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cmp.c
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/*
* Copyright 2007-2024 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Nokia 2007-2019
* Copyright Siemens AG 2015-2019
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* This app is disabled when OPENSSL_NO_CMP is defined. */
#include <string.h>
#include <ctype.h>
#include "apps.h"
#include "http_server.h"
#include "s_apps.h"
#include "progs.h"
#include "cmp_mock_srv.h"
/* tweaks needed due to missing unistd.h on Windows */
#if defined(_WIN32) && !defined(__BORLANDC__)
# define access _access
#endif
#ifndef F_OK
# define F_OK 0
#endif
#include <openssl/ui.h>
#include <openssl/pkcs12.h>
#include <openssl/ssl.h>
/* explicit #includes not strictly needed since implied by the above: */
#include <stdlib.h>
#include <openssl/cmp.h>
#include <openssl/cmp_util.h>
#include <openssl/crmf.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/store.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
static char *prog;
static char *opt_config = NULL;
#define CMP_SECTION "cmp"
#define SECTION_NAME_MAX 40 /* max length of section name */
#define DEFAULT_SECTION "default"
static char *opt_section = CMP_SECTION;
static int opt_verbosity = OSSL_CMP_LOG_INFO;
static int read_config(void);
static CONF *conf = NULL; /* OpenSSL config file context structure */
static OSSL_CMP_CTX *cmp_ctx = NULL; /* the client-side CMP context */
/* the type of cmp command we want to send */
typedef enum {
CMP_IR,
CMP_KUR,
CMP_CR,
CMP_P10CR,
CMP_RR,
CMP_GENM
} cmp_cmd_t;
/* message transfer */
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
static char *opt_server = NULL;
static char *opt_proxy = NULL;
static char *opt_no_proxy = NULL;
#endif
static char *opt_recipient = NULL;
static char *opt_path = NULL;
static int opt_keep_alive = 1;
static int opt_msg_timeout = -1;
static int opt_total_timeout = -1;
/* server authentication */
static char *opt_trusted = NULL;
static char *opt_untrusted = NULL;
static char *opt_srvcert = NULL;
static char *opt_expect_sender = NULL;
static int opt_ignore_keyusage = 0;
static int opt_unprotected_errors = 0;
static int opt_no_cache_extracerts = 0;
static char *opt_srvcertout = NULL;
static char *opt_extracertsout = NULL;
static char *opt_cacertsout = NULL;
static char *opt_oldwithold = NULL;
static char *opt_newwithnew = NULL;
static char *opt_newwithold = NULL;
static char *opt_oldwithnew = NULL;
static char *opt_crlcert = NULL;
static char *opt_oldcrl = NULL;
static char *opt_crlout = NULL;
/* client authentication */
static char *opt_ref = NULL;
static char *opt_secret = NULL;
static char *opt_cert = NULL;
static char *opt_own_trusted = NULL;
static char *opt_key = NULL;
static char *opt_keypass = NULL;
static char *opt_digest = NULL;
static char *opt_mac = NULL;
static char *opt_extracerts = NULL;
static int opt_unprotected_requests = 0;
/* generic message */
static char *opt_cmd_s = NULL;
static int opt_cmd = -1;
static char *opt_geninfo = NULL;
static char *opt_infotype_s = NULL;
static int opt_infotype = NID_undef;
static char *opt_profile = NULL;
/* certificate enrollment */
static char *opt_newkey = NULL;
static char *opt_newkeypass = NULL;
static char *opt_subject = NULL;
static int opt_days = 0;
static char *opt_reqexts = NULL;
static char *opt_sans = NULL;
static int opt_san_nodefault = 0;
static char *opt_policies = NULL;
static char *opt_policy_oids = NULL;
static int opt_policy_oids_critical = 0;
static int opt_popo = OSSL_CRMF_POPO_NONE - 1;
static char *opt_csr = NULL;
static char *opt_out_trusted = NULL;
static int opt_implicit_confirm = 0;
static int opt_disable_confirm = 0;
static char *opt_certout = NULL;
static char *opt_chainout = NULL;
/* certificate enrollment and revocation */
static char *opt_oldcert = NULL;
static char *opt_issuer = NULL;
static char *opt_serial = NULL;
static int opt_revreason = CRL_REASON_NONE;
/* credentials format */
static char *opt_certform_s = "PEM";
static int opt_certform = FORMAT_PEM;
/*
* DER format is the preferred choice for saving a CRL because it allows for
* more efficient storage, especially when dealing with large CRLs.
