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openssl/apps/cmp.c
Pauli 9283e9bd11 cmp: remove NULL check. 
Instead appease coverity by marking 1464986 as a false positive.
Coverity is confused by the engine reference counting.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12309)
2020-07-05 13:20:09 +10:00

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/*
* Copyright 2007-2020 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
*/
#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 */
#ifdef _WIN32
# 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>
DEFINE_STACK_OF(X509)
DEFINE_STACK_OF(X509_EXTENSION)
DEFINE_STACK_OF(OSSL_CMP_ITAV)
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;
#undef PROG
#define PROG cmp_main
static char *prog = "cmp";
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 */
static char *opt_server = NULL;
static char server_port_s[32] = { '\0' };
static int server_port = 0;
static char *opt_proxy = NULL;
static char *opt_no_proxy = NULL;
static char *opt_path = "/";
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_recipient = NULL;
static char *opt_expect_sender = NULL;
static int opt_ignore_keyusage = 0;
static int opt_unprotected_errors = 0;
static char *opt_extracertsout = NULL;
static char *opt_cacertsout = NULL;
/* client authentication */
static char *opt_ref = NULL;
static char *opt_secret = NULL;
static char *opt_cert = 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;
/* certificate enrollment */
static char *opt_newkey = NULL;
static char *opt_newkeypass = NULL;
static char *opt_subject = NULL;
static char *opt_issuer = 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;
/* certificate enrollment and revocation */
static char *opt_oldcert = NULL;
static int opt_revreason = CRL_REASON_NONE;
/* credentials format */
static char *opt_certform_s = "PEM";
static int opt_certform = FORMAT_PEM;
static char *opt_keyform_s = "PEM";
static int opt_keyform = FORMAT_PEM;
static char *opt_certsform_s = "PEM";
static int opt_certsform = FORMAT_PEM;
static char *opt_otherpass = NULL;
static char *opt_engine = NULL;
/* 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;
/* 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_rspin = NULL;
static char *opt_rspout = NULL;
static int opt_use_mock_srv = 0;
/* server-side debugging */
static char *opt_port = NULL;
static int opt_max_msgs = 0;
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_rsp_cert = NULL;
static char *opt_rsp_extracerts = NULL;
static char *opt_rsp_capubs = 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_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_CONFIG, OPT_SECTION,
OPT_CMD, OPT_INFOTYPE, OPT_GENINFO,
OPT_NEWKEY, OPT_NEWKEYPASS, OPT_SUBJECT, OPT_ISSUER,
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_OLDCERT, OPT_REVREASON,
OPT_SERVER, OPT_PROXY, OPT_NO_PROXY, OPT_PATH,
OPT_MSG_TIMEOUT, OPT_TOTAL_TIMEOUT,
OPT_TRUSTED, OPT_UNTRUSTED, OPT_SRVCERT,
OPT_RECIPIENT, OPT_EXPECT_SENDER,
OPT_IGNORE_KEYUSAGE, OPT_UNPROTECTED_ERRORS,
OPT_EXTRACERTSOUT, OPT_CACERTSOUT,
OPT_REF, OPT_SECRET, OPT_CERT, OPT_KEY, OPT_KEYPASS,
OPT_DIGEST, OPT_MAC, OPT_EXTRACERTS,
OPT_UNPROTECTED_REQUESTS,
OPT_CERTFORM, OPT_KEYFORM, OPT_CERTSFORM,
OPT_OTHERPASS,
#ifndef OPENSSL_NO_ENGINE
OPT_ENGINE,
#endif
OPT_PROV_ENUM,
OPT_TLS_USED, OPT_TLS_CERT, OPT_TLS_KEY,
OPT_TLS_KEYPASS,
OPT_TLS_EXTRA, OPT_TLS_TRUSTED, OPT_TLS_HOST,
OPT_BATCH, OPT_REPEAT,
OPT_REQIN, OPT_REQIN_NEW_TID, OPT_REQOUT, OPT_RSPIN, OPT_RSPOUT,
OPT_USE_MOCK_SRV, OPT_PORT, OPT_MAX_MSGS,
OPT_SRV_REF, OPT_SRV_SECRET,
OPT_SRV_CERT, OPT_SRV_KEY, OPT_SRV_KEYPASS,
OPT_SRV_TRUSTED, OPT_SRV_UNTRUSTED,
OPT_RSP_CERT, OPT_RSP_EXTRACERTS, OPT_RSP_CAPUBS,
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'"},
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, e.g. 'signKeyPairTypes'"},
{"geninfo", OPT_GENINFO, 's',
"generalInfo integer values to place in request PKIHeader with given OID"},
{OPT_MORE_STR, 0, 0,
"specified in the form <OID>:int:<n>, e.g. \"1.2.3:int:987\""},
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 the subject DN of the 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"},
{"issuer", OPT_ISSUER, 's',
"DN of the issuer to place in the requested certificate template"},
