
2544        case OPT_CERTFORM:
2545            opt_certform_s = opt_str();
2546            break;
2547        case OPT_KEYFORM:
2548            opt_keyform_s = opt_str();
2549            break;
2550        case OPT_OTHERPASS:
2551            opt_otherpass = opt_str();
2552            break;
2553#ifndef OPENSSL_NO_ENGINE
2554        case OPT_ENGINE:
2555            opt_engine = opt_str();
2556            break;
2557#endif
2558        case OPT_PROV_CASES:
2559            if (!opt_provider(o))
2560                goto opthelp;
2561            break;
2562        case OPT_R_CASES:
2563            if (!opt_rand(o))
2564                goto opthelp;
2565            break;
2566
2567        case OPT_BATCH:
2568            opt_batch = 1;
2569            break;
2570        case OPT_REPEAT:
2571            opt_repeat = opt_int_arg();
2572            break;
2573        case OPT_REQIN:
2574            opt_reqin = opt_str();
2575            break;
2576        case OPT_REQIN_NEW_TID:
2577            opt_reqin_new_tid = 1;
2578            break;
2579        case OPT_REQOUT:
2580            opt_reqout = opt_str();
2581            break;
2582        case OPT_RSPIN:
2583            opt_rspin = opt_str();
2584            break;
2585        case OPT_RSPOUT:
2586            opt_rspout = opt_str();
2587            break;
2588        case OPT_USE_MOCK_SRV:
2589            opt_use_mock_srv = 1;
2590            break;
2591
2592#ifndef OPENSSL_NO_SOCK
2593        case OPT_PORT:
2594            opt_port = opt_str();
2595            break;
2596        case OPT_MAX_MSGS:
2597            opt_max_msgs = opt_int_arg();
2598            break;
2599#endif
2600        case OPT_SRV_REF:
2601            opt_srv_ref = opt_str();
2602            break;
2603        case OPT_SRV_SECRET:
2604            opt_srv_secret = opt_str();
2605            break;
2606        case OPT_SRV_CERT:
2607            opt_srv_cert = opt_str();
2608            break;
2609        case OPT_SRV_KEY:
2610            opt_srv_key = opt_str();
2611            break;
2612        case OPT_SRV_KEYPASS:
2613            opt_srv_keypass = opt_str();
2614            break;
2615        case OPT_SRV_TRUSTED:
2616            opt_srv_trusted = opt_str();
2617            break;
2618        case OPT_SRV_UNTRUSTED:
2619            opt_srv_untrusted = opt_str();
2620            break;
2621        case OPT_RSP_CERT:
2622            opt_rsp_cert = opt_str();
2623            break;
2624        case OPT_RSP_EXTRACERTS:
2625            opt_rsp_extracerts = opt_str();
2626            break;
2627        case OPT_RSP_CAPUBS:
2628            opt_rsp_capubs = opt_str();
2629            break;
2630        case OPT_POLL_COUNT:
2631            opt_poll_count = opt_int_arg();
2632            break;
2633        case OPT_CHECK_AFTER:
2634            opt_check_after = opt_int_arg();
2635            break;
2636        case OPT_GRANT_IMPLICITCONF:
2637            opt_grant_implicitconf = 1;
2638            break;
2639        case OPT_PKISTATUS:
2640            opt_pkistatus = opt_int_arg();
2641            break;
2642        case OPT_FAILURE:
2643            opt_failure = opt_int_arg();
2644            break;
2645        case OPT_FAILUREBITS:
2646            opt_failurebits = opt_int_arg();
2647            break;
2648        case OPT_STATUSSTRING:
2649            opt_statusstring = opt_str();
2650            break;
2651        case OPT_SEND_ERROR:
2652            opt_send_error = 1;
2653            break;
2654        case OPT_SEND_UNPROTECTED:
2655            opt_send_unprotected = 1;
2656            break;
2657        case OPT_SEND_UNPROT_ERR:
2658            opt_send_unprot_err = 1;
2659            break;
2660        case OPT_ACCEPT_UNPROTECTED:
2661            opt_accept_unprotected = 1;
2662            break;
2663        case OPT_ACCEPT_UNPROT_ERR:
2664            opt_accept_unprot_err = 1;
2665            break;
2666        case OPT_ACCEPT_RAVERIFIED:
2667            opt_accept_raverified = 1;
2668            break;
2669        }
2670    }
2671
2672    /* No extra args. */
2673    argc = opt_num_rest();
2674    argv = opt_rest();
2675    if (argc != 0)
2676        goto opthelp;
2677    return 1;
2678}
2679
2680#ifndef OPENSSL_NO_SOCK
2681static int cmp_server(OSSL_CMP_CTX *srv_cmp_ctx) {
2682    BIO *acbio;
2683    BIO *cbio = NULL;
2684    int keep_alive = 0;
2685    int msgs = 0;
2686    int retry = 1;
2687    int ret = 1;
2688
2689    if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
2690        return 0;
2691    while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
2692        char *path = NULL;
2693        OSSL_CMP_MSG *req = NULL;
2694        OSSL_CMP_MSG *resp = NULL;
2695
2696        ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
2697                                       (ASN1_VALUE **)&req, &path,
2698                                       &cbio, acbio, &keep_alive,
2699                                       prog, opt_port, 0, 0);