*/
static char *opt_crlform_s = "DER";
static int opt_crlform = FORMAT_ASN1;
static char *opt_keyform_s = NULL;
static int opt_keyform = FORMAT_UNDEF;
static char *opt_otherpass = NULL;
static char *opt_engine = NULL;
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
/* TLS connection */
static int opt_tls_used = 0;
static char *opt_tls_cert = NULL;
static char *opt_tls_key = NULL;
static char *opt_tls_keypass = NULL;
static char *opt_tls_extra = NULL;
static char *opt_tls_trusted = NULL;
static char *opt_tls_host = NULL;
#endif
/* client-side debugging */
static int opt_batch = 0;
static int opt_repeat = 1;
static char *opt_reqin = NULL;
static int opt_reqin_new_tid = 0;
static char *opt_reqout = NULL;
static char *opt_reqout_only = NULL;
static int reqout_only_done = 0;
static char *opt_rspin = NULL;
static int rspin_in_use = 0;
static char *opt_rspout = NULL;
static int opt_use_mock_srv = 0;
/* mock server */
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
static char *opt_port = NULL;
static int opt_max_msgs = 0;
#endif
static char *opt_srv_ref = NULL;
static char *opt_srv_secret = NULL;
static char *opt_srv_cert = NULL;
static char *opt_srv_key = NULL;
static char *opt_srv_keypass = NULL;
static char *opt_srv_trusted = NULL;
static char *opt_srv_untrusted = NULL;
static char *opt_ref_cert = NULL;
static char *opt_rsp_cert = NULL;
static char *opt_rsp_crl = NULL;
static char *opt_rsp_extracerts = NULL;
static char *opt_rsp_capubs = NULL;
static char *opt_rsp_newwithnew = NULL;
static char *opt_rsp_newwithold = NULL;
static char *opt_rsp_oldwithnew = NULL;
static int opt_poll_count = 0;
static int opt_check_after = 1;
static int opt_grant_implicitconf = 0;
static int opt_pkistatus = OSSL_CMP_PKISTATUS_accepted;
static int opt_failure = INT_MIN;
static int opt_failurebits = 0;
static char *opt_statusstring = NULL;
static int opt_send_error = 0;
static int opt_send_unprotected = 0;
static int opt_send_unprot_err = 0;
static int opt_accept_unprotected = 0;
static int opt_accept_unprot_err = 0;
static int opt_accept_raverified = 0;
static X509_VERIFY_PARAM *vpm = NULL;
typedef enum OPTION_choice {
OPT_COMMON,
OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY,
OPT_CMD, OPT_INFOTYPE, OPT_PROFILE, OPT_GENINFO,
OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT,
OPT_DAYS, OPT_REQEXTS,
OPT_SANS, OPT_SAN_NODEFAULT,
OPT_POLICIES, OPT_POLICY_OIDS, OPT_POLICY_OIDS_CRITICAL,
OPT_POPO, OPT_CSR,
OPT_OUT_TRUSTED, OPT_IMPLICIT_CONFIRM, OPT_DISABLE_CONFIRM,
OPT_CERTOUT, OPT_CHAINOUT,
OPT_OLDCERT, OPT_ISSUER, OPT_SERIAL, OPT_REVREASON,
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
OPT_SERVER, OPT_PROXY, OPT_NO_PROXY,
#endif
OPT_RECIPIENT, OPT_PATH,
OPT_KEEP_ALIVE, OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
OPT_EXPECT_SENDER,
OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS, OPT_NO_CACHE_EXTRACERTS,
OPT_SRVCERTOUT, OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
OPT_OLDWITHOLD, OPT_NEWWITHNEW, OPT_NEWWITHOLD, OPT_OLDWITHNEW,
OPT_CRLCERT, OPT_OLDCRL, OPT_CRLOUT,
OPT_REF, OPT_SECRET, OPT_CERT, OPT_OWN_TRUSTED, OPT_KEY, OPT_KEYPASS,
OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
OPT_UNPROTECTED_REQUESTS,
OPT_CERTFORM, OPT_CRLFORM, OPT_KEYFORM,
OPT_OTHERPASS,
#ifndef OPENSSL_NO_ENGINE
OPT_ENGINE,
#endif
OPT_PROV_ENUM,
OPT_R_ENUM,
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
OPT_TLS_KEYPASS,
OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
#endif
OPT_BATCH, OPT_REPEAT,
OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_REQOUT_ONLY,
OPT_RSPIN, OPT_RSPOUT,
OPT_USE_MOCK_SRV,
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
OPT_PORT, OPT_MAX_MSGS,
#endif
OPT_SRV_REF, OPT_SRV_SECRET,
OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
OPT_REF_CERT, OPT_RSP_CERT, OPT_RSP_CRL, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
OPT_RSP_NEWWITHNEW, OPT_RSP_NEWWITHOLD, OPT_RSP_OLDWITHNEW,
OPT_POLL_COUNT, OPT_CHECK_AFTER,
OPT_GRANT_IMPLICITCONF,
OPT_PKISTATUS, OPT_FAILURE,
OPT_FAILUREBITS, OPT_STATUSSTRING,
OPT_SEND_ERROR, OPT_SEND_UNPROTECTED,
OPT_SEND_UNPROT_ERR, OPT_ACCEPT_UNPROTECTED,
OPT_ACCEPT_UNPROT_ERR, OPT_ACCEPT_RAVERIFIED,
OPT_V_ENUM
} OPTION_CHOICE;
const OPTIONS cmp_options[] = {
/* entries must be in the same order as enumerated above!! */
{"help", OPT_HELP, '-', "Display this summary"},
{"config", OPT_CONFIG, 's',
"Configuration file to use. \"\" = none. Default from env variable OPENSSL_CONF"},