{OPT_MORE_STR, 0, 0,
"also used as recipient if neither -recipient nor -srvcert are given"},
{"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"},
{"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',
"CSR file in PKCS#10 format to use in p10cr for legacy support"},
{"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"},
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,
"Its issuer is used as recipient unless -srvcert, -recipient or -issuer given"},
{"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"),
{"server", OPT_SERVER, 's',
"[http[s]://]address[:port] of CMP server. Default port 80 or 443."},
{OPT_MORE_STR, 0, 0,
"The address may be a DNS name or an IP address"},
{"proxy", OPT_PROXY, 's',
"[http[s]://]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"},
{"path", OPT_PATH, 's',
"HTTP path (aka CMP alias) at the CMP server. Default \"/\""},
{"msg_timeout", OPT_MSG_TIMEOUT, 'n',
"Timeout per CMP message round trip (or 0 for none). Default 120 seconds"},
{"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 trust as chain roots 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"},
{"recipient", OPT_RECIPIENT, 's',
"Distinguished Name (DN) to use as msg recipient; see man page for defaults"},
{"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"},
{"extracertsout", OPT_EXTRACERTSOUT, 's',
"File to save extra certificates received in the extraCerts field"},
{"cacertsout", OPT_CACERTSOUT, 's',
"File to save CA certificates received in the caPubs field of 'ip' messages"},
OPT_SECTION("Client authentication"),
{"ref", OPT_REF, 's',
"Reference value to use as senderKID in case no -cert is given"},
{"secret", OPT_SECRET, 's',
"Password source for client authentication with a pre-shared key (secret)"},
{"cert", OPT_CERT, 's',
"Client's current certificate (needed unless using -secret for PBM);"},
{OPT_MORE_STR, 0, 0,
"any further certs included are appended in extraCerts field"},
{"key", OPT_KEY, 's', "Private key for the client's current certificate"},
{"keypass", OPT_KEYPASS, 's',
"Client private key (and cert and old cert file) 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"},
{"unprotected_requests", OPT_UNPROTECTED_REQUESTS, '-',
"Send 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"},
{OPT_MORE_STR, 0, 0,
"This also determines format to use for writing (not supported for P12)"},
{"keyform", OPT_KEYFORM, 's',
"Format to assume when reading key files. Default PEM"},
{"certsform", OPT_CERTSFORM, 's',
"Format (PEM/DER/P12) to try first reading multiple certs. Default PEM"},
{"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 be defined in OpenSSL config file engine section."},
{OPT_MORE_STR, 0, 0,
"Options like -key specifying keys held in the engine can give key IDs"},
{OPT_MORE_STR, 0, 0,
"prefixed by 'engine:', e.g. '-key engine:pkcs11:object=mykey;pin-value=1234'"},
#endif
OPT_PROV_OPTIONS,
OPT_SECTION("TLS connection"),
{"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 file)"},
{"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 host name validation"},
{"tls_host", OPT_TLS_HOST, 's',
"Address to be checked (rather than -server) during TLS host name validation"},
OPT_SECTION("Client-side debugging"),
{"batch", OPT_BATCH, '-',
"Do not interactively prompt for input when a password is required etc."},
{"repeat", OPT_REPEAT, 'n',
"Invoke the transaction the given number of times. Default 1"},
{"reqin", OPT_REQIN, 's', "Take sequence of CMP requests 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 to file(s)"},
{"rspin", OPT_RSPIN, 's',
"Process sequence of CMP responses provided in file(s), skipping server"},
{"rspout", OPT_RSPOUT, 's', "Save sequence of CMP responses to file(s)"},
{"use_mock_srv", OPT_USE_MOCK_SRV, '-', "Use mock server at API level, bypassing HTTP"},
OPT_SECTION("Mock server"),
{"port", OPT_PORT, 's', "Act as HTTP mock server listening on given port"},
{"max_msgs", OPT_MAX_MSGS, 'n',
"max number of messages handled by HTTP mock server. Default: 0 = unlimited"},
{"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) file 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"},
{"rsp_cert", OPT_RSP_CERT, 's',
"Certificate to be returned as mock enrollment result"},