2700        if (ret == 0) { /* no request yet */
2701            if (retry) {
2702                ossl_sleep(1000);
2703                retry = 0;
2704                continue;
2705            }
2706            ret = 0;
2707            goto next;
2708        }
2709        if (ret++ == -1) /* fatal error */
2710            break;
2711
2712        ret = 0;
2713        msgs++;
2714        if (req != NULL) {
2715            if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
2716                (void)http_server_send_status(cbio, 404, "Not Found");
2717                CMP_err1("expecting empty path or 'pkix/' but got '%s'",
2718                         path);
2719                OPENSSL_free(path);
2720                OSSL_CMP_MSG_free(req);
2721                goto next;
2722            }
2723            OPENSSL_free(path);
2724            resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
2725            OSSL_CMP_MSG_free(req);
2726            if (resp == NULL) {
2727                (void)http_server_send_status(cbio,
2728                                              500, "Internal Server Error");
2729                break; /* treated as fatal error */
2730            }
2731            ret = http_server_send_asn1_resp(cbio, keep_alive,
2732                                             "application/pkixcmp",
2733                                             ASN1_ITEM_rptr(OSSL_CMP_MSG),
2734                                             (const ASN1_VALUE *)resp);
2735            OSSL_CMP_MSG_free(resp);
2736            if (!ret)
2737                break; /* treated as fatal error */
2738        }
2739    next:
2740        if (!ret) { /* on transmission error, cancel CMP transaction */
2741            (void)OSSL_CMP_CTX_set1_transactionID(srv_cmp_ctx, NULL);
2742            (void)OSSL_CMP_CTX_set1_senderNonce(srv_cmp_ctx, NULL);
2743        }
2744        if (!ret || !keep_alive
2745            || OSSL_CMP_CTX_get_status(srv_cmp_ctx) != OSSL_CMP_PKISTATUS_trans
2746            /* transaction closed by OSSL_CMP_CTX_server_perform() */) {
2747            BIO_free_all(cbio);
2748            cbio = NULL;
2749        }
2750    }
2751
2752    BIO_free_all(cbio);
2753    BIO_free_all(acbio);
2754    return ret;
2755}
2756#endif
2757
2758static void print_status(void)
2759{
2760    /* print PKIStatusInfo */
2761    int status = OSSL_CMP_CTX_get_status(cmp_ctx);
2762    char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
2763    const char *string =
2764        OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf, OSSL_CMP_PKISI_BUFLEN);
2765    const char *from = "", *server = "";
2766
2767#ifndef OPENSSL_NO_SOCK
2768    if (opt_server != NULL) {
2769        from = " from ";
2770        server = opt_server;
2771    }
2772#endif
2773    CMP_print(bio_err,
2774              status == OSSL_CMP_PKISTATUS_accepted
2775              ? OSSL_CMP_LOG_INFO :
2776              status == OSSL_CMP_PKISTATUS_rejection
2777              || status == OSSL_CMP_PKISTATUS_waiting
2778              ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING,
2779              status == OSSL_CMP_PKISTATUS_accepted ? "info" :
2780              status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
2781              status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
2782              : "warning", "received%s%s %s", from, server,
2783              string != NULL ? string : "<unknown PKIStatus>");
2784    OPENSSL_free(buf);
2785}
2786
2787int cmp_main(int argc, char **argv)
2788{
2789    char *configfile = NULL;
2790    int i;
2791    X509 *newcert = NULL;
2792    ENGINE *engine = NULL;
2793    OSSL_CMP_CTX *srv_cmp_ctx = NULL;
2794    int ret = 0; /* default: failure */
2795
2796    prog = opt_appname(argv[0]);
2797    if (argc <= 1) {
2798        opt_help(cmp_options);
2799        goto err;
2800    }
2801
2802    /*
2803     * handle options -config, -section, and -verbosity upfront
2804     * to take effect for other options
2805     */
2806    for (i = 1; i < argc - 1; i++) {
2807        if (*argv[i] == '-') {
2808            if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
2809                opt_config = argv[++i];
2810            else if (!strcmp(argv[i] + 1,
2811                             cmp_options[OPT_SECTION - OPT_HELP].name))
2812                opt_section = argv[++i];
2813            else if (strcmp(argv[i] + 1,
2814                            cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0
2815                     && !set_verbosity(atoi(argv[++i])))
2816                goto err;
2817        }
2818    }
2819    if (opt_section[0] == '\0') /* empty string */
2820        opt_section = DEFAULT_SECTION;
2821
2822    vpm = X509_VERIFY_PARAM_new();
2823    if (vpm == NULL) {
2824        CMP_err("out of memory");
2825        goto err;
2826    }
2827
2828    /* read default values for options from config file */
2829    configfile = opt_config != NULL ? opt_config : default_config_file;