{"section", OPT_SECTION, 's',
"Section(s) in config file to get options from. \"\" = 'default'. Default 'cmp'"},
{"verbosity", OPT_VERBOSITY, 'N',
"Log level; 3=ERR, 4=WARN, 6=INFO, 7=DEBUG, 8=TRACE. Default 6 = INFO"},
OPT_SECTION("Generic message"),
{"cmd", OPT_CMD, 's', "CMP request to send: ir/cr/kur/p10cr/rr/genm"},
{"infotype", OPT_INFOTYPE, 's',
"InfoType name for requesting specific info in genm, with specific support"},
{OPT_MORE_STR, 0, 0,
"for 'caCerts' and 'rootCaCert'"},
{"profile", OPT_PROFILE, 's',
"Certificate profile name to place in generalInfo field of request PKIHeader"},
{"geninfo", OPT_GENINFO, 's',
"Comma-separated list of OID and value to place in generalInfo PKIHeader"},
{OPT_MORE_STR, 0, 0,
"of form <OID>:int:<n> or <OID>:str:<s>, e.g. \'1.2.3.4:int:56789, id-kp:str:name'"},
OPT_SECTION("Certificate enrollment"),
{"newkey", OPT_NEWKEY, 's',
"Private or public key for the requested cert. Default: CSR key or client key"},
{"newkeypass", OPT_NEWKEYPASS, 's', "New private key pass phrase source"},
{"subject", OPT_SUBJECT, 's',
"Distinguished Name (DN) of subject to use in the requested cert template"},
{OPT_MORE_STR, 0, 0,
"For kur, default is subject of -csr arg or reference cert (see -oldcert)"},
{OPT_MORE_STR, 0, 0,
"this default is used for ir and cr only if no Subject Alt Names are set"},
{"days", OPT_DAYS, 'N',
"Requested validity time of the new certificate in number of days"},
{"reqexts", OPT_REQEXTS, 's',
"Name of config file section defining certificate request extensions."},
{OPT_MORE_STR, 0, 0,
"Augments or replaces any extensions contained CSR given with -csr"},
{"sans", OPT_SANS, 's',
"Subject Alt Names (IPADDR/DNS/URI) to add as (critical) cert req extension"},
{"san_nodefault", OPT_SAN_NODEFAULT, '-',
"Do not take default SANs from reference certificate (see -oldcert)"},
{"policies", OPT_POLICIES, 's',
"Name of config file section defining policies certificate request extension"},
{"policy_oids", OPT_POLICY_OIDS, 's',
"Policy OID(s) to add as policies certificate request extension"},
{"policy_oids_critical", OPT_POLICY_OIDS_CRITICAL, '-',
"Flag the policy OID(s) given with -policy_oids as critical"},
{"popo", OPT_POPO, 'n',
"Proof-of-Possession (POPO) method to use for ir/cr/kur where"},
{OPT_MORE_STR, 0, 0,
"-1 = NONE, 0 = RAVERIFIED, 1 = SIGNATURE (default), 2 = KEYENC"},
{"csr", OPT_CSR, 's',
"PKCS#10 CSR file in PEM or DER format to convert or to use in p10cr"},
{"out_trusted", OPT_OUT_TRUSTED, 's',
"Certificates to trust when verifying newly enrolled certificates"},
{"implicit_confirm", OPT_IMPLICIT_CONFIRM, '-',
"Request implicit confirmation of newly enrolled certificates"},
{"disable_confirm", OPT_DISABLE_CONFIRM, '-',
"Do not confirm newly enrolled certificate w/o requesting implicit"},
{OPT_MORE_STR, 0, 0,
"confirmation. WARNING: This leads to behavior violating RFC 4210"},
{"certout", OPT_CERTOUT, 's',
"File to save newly enrolled certificate"},
{"chainout", OPT_CHAINOUT, 's',
"File to save the chain of newly enrolled certificate"},
OPT_SECTION("Certificate enrollment and revocation"),
{"oldcert", OPT_OLDCERT, 's',
"Certificate to be updated (defaulting to -cert) or to be revoked in rr;"},
{OPT_MORE_STR, 0, 0,
"also used as reference (defaulting to -cert) for subject DN and SANs."},
{OPT_MORE_STR, 0, 0,
"Issuer is used as recipient unless -recipient, -srvcert, or -issuer given"},
{"issuer", OPT_ISSUER, 's',
"DN of the issuer to place in the certificate template of ir/cr/kur/rr;"},
{OPT_MORE_STR, 0, 0,
"also used as recipient if neither -recipient nor -srvcert are given"},
{"serial", OPT_SERIAL, 's',
"Serial number of certificate to be revoked in revocation request (rr)"},
{"revreason", OPT_REVREASON, 'n',
"Reason code to include in revocation request (rr); possible values:"},
{OPT_MORE_STR, 0, 0,
"0..6, 8..10 (see RFC5280, 5.3.1) or -1. Default -1 = none included"},
OPT_SECTION("Message transfer"),
#if defined(OPENSSL_NO_SOCK) || defined(OPENSSL_NO_HTTP)
{OPT_MORE_STR, 0, 0,
"NOTE: -server, -proxy, and -no_proxy not supported due to no-sock/no-http build"},
#else
{"server", OPT_SERVER, 's',
"[http[s]:https://]address[:port][/path] of CMP server. Default port 80 or 443."},
{OPT_MORE_STR, 0, 0,
"address may be a DNS name or an IP address; path can be overridden by -path"},
{"proxy", OPT_PROXY, 's',
"[http[s]:https://]address[:port][/path] of HTTP(S) proxy to use; path is ignored"},
{"no_proxy", OPT_NO_PROXY, 's',