{"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"},
{"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},
{&opt_cmd_s}, {&opt_infotype_s}, {&opt_geninfo},
{&opt_newkey}, {&opt_newkeypass}, {&opt_subject}, {&opt_issuer},
{(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_oldcert}, {(char **)&opt_revreason},
{&opt_server}, {&opt_proxy}, {&opt_no_proxy}, {&opt_path},
{(char **)&opt_msg_timeout}, {(char **)&opt_total_timeout},
{&opt_trusted}, {&opt_untrusted}, {&opt_srvcert},
{&opt_recipient}, {&opt_expect_sender},
{(char **)&opt_ignore_keyusage}, {(char **)&opt_unprotected_errors},
{&opt_extracertsout}, {&opt_cacertsout},
{&opt_ref}, {&opt_secret}, {&opt_cert}, {&opt_key}, {&opt_keypass},
{&opt_digest}, {&opt_mac}, {&opt_extracerts},
{(char **)&opt_unprotected_requests},
{&opt_certform_s}, {&opt_keyform_s}, {&opt_certsform_s},
{&opt_otherpass},
#ifndef OPENSSL_NO_ENGINE
{&opt_engine},
#endif
{(char **)&opt_tls_used}, {&opt_tls_cert}, {&opt_tls_key},
{&opt_tls_keypass},
{&opt_tls_extra}, {&opt_tls_trusted}, {&opt_tls_host},
{(char **)&opt_batch}, {(char **)&opt_repeat},
{&opt_reqin}, {(char **)&opt_reqin_new_tid},
{&opt_reqout}, {&opt_rspin}, {&opt_rspout},
{(char **)&opt_use_mock_srv}, {&opt_port}, {(char **)&opt_max_msgs},
{&opt_srv_ref}, {&opt_srv_secret},
{&opt_srv_cert}, {&opt_srv_key}, {&opt_srv_keypass},
{&opt_srv_trusted}, {&opt_srv_untrusted},
{&opt_rsp_cert}, {&opt_rsp_extracerts}, {&opt_rsp_capubs},
{(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}
};
#ifndef NDEBUG
# define FUNC (strcmp(OPENSSL_FUNC, "(unknown function)") == 0 \
? "CMP" : "OPENSSL_FUNC")
# define PRINT_LOCATION(bio) BIO_printf(bio, "%s:%s:%d:", \
FUNC, OPENSSL_FILE, OPENSSL_LINE)
#else
# define PRINT_LOCATION(bio) ((void)0)
#endif
#define CMP_print(bio, prefix, msg, a1, a2, a3) \
(PRINT_LOCATION(bio), \
BIO_printf(bio, "CMP %s: " msg "\n", prefix, a1, a2, a3))
#define CMP_INFO(msg, a1, a2, a3) CMP_print(bio_out, "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, "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, "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);
}
/* code duplicated from crypto/cmp/cmp_util.c */
static int sk_X509_add1_cert(STACK_OF(X509) *sk, X509 *cert,
int no_dup, int prepend)
{
if (no_dup) {
/*
* not using sk_X509_set_cmp_func() and sk_X509_find()
* because this re-orders the certs on the stack
*/
int i;
for (i = 0; i < sk_X509_num(sk); i++) {
if (X509_cmp(sk_X509_value(sk, i), cert) == 0)
return 1;
}
}
if (!X509_up_ref(cert))
return 0;
if (!sk_X509_insert(sk, cert, prepend ? 0 : -1)) {
X509_free(cert);
return 0;
}
return 1;
}
/* code duplicated from crypto/cmp/cmp_util.c */
static int sk_X509_add1_certs(STACK_OF(X509) *sk, STACK_OF(X509) *certs,
int no_self_signed, int no_dups, int prepend)
/* compiler would allow 'const' for the list of certs, yet they are up-ref'ed */
{
int i;
if (sk == NULL)
return 0;
if (certs == NULL)
return 1;
for (i = 0; i < sk_X509_num(certs); i++) {
X509 *cert = sk_X509_value(certs, i);
if (!no_self_signed || X509_check_issued(cert, cert) != X509_V_OK) {
if (!sk_X509_add1_cert(sk, cert, no_dups, prepend))
return 0;
}
}
return 1;
}
/* TODO potentially move to apps/lib/apps.c */
static char *next_item(char *opt) /* in list separated by comma and/or space */
{
/* advance to separator (comma or whitespace), if any */
while (*opt != ',' && !isspace(*opt) && *opt != '\0') {
if (*opt == '\\' && opt[1] != '\0')
/* skip and unescape '\' escaped char */
memmove(opt, opt + 1, strlen(opt));
opt++;
}
if (*opt != '\0') {
/* terminate current item */
*opt++ = '\0';
/* skip over any whitespace after separator */
while (isspace(*opt))
opt++;
}
return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
}
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, 0, pass_string, desc);
clear_free(pass_string);
return cert;
}
/* TODO remove when PR #4930 is merged */
static int load_pkcs12(BIO *in, const char *desc,
pem_password_cb *pem_cb, void *cb_data,
EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
{
const char *pass;
char tpass[PEM_BUFSIZE];
int len;
int ret = 0;
PKCS12 *p12 = d2i_PKCS12_bio(in, NULL);
if (desc == NULL)
desc = "PKCS12 input";
if (p12 == NULL) {
BIO_printf(bio_err, "error loading PKCS12 file for %s\n", desc);