2830    if (configfile != NULL && configfile[0] != '\0' /* non-empty string */
2831            && (configfile != default_config_file || access(configfile, F_OK) != -1)) {
2832        CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'",
2833                  opt_section, configfile);
2834        conf = app_load_config(configfile);
2835        if (conf == NULL) {
2836            goto err;
2837        } else {
2838            if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
2839                if (!NCONF_get_section(conf, opt_section))
2840                    CMP_info2("no [%s] section found in config file '%s';"
2841                              " will thus use just [default] and unnamed section if present",
2842                              opt_section, configfile);
2843            } else {
2844                const char *end = opt_section + strlen(opt_section);
2845                while ((end = prev_item(opt_section, end)) != NULL) {
2846                    if (!NCONF_get_section(conf, opt_item)) {
2847                        CMP_err2("no [%s] section found in config file '%s'",
2848                                 opt_item, configfile);
2849                        goto err;
2850                    }
2851                }
2852            }
2853            ret = read_config();
2854            if (!set_verbosity(opt_verbosity)) /* just for checking range */
2855                ret = -1;
2856            if (ret <= 0) {
2857                if (ret == -1)
2858                    BIO_printf(bio_err, "Use -help for summary.\n");
2859                goto err;
2860            }
2861        }
2862    }
2863    (void)BIO_flush(bio_err); /* prevent interference with opt_help() */
2864
2865    ret = get_opts(argc, argv);
2866    if (ret <= 0)
2867        goto err;
2868    ret = 0;
2869    if (!app_RAND_load())
2870        goto err;
2871
2872    if (opt_batch)
2873        set_base_ui_method(UI_null());
2874
2875    if (opt_engine != NULL) {
2876        engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
2877        if (engine == NULL) {
2878            CMP_err1("cannot load engine %s", opt_engine);
2879            goto err;
2880        }
2881    }
2882
2883    cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq());
2884    if (cmp_ctx == NULL)
2885        goto err;
2886    OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity);
2887    if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
2888        CMP_err1("cannot set up error reporting and logging for %s", prog);
2889        goto err;
2890    }
2891
2892#ifndef OPENSSL_NO_SOCK
2893    if ((opt_tls_cert != NULL || opt_tls_key != NULL
2894         || opt_tls_keypass != NULL || opt_tls_extra != NULL
2895         || opt_tls_trusted != NULL || opt_tls_host != NULL)
2896            && !opt_tls_used)
2897        CMP_warn("Ingnoring TLS options(s) since -tls_used is not given");
2898    if (opt_port != NULL) {
2899        if (opt_tls_used) {
2900            CMP_err("-tls_used option not supported with -port option");
2901            goto err;
2902        }
2903        if (opt_server != NULL || opt_use_mock_srv) {
2904            CMP_err("The -port option excludes -server and -use_mock_srv");
2905            goto err;
2906        }
2907        if (opt_reqin != NULL || opt_reqout != NULL) {
2908            CMP_err("The -port option does not support -reqin and -reqout");
2909            goto err;
2910        }
2911        if (opt_rspin != NULL || opt_rspout != NULL) {
2912            CMP_err("The -port option does not support -rspin and -rspout");
2913            goto err;
2914        }
2915    }
2916    if (opt_server != NULL && opt_use_mock_srv) {
2917        CMP_err("cannot use both -server and -use_mock_srv options");
2918        goto err;
2919    }
2920#endif
2921
2922    if (opt_use_mock_srv
2923#ifndef OPENSSL_NO_SOCK
2924        || opt_port != NULL
2925#endif
2926        ) {
2927        OSSL_CMP_SRV_CTX *srv_ctx;
2928
2929        if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
2930            goto err;
2931        srv_cmp_ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
2932        OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
2933        if (!OSSL_CMP_CTX_set_log_cb(srv_cmp_ctx, print_to_bio_err)) {
2934            CMP_err1("cannot set up error reporting and logging for %s", prog);
2935            goto err;
2936        }
2937        OSSL_CMP_CTX_set_log_verbosity(srv_cmp_ctx, opt_verbosity);
2938    }
2939
2940#ifndef OPENSSL_NO_SOCK
2941    if (opt_tls_used && (opt_use_mock_srv || opt_server == NULL)) {
2942        CMP_warn("ignoring -tls_used option since -use_mock_srv is given or -server is not given");
2943        opt_tls_used = 0;
2944    }
2945
2946    if (opt_port != NULL) { /* act as very basic CMP HTTP server */
2947        ret = cmp_server(srv_cmp_ctx);
2948        goto err;
2949    }
2950
2951    /* act as CMP client, possibly using internal mock server */