"List of addresses of servers not to use HTTP(S) proxy for"},
{OPT_MORE_STR, 0, 0,
"Default from environment variable 'no_proxy', else 'NO_PROXY', else none"},
#endif
{"recipient", OPT_RECIPIENT, 's',
"DN of CA. Default: subject of -srvcert, -issuer, issuer of -oldcert or -cert"},
{"path", OPT_PATH, 's',
"HTTP path (aka CMP alias) at the CMP server. Default from -server, else \"/\""},
{"keep_alive", OPT_KEEP_ALIVE, 'N',
"Persistent HTTP connections. 0: no, 1 (the default): request, 2: require"},
{"msg_timeout", OPT_MSG_TIMEOUT, 'N',
"Number of seconds allowed per CMP message round trip, or 0 for infinite"},
{"total_timeout", OPT_TOTAL_TIMEOUT, 'N',
"Overall time an enrollment incl. polling may take. Default 0 = infinite"},
OPT_SECTION("Server authentication"),
{"trusted", OPT_TRUSTED, 's',
"Certificates to use as trust anchors when verifying signed CMP responses"},
{OPT_MORE_STR, 0, 0, "unless -srvcert is given"},
{"untrusted", OPT_UNTRUSTED, 's',
"Intermediate CA certs for chain construction for CMP/TLS/enrolled certs"},
{"srvcert", OPT_SRVCERT, 's',
"Server cert to pin and trust directly when verifying signed CMP responses"},
{"expect_sender", OPT_EXPECT_SENDER, 's',
"DN of expected sender of responses. Defaults to subject of -srvcert, if any"},
{"ignore_keyusage", OPT_IGNORE_KEYUSAGE, '-',
"Ignore CMP signer cert key usage, else 'digitalSignature' must be allowed"},
{"unprotected_errors", OPT_UNPROTECTED_ERRORS, '-',
"Accept missing or invalid protection of regular error messages and negative"},
{OPT_MORE_STR, 0, 0,
"certificate responses (ip/cp/kup), revocation responses (rp), and PKIConf"},
{OPT_MORE_STR, 0, 0,
"WARNING: This setting leads to behavior allowing violation of RFC 4210"},
{"no_cache_extracerts", OPT_NO_CACHE_EXTRACERTS, '-',
"Do not keep certificates received in the extraCerts CMP message field"},
{ "srvcertout", OPT_SRVCERTOUT, 's',
"File to save the server cert used and validated for CMP response protection"},
{"extracertsout", OPT_EXTRACERTSOUT, 's',
"File to save extra certificates received in the extraCerts field"},
{"cacertsout", OPT_CACERTSOUT, 's',
"File to save CA certs received in caPubs field or genp with id-it-caCerts"},
{ "oldwithold", OPT_OLDWITHOLD, 's',
"Root CA certificate to request update for in genm of type rootCaCert"},
{ "newwithnew", OPT_NEWWITHNEW, 's',
"File to save NewWithNew cert received in genp of type rootCaKeyUpdate"},
{ "newwithold", OPT_NEWWITHOLD, 's',
"File to save NewWithOld cert received in genp of type rootCaKeyUpdate"},
{ "oldwithnew", OPT_OLDWITHNEW, 's',
"File to save OldWithNew cert received in genp of type rootCaKeyUpdate"},
{ "crlcert", OPT_CRLCERT, 's',
"certificate to request a CRL for in genm of type crlStatusList"},
{ "oldcrl", OPT_OLDCRL, 's',
"CRL to request update for in genm of type crlStatusList"},
{ "crlout", OPT_CRLOUT, 's',
"File to save new CRL received in genp of type 'crls'"},
OPT_SECTION("Client authentication"),
{"ref", OPT_REF, 's',
"Reference value to use as senderKID in case no -cert is given"},
{"secret", OPT_SECRET, 's',
"Prefer PBM (over signatures) for protecting msgs with given password source"},
{"cert", OPT_CERT, 's',
"Client's CMP signer certificate; its public key must match the -key argument"},
{OPT_MORE_STR, 0, 0,
"This also used as default reference for subject DN and SANs."},
{OPT_MORE_STR, 0, 0,
"Any further certs included are appended to the untrusted certs"},
{"own_trusted", OPT_OWN_TRUSTED, 's',
"Optional certs to verify chain building for own CMP signer cert"},
{"key", OPT_KEY, 's', "CMP signer private key, not used when -secret given"},
{"keypass", OPT_KEYPASS, 's',
"Client private key (and cert and old cert) pass phrase source"},
{"digest", OPT_DIGEST, 's',
"Digest to use in message protection and POPO signatures. Default \"sha256\""},
{"mac", OPT_MAC, 's',
"MAC algorithm to use in PBM-based message protection. Default \"hmac-sha1\""},
{"extracerts", OPT_EXTRACERTS, 's',
"Certificates to append in extraCerts field of outgoing messages."},
{OPT_MORE_STR, 0, 0,
"This can be used as the default CMP signer cert chain to include"},
{"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
"Send request messages without CMP-level protection"},
OPT_SECTION("Credentials format"),
{"certform", OPT_CERTFORM, 's',
"Format (PEM or DER) to use when saving a certificate to a file. Default PEM"},
{"crlform", OPT_CRLFORM, 's',
"Format (PEM or DER) to use when saving a CRL to a file. Default DER"},