goto die;
}
/* See if an empty password will do */
if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
pass = "";
} else {
if (pem_cb == NULL)
pem_cb = wrap_password_callback;
len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
if (len < 0) {
BIO_printf(bio_err, "passphrase callback error for %s\n", desc);
goto die;
}
if (len < PEM_BUFSIZE)
tpass[len] = 0;
if (!PKCS12_verify_mac(p12, tpass, len)) {
BIO_printf(bio_err,
"mac verify error (wrong password?) in PKCS12 file for %s\n",
desc);
goto die;
}
pass = tpass;
}
ret = PKCS12_parse(p12, pass, pkey, cert, ca);
die:
PKCS12_free(p12);
return ret;
}
/* TODO potentially move this and related functions to apps/lib/apps.c */
static int adjust_format(const char **infile, int format, int engine_ok)
{
if (!strncasecmp(*infile, "http://", 7)
|| !strncasecmp(*infile, "https://", 8)) {
format = FORMAT_HTTP;
} else if (engine_ok && strncasecmp(*infile, "engine:", 7) == 0) {
*infile += 7;
format = FORMAT_ENGINE;
} else {
if (strncasecmp(*infile, "file:", 5) == 0)
*infile += 5;
/*
* the following is a heuristic whether first to try PEM or DER
* or PKCS12 as the input format for files
*/
if (strlen(*infile) >= 4) {
const char *extension = *infile + strlen(*infile) - 4;
if (strncasecmp(extension, ".crt", 4) == 0
|| strncasecmp(extension, ".pem", 4) == 0)
/* weak recognition of PEM format */
format = FORMAT_PEM;
else if (strncasecmp(extension, ".cer", 4) == 0
|| strncasecmp(extension, ".der", 4) == 0)
/* weak recognition of DER format */
format = FORMAT_ASN1;
else if (strncasecmp(extension, ".p12", 4) == 0)
/* weak recognition of PKCS#12 format */
format = FORMAT_PKCS12;
/* else retain given format */
}
}
return format;
}
/*
* TODO potentially move this and related functions to apps/lib/
* or even better extend OSSL_STORE with type OSSL_STORE_INFO_CRL
*/
static X509_REQ *load_csr_autofmt(const char *infile, const char *desc)
{
X509_REQ *csr;
BIO *bio_bak = bio_err;
int can_retry;
int format = adjust_format(&infile, FORMAT_PEM, 0);
can_retry = format == FORMAT_PEM || format == FORMAT_ASN1;
if (can_retry)
bio_err = NULL; /* do not show errors on more than one try */
csr = load_csr(infile, format, desc);
bio_err = bio_bak;
if (csr == NULL && can_retry) {
ERR_clear_error();
format = (format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM);
csr = load_csr(infile, format, desc);
}
if (csr == NULL) {
ERR_print_errors(bio_err);
BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc,
infile);
}
return csr;
}
/* TODO replace by calling generalized load_certs() when PR #4930 is merged */
static int load_certs_preliminary(const char *file, STACK_OF(X509) **certs,
int format, const char *pass,
const char *desc)
{
X509 *cert = NULL;
int ret = 0;
if (format == FORMAT_PKCS12) {
BIO *bio = bio_open_default(file, 'r', format);
if (bio != NULL) {
EVP_PKEY *pkey = NULL; /* pkey is needed until PR #4930 is merged */
PW_CB_DATA cb_data;
cb_data.password = pass;
cb_data.prompt_info = file;
ret = load_pkcs12(bio, desc, wrap_password_callback,
&cb_data, &pkey, &cert, certs);
EVP_PKEY_free(pkey);
BIO_free(bio);
}
} else if (format == FORMAT_ASN1) { /* load only one cert in this case */
CMP_warn1("can load only one certificate in DER format from %s", file);
cert = load_cert_pass(file, 0, pass, desc);
}
if (format == FORMAT_PKCS12 || format == FORMAT_ASN1) {
if (cert) {
if (*certs == NULL)
*certs = sk_X509_new_null();
if (*certs != NULL)
ret = sk_X509_insert(*certs, cert, 0);
else
X509_free(cert);
}
} else {
ret = load_certs(file, certs, format, pass, desc);
}
return ret;
}
static void warn_certs_expired(const char *file, STACK_OF(X509) **certs)
{
int i, res;
X509 *cert;
char *subj;
for (i = 0; i < sk_X509_num(*certs); i++) {
cert = sk_X509_value(*certs, i);
res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
X509_get0_notAfter(cert));
if (res != 0) {
subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
CMP_warn3("certificate from '%s' with subject '%s' %s", file, subj,
res > 0 ? "has expired" : "not yet valid");
OPENSSL_free(subj);
}
}
}
/*
* TODO potentially move this and related functions to apps/lib/
* or even better extend OSSL_STORE with type OSSL_STORE_INFO_CERTS
*/