2952
2953    if (opt_rspin != NULL) {
2954        if (opt_server != NULL)
2955            CMP_warn("-server option is not used if enough filenames given for -rspin");
2956        if (opt_use_mock_srv)
2957            CMP_warn("-use_mock_srv option is not used if enough filenames given for -rspin");
2958    }
2959#endif
2960
2961    if (!setup_client_ctx(cmp_ctx, engine)) {
2962        CMP_err("cannot set up CMP context");
2963        goto err;
2964    }
2965    for (i = 0; i < opt_repeat; i++) {
2966        /* everything is ready, now connect and perform the command! */
2967        switch (opt_cmd) {
2968        case CMP_IR:
2969            newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
2970            if (newcert != NULL)
2971                ret = 1;
2972            break;
2973        case CMP_KUR:
2974            newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
2975            if (newcert != NULL)
2976                ret = 1;
2977            break;
2978        case CMP_CR:
2979            newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
2980            if (newcert != NULL)
2981                ret = 1;
2982            break;
2983        case CMP_P10CR:
2984            newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
2985            if (newcert != NULL)
2986                ret = 1;
2987            break;
2988        case CMP_RR:
2989            ret = OSSL_CMP_exec_RR_ses(cmp_ctx);
2990            break;
2991        case CMP_GENM:
2992            {
2993                STACK_OF(OSSL_CMP_ITAV) *itavs;
2994
2995                if (opt_infotype != NID_undef) {
2996                    OSSL_CMP_ITAV *itav =
2997                        OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
2998                    if (itav == NULL)
2999                        goto err;
3000                    OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
3001                }
3002
3003                if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) != NULL) {
3004                    print_itavs(itavs);
3005                    sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
3006                    ret = 1;
3007                }
3008                break;
3009            }
3010        default:
3011            break;
3012        }
3013        if (OSSL_CMP_CTX_get_status(cmp_ctx) < OSSL_CMP_PKISTATUS_accepted)
3014            goto err; /* we got no response, maybe even did not send request */
3015
3016        print_status();
3017        if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx),
3018                            opt_extracertsout, "extra") < 0)
3019            ret = 0;
3020        if (!ret)
3021            goto err;
3022        ret = 0;
3023        if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx),
3024                            opt_cacertsout, "CA") < 0)
3025            goto err;
3026        if (newcert != NULL) {
3027            STACK_OF(X509) *certs = sk_X509_new_null();
3028
3029            if (!X509_add_cert(certs, newcert, X509_ADD_FLAG_UP_REF)) {
3030                sk_X509_free(certs);
3031                goto err;
3032            }
3033            if (save_free_certs(cmp_ctx, certs, opt_certout, "enrolled") < 0)
3034                goto err;
3035        }
3036        if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx),
3037                            opt_chainout, "chain") < 0)
3038            goto err;
3039
3040        if (!OSSL_CMP_CTX_reinit(cmp_ctx))
3041            goto err;
3042    }
3043    ret = 1;
3044
3045 err:
3046    /* in case we ended up here on error without proper cleaning */
3047    cleanse(opt_keypass);
3048    cleanse(opt_newkeypass);
3049    cleanse(opt_otherpass);
3050#ifndef OPENSSL_NO_SOCK
3051    cleanse(opt_tls_keypass);
3052#endif
3053    cleanse(opt_secret);
3054    cleanse(opt_srv_keypass);
3055    cleanse(opt_srv_secret);
3056
3057    if (ret != 1)
3058        OSSL_CMP_CTX_print_errors(cmp_ctx);
3059
3060    if (cmp_ctx != NULL) {
3061#ifndef OPENSSL_NO_SOCK
3062        APP_HTTP_TLS_INFO *info = OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
3063
3064#endif
3065        ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
3066        X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
3067        /* cannot free info already here, as it may be used indirectly by: */
3068        OSSL_CMP_CTX_free(cmp_ctx);
3069#ifndef OPENSSL_NO_SOCK
3070        if (info != NULL) {
3071            OPENSSL_free((char *)info->server);
3072            OPENSSL_free((char *)info->port);
3073            APP_HTTP_TLS_INFO_free(info);
3074        }
3075#endif
3076    }
3077    X509_VERIFY_PARAM_free(vpm);
3078    release_engine(engine);
3079
3080    NCONF_free(conf); /* must not do as long as opt_... variables are used */
3081    OSSL_CMP_log_close();
3082
3083    return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS; /* ret == -1 for -help */
3084}
3085