{"keyform", OPT_KEYFORM, 's',
"Format of the key input (ENGINE, other values ignored)"},
{"otherpass", OPT_OTHERPASS, 's',
"Pass phrase source potentially needed for loading certificates of others"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's',
"Use crypto engine with given identifier, possibly a hardware device."},
{OPT_MORE_STR, 0, 0,
"Engines may also be defined in OpenSSL config file engine section."},
#endif
OPT_PROV_OPTIONS,
OPT_R_OPTIONS,
OPT_SECTION("TLS connection"),
#if defined(OPENSSL_NO_SOCK) || defined(OPENSSL_NO_HTTP)
{OPT_MORE_STR, 0, 0,
"NOTE: -tls_used and all other TLS options not supported due to no-sock/no-http build"},
#else
{"tls_used", OPT_TLS_USED, '-',
"Enable using TLS (also when other TLS options are not set)"},
{"tls_cert", OPT_TLS_CERT, 's',
"Client's TLS certificate. May include chain to be provided to TLS server"},
{"tls_key", OPT_TLS_KEY, 's',
"Private key for the client's TLS certificate"},
{"tls_keypass", OPT_TLS_KEYPASS, 's',
"Pass phrase source for the client's private TLS key (and TLS cert)"},
{"tls_extra", OPT_TLS_EXTRA, 's',
"Extra certificates to provide to TLS server during TLS handshake"},
{"tls_trusted", OPT_TLS_TRUSTED, 's',
"Trusted certificates to use for verifying the TLS server certificate;"},
{OPT_MORE_STR, 0, 0, "this implies hostname validation"},
{"tls_host", OPT_TLS_HOST, 's',
"Address to be checked (rather than -server) during TLS hostname validation"},
#endif
OPT_SECTION("Client-side debugging"),
{"batch", OPT_BATCH, '-',
"Do not interactively prompt for input when a password is required etc."},
{"repeat", OPT_REPEAT, 'p',
"Invoke the transaction the given positive number of times. Default 1"},
{"reqin", OPT_REQIN, 's',
"Take sequence of CMP requests to send to server from file(s)"},
{"reqin_new_tid", OPT_REQIN_NEW_TID, '-',
"Use fresh transactionID for CMP requests read from -reqin"},
{"reqout", OPT_REQOUT, 's',
"Save sequence of CMP requests created by the client to file(s)"},
{"reqout_only", OPT_REQOUT_ONLY, 's',
"Save first CMP request created by the client to file and exit"},
{"rspin", OPT_RSPIN, 's',
"Process sequence of CMP responses provided in file(s), skipping server"},
{"rspout", OPT_RSPOUT, 's',
"Save sequence of actually used CMP responses to file(s)"},
{"use_mock_srv", OPT_USE_MOCK_SRV, '-',
"Use internal mock server at API level, bypassing socket-based HTTP"},
OPT_SECTION("Mock server"),
#if defined(OPENSSL_NO_SOCK) || defined(OPENSSL_NO_HTTP)
{OPT_MORE_STR, 0, 0,
"NOTE: -port and -max_msgs not supported due to no-sock/no-http build"},
#else
{"port", OPT_PORT, 's',
"Act as HTTP-based mock server listening on given port"},
{"max_msgs", OPT_MAX_MSGS, 'N',
"max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
#endif
{"srv_ref", OPT_SRV_REF, 's',
"Reference value to use as senderKID of server in case no -srv_cert is given"},
{"srv_secret", OPT_SRV_SECRET, 's',
"Password source for server authentication with a pre-shared key (secret)"},
{"srv_cert", OPT_SRV_CERT, 's', "Certificate of the server"},
{"srv_key", OPT_SRV_KEY, 's',
"Private key used by the server for signing messages"},
{"srv_keypass", OPT_SRV_KEYPASS, 's',
"Server private key (and cert) pass phrase source"},
{"srv_trusted", OPT_SRV_TRUSTED, 's',
"Trusted certificates for client authentication"},
{"srv_untrusted", OPT_SRV_UNTRUSTED, 's',
"Intermediate certs that may be useful for verifying CMP protection"},
{"ref_cert", OPT_RSP_CERT, 's',
"Certificate to be expected for rr and any oldCertID in kur messages"},
{"rsp_cert", OPT_RSP_CERT, 's',
"Certificate to be returned as mock enrollment result"},
{"rsp_crl", OPT_RSP_CRL, 's',
"CRL to be returned in genp of type crls"},
{"rsp_extracerts", OPT_RSP_EXTRACERTS, 's',
"Extra certificates to be included in mock certification responses"},
{"rsp_capubs", OPT_RSP_CAPUBS, 's',
"CA certificates to be included in mock ip response"},
{"rsp_newwithnew", OPT_RSP_NEWWITHNEW, 's',
"New root CA certificate to include in genp of type rootCaKeyUpdate"},
{"rsp_newwithold", OPT_RSP_NEWWITHOLD, 's',
"NewWithOld transition cert to include in genp of type rootCaKeyUpdate"},
{"rsp_oldwithnew", OPT_RSP_OLDWITHNEW, 's',
"OldWithNew transition cert to include in genp of type rootCaKeyUpdate"},
{"poll_count", OPT_POLL_COUNT, 'N',
"Number of times the client must poll before receiving a certificate"},
{"check_after", OPT_CHECK_AFTER, 'N',
"The check_after value (time to wait) to include in poll response"},