static int load_certs_autofmt(const char *infile, STACK_OF(X509) **certs,
int exclude_http, const char *pass,
const char *desc)
{
int ret = 0;
char *pass_string;
BIO *bio_bak = bio_err;
int format = adjust_format(&infile, opt_certsform, 0);
if (exclude_http && format == FORMAT_HTTP) {
BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
return ret;
}
pass_string = get_passwd(pass, desc);
if (format != FORMAT_HTTP)
bio_err = NULL; /* do not show errors on more than one try */
ret = load_certs_preliminary(infile, certs, format, pass_string, desc);
bio_err = bio_bak;
if (!ret && format != FORMAT_HTTP) {
int format2 = format == FORMAT_PEM ? FORMAT_ASN1 : FORMAT_PEM;
ERR_clear_error();
ret = load_certs_preliminary(infile, certs, format2, pass_string, desc);
}
clear_free(pass_string);
if (ret)
warn_certs_expired(infile, certs);
return ret;
}
/* set expected host name/IP addr and clears the email addr in the given ts */
static int truststore_set_host_etc(X509_STORE *ts, char *host)
{
X509_VERIFY_PARAM *ts_vpm = X509_STORE_get0_param(ts);
/* first clear any host names, 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);
}
static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
const STACK_OF(X509) *certs /* may NULL */)
{
int i;
if (store == NULL)
store = X509_STORE_new();
if (store == NULL)
return NULL;
for (i = 0; i < sk_X509_num(certs); i++) {
if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
X509_STORE_free(store);
return NULL;
}
}
return store;
}
/* 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;
BIO *bio;
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);
bio = BIO_new_file(file, "wb");
if (bio == NULL) {
CMP_err1("Cannot open file '%s' for writing", file);
return 0;
}
if (i2d_OSSL_CMP_MSG_bio(bio, msg) < 0) {
CMP_err1("Cannot write PKIMessage to file '%s'", file);
BIO_free(bio);
return 0;
}
BIO_free(bio);
return 1;
}
/* read DER-encoded OSSL_CMP_MSG from the specified file name item */
static OSSL_CMP_MSG *read_PKIMESSAGE(char **filenames)
{
char *file;
BIO *bio;
OSSL_CMP_MSG *ret;
if (filenames == 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);
bio = BIO_new_file(file, "rb");
if (bio == NULL) {
CMP_err1("Cannot open file '%s' for reading", file);
return NULL;
}
ret = d2i_OSSL_CMP_MSG_bio(bio, NULL);
if (ret == NULL)
CMP_err1("Cannot read PKIMessage from file '%s'", file);
BIO_free(bio);
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;
if (req != NULL && opt_reqout != NULL
&& !write_PKIMESSAGE(req, &opt_reqout))
goto err;
if (opt_reqin != NULL && opt_rspin == NULL) {
if ((req_new = read_PKIMESSAGE(&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;
}
if (opt_rspin != NULL) {
res = read_PKIMESSAGE(&opt_rspin);
} else {
const OSSL_CMP_MSG *actual_req = opt_reqin != NULL ? req_new : req;
res = opt_use_mock_srv
? OSSL_CMP_CTX_server_perform(ctx, actual_req)
: OSSL_CMP_MSG_http_perform(ctx, actual_req);
}
if (res == NULL)
goto err;
if (opt_reqin != NULL || opt_rspin != NULL) {
/* need to satisfy nonce and transactionID checks */
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;
}
/*
* parse string as integer value, not allowing trailing garbage, see also
* https://www.gnu.org/software/libc/manual/html_node/Parsing-of-Integers.html
*
* returns integer value, or INT_MIN on error
*/
static int atoint(const char *str)
{
char *tailptr;
long res = strtol(str, &tailptr, 10);
if ((*tailptr != '\0') || (res < INT_MIN) || (res > INT_MAX))
return INT_MIN;
else
return (int)res;
}
static int parse_addr(char **opt_string, int port, const char *name)
{
char *port_string;
if (strncasecmp(*opt_string, OSSL_HTTP_PREFIX,
strlen(OSSL_HTTP_PREFIX)) == 0) {
*opt_string += strlen(OSSL_HTTP_PREFIX);
} else if (strncasecmp(*opt_string, OSSL_HTTPS_PREFIX,
strlen(OSSL_HTTPS_PREFIX)) == 0) {
*opt_string += strlen(OSSL_HTTPS_PREFIX);
if (port == 0)
port = 443; /* == integer value of OSSL_HTTPS_PORT */
}
if ((port_string = strrchr(*opt_string, ':')) == NULL)
return port; /* using default */
*(port_string++) = '\0';
port = atoint(port_string);
if ((port <= 0) || (port > 65535)) {
CMP_err2("invalid %s port '%s' given, sane range 1-65535",
name, port_string);
return -1;
}
return port;
}
static int set1_store_parameters(X509_STORE *ts)
{
if (ts == NULL)
return 0;
/* copy vpm to store */
if (!X509_STORE_set1_param(ts, vpm /* may be NULL */)) {
BIO_printf(bio_err, "error setting verification parameters\n");
OSSL_CMP_CTX_print_errors(cmp_ctx);
return 0;
}
X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
return 1;
}
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, 0);
if (n == NULL) {
CMP_err2("cannot parse %s DN '%s'", desc, str);
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 URI or 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_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;
}
/* TODO potentially move to apps/lib/apps.c */
/*
* create cert store structure with certificates read from given file(s)
* returns pointer to created X509_STORE on success, NULL on error
*/
static X509_STORE *load_certstore(char *input, const char *desc)
{
X509_STORE *store = NULL;
STACK_OF(X509) *certs = NULL;
if (input == NULL)
goto err;
while (input != NULL) {
char *next = next_item(input); \
if (!load_certs_autofmt(input, &certs, 1, opt_otherpass, desc)
|| !(store = sk_X509_to_store(store, certs))) {
/* CMP_err("out of memory"); */
X509_STORE_free(store);
store = NULL;
goto err;
}
sk_X509_pop_free(certs, X509_free);
certs = NULL;
input = next;
}
err:
sk_X509_pop_free(certs, X509_free);
return store;
}
/* TODO potentially move to apps/lib/apps.c */
static STACK_OF(X509) *load_certs_multifile(char *files,
const char *pass, const char *desc)
{
STACK_OF(X509) *certs = NULL;
STACK_OF(X509) *result = sk_X509_new_null();
if (files == NULL)
goto err;
if (result == NULL)
goto oom;
while (files != NULL) {
char *next = next_item(files);
if (!load_certs_autofmt(files, &certs, 0, pass, desc))
goto err;
if (!sk_X509_add1_certs(result, certs, 0, 1 /* no dups */, 0))
goto oom;
sk_X509_pop_free(certs, X509_free);
certs = NULL;
files = next;
}
return result;
oom:
BIO_printf(bio_err, "out of memory\n");
err:
sk_X509_pop_free(certs, X509_free);
sk_X509_pop_free(result, X509_free);
return NULL;
}
typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs);
typedef int (*add_X509_fn_t)(void *ctx, const X509 *cert);
static int setup_certs(char *files, const char *desc, void *ctx,
add_X509_stack_fn_t addn_fn, add_X509_fn_t add1_fn)
{
int ret = 1;
if (files != NULL) {
STACK_OF(X509) *certs = load_certs_multifile(files, opt_otherpass,
desc);
if (certs == NULL) {
ret = 0;
} else {
if (addn_fn != NULL) {
ret = (*addn_fn)(ctx, certs);
} else {
int i;
for (i = 0; i < sk_X509_num(certs /* may be NULL */); i++)
ret &= (*add1_fn)(ctx, sk_X509_value(certs, i));
}
sk_X509_pop_free(certs, X509_free);
}
}
return ret;
}
/*
* parse and transform some options, checking their syntax.
* Returns 1 on success, 0 on error
*/
static int transform_opts(void)
{
if (opt_cmd_s != NULL) {
if (!strcmp(opt_cmd_s, "ir")) {
opt_cmd = CMP_IR;
} else if (!strcmp(opt_cmd_s, "kur")) {
opt_cmd = CMP_KUR;
} else if (!strcmp(opt_cmd_s, "cr")) {
opt_cmd = CMP_CR;
} else if (!strcmp(opt_cmd_s, "p10cr")) {
opt_cmd = CMP_P10CR;
} else if (!strcmp(opt_cmd_s, "rr")) {
opt_cmd = CMP_RR;
} else if (!strcmp(opt_cmd_s, "genm")) {
opt_cmd = CMP_GENM;
} else {
CMP_err1("unknown cmp command '%s'", opt_cmd_s);
return 0;
}
} else {
CMP_err("no cmp command to execute");
return 0;
}
#ifdef OPENSSL_NO_ENGINE
# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_ENGINE)
#else
# define FORMAT_OPTIONS (OPT_FMT_PEMDER | OPT_FMT_PKCS12)
#endif
if (opt_keyform_s != NULL
&& !opt_format(opt_keyform_s, FORMAT_OPTIONS, &opt_keyform)) {
CMP_err("unknown option given for key loading format");
return 0;
}
#undef FORMAT_OPTIONS
if (opt_certform_s != NULL
&& !opt_format(opt_certform_s, OPT_FMT_PEMDER, &opt_certform)) {
CMP_err("unknown option given for certificate storing format");
return 0;
}
if (opt_certsform_s != NULL
&& !opt_format(opt_certsform_s, OPT_FMT_PEMDER | OPT_FMT_PKCS12,
&opt_certsform)) {
CMP_err("unknown option given for certificate list loading format");
return 0;
}
return 1;
}
static OSSL_CMP_SRV_CTX *setup_srv_ctx(ENGINE *engine)
{
OSSL_CMP_CTX *ctx; /* extra CMP (client) ctx partly used by server */
OSSL_CMP_SRV_CTX *srv_ctx = ossl_cmp_mock_srv_new();
if (srv_ctx == NULL)
return NULL;
ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx);
if (opt_srv_ref == NULL) {
if (opt_srv_cert == NULL) {