{"grant_implicitconf", OPT_GRANT_IMPLICITCONF, '-',
"Grant implicit confirmation of newly enrolled certificate"},
{"pkistatus", OPT_PKISTATUS, 'N',
"PKIStatus to be included in server response. Possible values: 0..6"},
{"failure", OPT_FAILURE, 'N',
"A single failure info bit number to include in server response, 0..26"},
{"failurebits", OPT_FAILUREBITS, 'N',
"Number representing failure bits to include in server response, 0..2^27 - 1"},
{"statusstring", OPT_STATUSSTRING, 's',
"Status string to be included in server response"},
{"send_error", OPT_SEND_ERROR, '-',
"Force server to reply with error message"},
{"send_unprotected", OPT_SEND_UNPROTECTED, '-',
"Send response messages without CMP-level protection"},
{"send_unprot_err", OPT_SEND_UNPROT_ERR, '-',
"In case of negative responses, server shall send unprotected error messages,"},
{OPT_MORE_STR, 0, 0,
"certificate responses (ip/cp/kup), and revocation responses (rp)."},
{OPT_MORE_STR, 0, 0,
"WARNING: This setting leads to behavior violating RFC 4210"},
{"accept_unprotected", OPT_ACCEPT_UNPROTECTED, '-',
"Accept missing or invalid protection of requests"},
{"accept_unprot_err", OPT_ACCEPT_UNPROT_ERR, '-',
"Accept unprotected error messages from client"},
{"accept_raverified", OPT_ACCEPT_RAVERIFIED, '-',
"Accept RAVERIFIED as proof-of-possession (POPO)"},
OPT_V_OPTIONS,
{NULL}
};
typedef union {
char **txt;
int *num;
long *num_long;
} varref;
static varref cmp_vars[] = { /* must be in same order as enumerated above! */
{&opt_config}, {&opt_section}, {(char **)&opt_verbosity},
{&opt_cmd_s}, {&opt_infotype_s}, {&opt_profile}, {&opt_geninfo},
{&opt_newkey}, {&opt_newkeypass}, {&opt_subject},
{(char **)&opt_days}, {&opt_reqexts},
{&opt_sans}, {(char **)&opt_san_nodefault},
{&opt_policies}, {&opt_policy_oids}, {(char **)&opt_policy_oids_critical},
{(char **)&opt_popo}, {&opt_csr},
{&opt_out_trusted},
{(char **)&opt_implicit_confirm}, {(char **)&opt_disable_confirm},
{&opt_certout}, {&opt_chainout},
{&opt_oldcert}, {&opt_issuer}, {&opt_serial}, {(char **)&opt_revreason},
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
{&opt_server}, {&opt_proxy}, {&opt_no_proxy},
#endif
{&opt_recipient}, {&opt_path}, {(char **)&opt_keep_alive},
{(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
{&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
{&opt_expect_sender},
{(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
{(char **)&opt_no_cache_extracerts},
{&opt_srvcertout}, {&opt_extracertsout}, {&opt_cacertsout},
{&opt_oldwithold}, {&opt_newwithnew}, {&opt_newwithold}, {&opt_oldwithnew},
{&opt_crlcert}, {&opt_oldcrl}, {&opt_crlout},
{&opt_ref}, {&opt_secret},
{&opt_cert}, {&opt_own_trusted}, {&opt_key}, {&opt_keypass},
{&opt_digest}, {&opt_mac}, {&opt_extracerts},
{(char **)&opt_unprotected_requests},
{&opt_certform_s}, {&opt_crlform_s}, {&opt_keyform_s},
{&opt_otherpass},
#ifndef OPENSSL_NO_ENGINE
{&opt_engine},
#endif
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
{(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
{&opt_tls_keypass},
{&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
#endif
{(char **)&opt_batch}, {(char **)&opt_repeat},
{&opt_reqin}, {(char **)&opt_reqin_new_tid},
{&opt_reqout}, {&opt_reqout_only}, {&opt_rspin}, {&opt_rspout},
{(char **)&opt_use_mock_srv},
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
{&opt_port}, {(char **)&opt_max_msgs},
#endif
{&opt_srv_ref}, {&opt_srv_secret},
{&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
{&opt_srv_trusted}, {&opt_srv_untrusted},
{&opt_ref_cert}, {&opt_rsp_cert}, {&opt_rsp_crl},
{&opt_rsp_extracerts}, {&opt_rsp_capubs},
{&opt_rsp_newwithnew}, {&opt_rsp_newwithold}, {&opt_rsp_oldwithnew},
{(char **)&opt_poll_count}, {(char **)&opt_check_after},
{(char **)&opt_grant_implicitconf},
{(char **)&opt_pkistatus}, {(char **)&opt_failure},
{(char **)&opt_failurebits}, {&opt_statusstring},
{(char **)&opt_send_error}, {(char **)&opt_send_unprotected},
{(char **)&opt_send_unprot_err}, {(char **)&opt_accept_unprotected},
{(char **)&opt_accept_unprot_err}, {(char **)&opt_accept_raverified},
{NULL}
};
#define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
? "CMP" : OPENSSL_FUNC)
#define CMP_print(bio, level, prefix, msg, a1, a2, a3) \
((void)(level > opt_verbosity ? 0 : \
(BIO_printf(bio, "%s:%s:%d:CMP %s: " msg "\n", \
FUNC, OPENSSL_FILE, OPENSSL_LINE, prefix, a1, a2, a3))))
#define CMP_DEBUG(m, a1, a2, a3) \
CMP_print(bio_out, OSSL_CMP_LOG_DEBUG, "debug", m, a1, a2, a3)