/* opt_srv_cert should determine the sender */
CMP_err("must give -srv_ref for server if no -srv_cert given");
goto err;
}
} else {
if (!OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_srv_ref,
strlen(opt_srv_ref)))
goto err;
}
if (opt_srv_secret != NULL) {
int res;
char *pass_str = get_passwd(opt_srv_secret, "PBMAC secret of server");
if (pass_str != NULL) {
cleanse(opt_srv_secret);
res = OSSL_CMP_CTX_set1_secretValue(ctx, (unsigned char *)pass_str,
strlen(pass_str));
clear_free(pass_str);
if (res == 0)
goto err;
}
} else if (opt_srv_cert == NULL) {
CMP_err("server credentials must be given if -use_mock_srv or -port is used");
goto err;
} else {
CMP_warn("server will not be able to handle PBM-protected requests since -srv_secret is not given");
}
if (opt_srv_secret == NULL
&& ((opt_srv_cert == NULL) != (opt_srv_key == NULL))) {
CMP_err("must give both -srv_cert and -srv_key options or neither");
goto err;
}
if (opt_srv_cert != NULL) {
X509 *srv_cert = load_cert_pwd(opt_srv_cert, opt_srv_keypass,
"certificate of the server");
if (srv_cert == NULL || !OSSL_CMP_CTX_set1_cert(ctx, srv_cert)) {
X509_free(srv_cert);
goto err;
}
X509_free(srv_cert);
}
if (opt_srv_key != NULL) {
EVP_PKEY *pkey = load_key_pwd(opt_srv_key, opt_keyform,
opt_srv_keypass,
engine, "private key for server cert");
if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
EVP_PKEY_free(pkey);
goto err;
}
EVP_PKEY_free(pkey);
}
cleanse(opt_srv_keypass);
if (opt_srv_trusted != NULL) {
X509_STORE *ts =
load_certstore(opt_srv_trusted, "certificates trusted by server");
if (ts == NULL)
goto err;
if (!set1_store_parameters(ts)
|| !truststore_set_host_etc(ts, NULL)
|| !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
X509_STORE_free(ts);
goto err;
}
} else {
CMP_warn("server will not be able to handle signature-protected requests since -srv_trusted is not given");
}
if (!setup_certs(opt_srv_untrusted, "untrusted certificates", ctx,
(add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
NULL))
goto err;
if (opt_rsp_cert == NULL) {
CMP_err("must give -rsp_cert for mock server");
goto err;
} else {
X509 *cert = load_cert_pwd(opt_rsp_cert, opt_keypass,
"cert to be returned by the mock server");
if (cert == NULL)
goto err;
/* from server perspective the server is the client */
if (!ossl_cmp_mock_srv_set1_certOut(srv_ctx, cert)) {
X509_free(cert);
goto err;
}
X509_free(cert);
}
/* TODO find a cleaner solution not requiring type casts */
if (!setup_certs(opt_rsp_extracerts,
"CMP extra certificates for mock server", srv_ctx,
(add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_chainOut,
NULL))
goto err;
if (!setup_certs(opt_rsp_capubs, "caPubs for mock server", srv_ctx,
(add_X509_stack_fn_t)ossl_cmp_mock_srv_set1_caPubsOut,
NULL))
goto err;
(void)ossl_cmp_mock_srv_set_pollCount(srv_ctx, opt_poll_count);
(void)ossl_cmp_mock_srv_set_checkAfterTime(srv_ctx, opt_check_after);
if (opt_grant_implicitconf)
(void)OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(srv_ctx, 1);
if (opt_failure != INT_MIN) { /* option has been set explicity */
if (opt_failure < 0 || OSSL_CMP_PKIFAILUREINFO_MAX < opt_failure) {
CMP_err1("-failure out of range, should be >= 0 and <= %d",
OSSL_CMP_PKIFAILUREINFO_MAX);
goto err;
}
if (opt_failurebits != 0)
CMP_warn("-failurebits overrides -failure");
else
opt_failurebits = 1 << opt_failure;
}
if ((unsigned)opt_failurebits > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
CMP_err("-failurebits out of range");
goto err;
}
if (!ossl_cmp_mock_srv_set_statusInfo(srv_ctx, opt_pkistatus,
opt_failurebits, opt_statusstring))
goto err;
if (opt_send_error)
(void)ossl_cmp_mock_srv_set_send_error(srv_ctx, 1);
if (opt_send_unprotected)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
if (opt_send_unprot_err)
(void)OSSL_CMP_SRV_CTX_set_send_unprotected_errors(srv_ctx, 1);
if (opt_accept_unprotected)
(void)OSSL_CMP_SRV_CTX_set_accept_unprotected(srv_ctx, 1);
if (opt_accept_unprot_err)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
if (opt_accept_raverified)
(void)OSSL_CMP_SRV_CTX_set_accept_raverified(srv_ctx, 1);
return srv_ctx;
err:
ossl_cmp_mock_srv_free(srv_ctx);
return NULL;
}
/*
* set up verification aspects of OSSL_CMP_CTX w.r.t. opts from config file/CLI.