#define CMP_debug(msg) CMP_DEBUG(msg"%s%s%s", "", "", "")
#define CMP_debug1(msg, a1) CMP_DEBUG(msg"%s%s", a1, "", "")
#define CMP_debug2(msg, a1, a2) CMP_DEBUG(msg"%s", a1, a2, "")
#define CMP_debug3(msg, a1, a2, a3) CMP_DEBUG(msg, a1, a2, a3)
#define CMP_INFO(msg, a1, a2, a3) \
CMP_print(bio_out, OSSL_CMP_LOG_INFO, "info", msg, a1, a2, a3)
#define CMP_info(msg) CMP_INFO(msg"%s%s%s", "", "", "")
#define CMP_info1(msg, a1) CMP_INFO(msg"%s%s", a1, "", "")
#define CMP_info2(msg, a1, a2) CMP_INFO(msg"%s", a1, a2, "")
#define CMP_info3(msg, a1, a2, a3) CMP_INFO(msg, a1, a2, a3)
#define CMP_WARN(m, a1, a2, a3) \
CMP_print(bio_out, OSSL_CMP_LOG_WARNING, "warning", m, a1, a2, a3)
#define CMP_warn(msg) CMP_WARN(msg"%s%s%s", "", "", "")
#define CMP_warn1(msg, a1) CMP_WARN(msg"%s%s", a1, "", "")
#define CMP_warn2(msg, a1, a2) CMP_WARN(msg"%s", a1, a2, "")
#define CMP_warn3(msg, a1, a2, a3) CMP_WARN(msg, a1, a2, a3)
#define CMP_ERR(msg, a1, a2, a3) \
CMP_print(bio_err, OSSL_CMP_LOG_ERR, "error", msg, a1, a2, a3)
#define CMP_err(msg) CMP_ERR(msg"%s%s%s", "", "", "")
#define CMP_err1(msg, a1) CMP_ERR(msg"%s%s", a1, "", "")
#define CMP_err2(msg, a1, a2) CMP_ERR(msg"%s", a1, a2, "")
#define CMP_err3(msg, a1, a2, a3) CMP_ERR(msg, a1, a2, a3)
static int print_to_bio_out(const char *func, const char *file, int line,
OSSL_CMP_severity level, const char *msg)
{
return OSSL_CMP_print_to_bio(bio_out, func, file, line, level, msg);
}
static int print_to_bio_err(const char *func, const char *file, int line,
OSSL_CMP_severity level, const char *msg)
{
return OSSL_CMP_print_to_bio(bio_err, func, file, line, level, msg);
}
static int set_verbosity(int level)
{
if (level < OSSL_CMP_LOG_EMERG || level > OSSL_CMP_LOG_MAX) {
CMP_err1("Logging verbosity level %d out of range (0 .. 8)", level);
return 0;
}
opt_verbosity = level;
return 1;
}
static EVP_PKEY *load_key_pwd(const char *uri, int format,
const char *pass, ENGINE *eng, const char *desc)
{
char *pass_string = get_passwd(pass, desc);
EVP_PKEY *pkey = load_key(uri, format, 0, pass_string, eng, desc);
clear_free(pass_string);
return pkey;
}
static X509 *load_cert_pwd(const char *uri, const char *pass, const char *desc)
{
X509 *cert;
char *pass_string = get_passwd(pass, desc);
cert = load_cert_pass(uri, FORMAT_UNDEF, 0, pass_string, desc);
clear_free(pass_string);
return cert;
}
/* set expected hostname/IP addr and clears the email addr in the given ts */
static int truststore_set_host_etc(X509_STORE *ts, const char *host)
{
X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
/* first clear any hostnames, IP, and email addresses */
if (!X509_VERIFY_PARAM_set1_host(ts_vpm, NULL, 0)
|| !X509_VERIFY_PARAM_set1_ip(ts_vpm, NULL, 0)
|| !X509_VERIFY_PARAM_set1_email(ts_vpm, NULL, 0))
return 0;
X509_VERIFY_PARAM_set_hostflags(ts_vpm,
X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT |
X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS);
return (host != NULL && X509_VERIFY_PARAM_set1_ip_asc(ts_vpm, host))
|| X509_VERIFY_PARAM_set1_host(ts_vpm, host, 0);
}
/* write OSSL_CMP_MSG DER-encoded to the specified file name item */
static int write_PKIMESSAGE(const OSSL_CMP_MSG *msg, char **filenames)
{
char *file;
if (msg == NULL || filenames == NULL) {
CMP_err("NULL arg to write_PKIMESSAGE");
return 0;
}
if (*filenames == NULL) {
CMP_err("not enough file names provided for writing PKIMessage");
return 0;
}
file = *filenames;
*filenames = next_item(file);
if (OSSL_CMP_MSG_write(file, msg) < 0) {
CMP_err1("cannot write PKIMessage to file '%s'", file);
return 0;
}
return 1;
}
/* read DER-encoded OSSL_CMP_MSG from the specified file name item */
static OSSL_CMP_MSG *read_PKIMESSAGE(const char *desc, char **filenames)
{
char *file;
OSSL_CMP_MSG *ret;
if (filenames == NULL || desc == NULL) {
CMP_err("NULL arg to read_PKIMESSAGE");
return NULL;
}
if (*filenames == NULL) {
CMP_err("not enough file names provided for reading PKIMessage");
return NULL;
}
file = *filenames;
*filenames = next_item(file);
ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq());
if (ret == NULL)
CMP_err1("cannot read PKIMessage from file '%s'", file);
else
CMP_info2("%s %s", desc, file);
return ret;
}
/*-
* Sends the PKIMessage req and on success place the response in *res
* basically like OSSL_CMP_MSG_http_perform(), but in addition allows
* to dump the sequence of requests and responses to files and/or
* to take the sequence of requests and responses from files.
*/
static OSSL_CMP_MSG *read_write_req_resp(OSSL_CMP_CTX *ctx,
const OSSL_CMP_MSG *req)
{
OSSL_CMP_MSG *req_new = NULL;
OSSL_CMP_MSG *res = NULL;
OSSL_CMP_PKIHEADER *hdr;
const char *prev_opt_rspin = opt_rspin;
if (opt_reqout_only != NULL) {
if (OSSL_CMP_MSG_write(opt_reqout_only, req) < 0)
CMP_err1("cannot write request PKIMessage to file '%s'",
opt_reqout_only);
else
reqout_only_done = 1;
return NULL; /* stop at this point, not contacting any server */
}
if (opt_reqout != NULL && !write_PKIMESSAGE(req, &opt_reqout))
goto err;
if (opt_reqin != NULL && opt_rspin == NULL) {
if ((req_new = read_PKIMESSAGE("actually sending", &opt_reqin)) == NULL)
goto err;
/*-
* The transaction ID in req_new read from opt_reqin may not be fresh.
* In this case the server may complain "Transaction id already in use."
* The following workaround unfortunately requires re-protection.
*/
if (opt_reqin_new_tid
&& !OSSL_CMP_MSG_update_transactionID(ctx, req_new))
goto err;
/*
* Except for first request, need to satisfy recipNonce check by server.
* Unfortunately requires re-protection if protection is required.
*/
if (!OSSL_CMP_MSG_update_recipNonce(ctx, req_new))
goto err;
}
if (opt_rspin != NULL) {
res = read_PKIMESSAGE("actually using", &opt_rspin);
} else {
const OSSL_CMP_MSG *actual_req = req_new != NULL ? req_new : req;
if (opt_use_mock_srv) {
if (rspin_in_use)
CMP_warn("too few -rspin filename arguments; resorting to using mock server");
res = OSSL_CMP_CTX_server_perform(ctx, actual_req);
} else {
#if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
if (opt_server == NULL) {
CMP_err("missing -server or -use_mock_srv option, or too few -rspin filename arguments");
goto err;
}
if (rspin_in_use)
CMP_warn("too few -rspin filename arguments; resorting to contacting server");
res = OSSL_CMP_MSG_http_perform(ctx, actual_req);
#else
CMP_err("-server not supported on no-sock/no-http build; missing -use_mock_srv option or too few -rspin filename arguments");
#endif
}
rspin_in_use = 0;
}
if (res == NULL)
goto err;
if (req_new != NULL || prev_opt_rspin != NULL) {
/* need to satisfy nonce and transactionID checks by client */
ASN1_OCTET_STRING *nonce;
ASN1_OCTET_STRING *tid;
hdr = OSSL_CMP_MSG_get0_header(res);
nonce = OSSL_CMP_HDR_get0_recipNonce(hdr);
tid = OSSL_CMP_HDR_get0_transactionID(hdr);
if (!OSSL_CMP_CTX_set1_senderNonce(ctx, nonce)
|| !OSSL_CMP_CTX_set1_transactionID(ctx, tid)) {
OSSL_CMP_MSG_free(res);
res = NULL;
goto err;
}
}
if (opt_rspout != NULL && !write_PKIMESSAGE(res, &opt_rspout)) {
OSSL_CMP_MSG_free(res);
res = NULL;
}
err:
OSSL_CMP_MSG_free(req_new);
return res;
}
static int set_name(const char *str,
int (*set_fn) (OSSL_CMP_CTX *ctx, const X509_NAME *name),
OSSL_CMP_CTX *ctx, const char *desc)
{
if (str != NULL) {
X509_NAME *n = parse_name(str, MBSTRING_ASC, 1, desc);
if (n == NULL)
return 0;
if (!(*set_fn) (ctx, n)) {
X509_NAME_free(n);
CMP_err("out of memory");
return 0;
}
X509_NAME_free(n);
}
return 1;
}
static int set_gennames(OSSL_CMP_CTX *ctx, char *names, const char *desc)
{
char *next;
for (; names != NULL; names = next) {
GENERAL_NAME *n;
next = next_item(names);
if (strcmp(names, "critical") == 0) {
(void)OSSL_CMP_CTX_set_option(ctx,
OSSL_CMP_OPT_SUBJECTALTNAME_CRITICAL,
1);
continue;
}
/* try IP address first, then email/URI/domain name */
(void)ERR_set_mark();
n = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_IPADD, names, 0);
if (n == NULL)
n = a2i_GENERAL_NAME(NULL, NULL, NULL,
strchr(names, '@') != NULL ? GEN_EMAIL :
strchr(names, ':') != NULL ? GEN_URI : GEN_DNS,
names, 0);
(void)ERR_pop_to_mark();
if (n == NULL) {
CMP_err2("bad syntax of %s '%s'", desc, names);
return 0;
}
if (!OSSL_CMP_CTX_push1_subjectAltName(ctx, n)) {
GENERAL_NAME_free(n);
CMP_err("out of memory");
return 0;
}
GENERAL_NAME_free(n);
}
return 1;
}
static X509_STORE *load_trusted(char *input, int for_new_cert, const char *desc)
{
X509_STORE *ts = load_certstore(input, opt_otherpass, desc, vpm);
if (ts == NULL)
return NULL;
X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
/* copy vpm to store */
if (X509_STORE_set1_param(ts, vpm /* may be NULL */)
&& (for_new_cert || truststore_set_host_etc(ts, NULL)))
return ts;
BIO_printf(bio_err, "error setting verification parameters for %s\n", desc);
OSSL_CMP_CTX_print_errors(cmp_ctx);
X509_STORE_free(ts);