* Returns pointer on success, NULL on error
*/
static int setup_verification_ctx(OSSL_CMP_CTX *ctx)
{
if (!setup_certs(opt_untrusted, "untrusted certificates", ctx,
(add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted_certs,
NULL))
goto err;
if (opt_srvcert != NULL || opt_trusted != NULL) {
X509_STORE *ts = NULL;
if (opt_srvcert != NULL) {
X509 *srvcert;
if (opt_trusted != NULL) {
CMP_warn("-trusted option is ignored since -srvcert option is present");
opt_trusted = NULL;
}
if (opt_recipient != NULL) {
CMP_warn("-recipient option is ignored since -srvcert option is present");
opt_recipient = NULL;
}
srvcert = load_cert_pwd(opt_srvcert, opt_otherpass,
"directly trusted CMP server certificate");
if (srvcert == NULL)
/*
* opt_otherpass is needed in case
* opt_srvcert is an encrypted PKCS#12 file
*/
goto err;
if (!OSSL_CMP_CTX_set1_srvCert(ctx, srvcert)) {
X509_free(srvcert);
goto oom;
}
X509_free(srvcert);
if ((ts = X509_STORE_new()) == NULL)
goto oom;
}
if (opt_trusted != NULL
&& (ts = load_certstore(opt_trusted, "trusted certificates"))
== NULL)
goto err;
if (!set1_store_parameters(ts) /* also copies vpm */
/*
* clear any expected host/ip/email address;
* opt_expect_sender is used instead
*/
|| !truststore_set_host_etc(ts, NULL)
|| !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) {
X509_STORE_free(ts);
goto oom;
}
}
if (opt_ignore_keyusage)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IGNORE_KEYUSAGE, 1);
if (opt_unprotected_errors)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1);
if (opt_out_trusted != NULL) { /* for use in OSSL_CMP_certConf_cb() */
X509_VERIFY_PARAM *out_vpm = NULL;
X509_STORE *out_trusted =
load_certstore(opt_out_trusted,
"trusted certs for verifying newly enrolled cert");
if (out_trusted == NULL)
goto err;
/* any -verify_hostname, -verify_ip, and -verify_email apply here */
if (!set1_store_parameters(out_trusted))
goto oom;
/* ignore any -attime here, new certs are current anyway */
out_vpm = X509_STORE_get0_param(out_trusted);
X509_VERIFY_PARAM_clear_flags(out_vpm, X509_V_FLAG_USE_CHECK_TIME);
(void)OSSL_CMP_CTX_set_certConf_cb_arg(ctx, out_trusted);
}
if (opt_disable_confirm)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DISABLE_CONFIRM, 1);
if (opt_implicit_confirm)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
(void)OSSL_CMP_CTX_set_certConf_cb(ctx, OSSL_CMP_certConf_cb);
return 1;
oom:
CMP_err("out of memory");
err:
return 0;
}
#ifndef OPENSSL_NO_SOCK
/*
* set up ssl_ctx for the OSSL_CMP_CTX based on options from config file/CLI.
* Returns pointer on success, NULL on error
*/
static SSL_CTX *setup_ssl_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
{
STACK_OF(X509) *untrusted_certs = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
EVP_PKEY *pkey = NULL;
X509_STORE *trust_store = NULL;
SSL_CTX *ssl_ctx;
int i;
ssl_ctx = SSL_CTX_new(TLS_client_method());
if (ssl_ctx == NULL)
return NULL;
SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
if (opt_tls_trusted != NULL) {
if ((trust_store = load_certstore(opt_tls_trusted,
"trusted TLS certificates")) == NULL)
goto err;
SSL_CTX_set_cert_store(ssl_ctx, trust_store);
/* for improved diagnostics on SSL_CTX_build_cert_chain() errors: */
X509_STORE_set_verify_cb(trust_store, X509_STORE_CTX_print_verify_cb);
}
if (opt_tls_cert != NULL && opt_tls_key != NULL) {
X509 *cert;
STACK_OF(X509) *certs = NULL;
if (!load_certs_autofmt(opt_tls_cert, &certs, 0, opt_tls_keypass,
"TLS client certificate (optionally with chain)"))
/*
* opt_tls_keypass is needed in case opt_tls_cert is an encrypted
* PKCS#12 file
*/
goto err;
cert = sk_X509_delete(certs, 0);
if (cert == NULL || SSL_CTX_use_certificate(ssl_ctx, cert) <= 0) {
CMP_err1("unable to use client TLS certificate file '%s'",
opt_tls_cert);
X509_free(cert);
sk_X509_pop_free(certs, X509_free);
goto err;
}
X509_free(cert); /* we do not need the handle any more */
/*
* Any further certs and any untrusted certs are used for constructing
* the chain to be provided with the TLS client cert to the TLS server.
*/
if (!SSL_CTX_set0_chain(ssl_ctx, certs)) {
CMP_err("could not set TLS client cert chain");
sk_X509_pop_free(certs, X509_free);
goto err;
}
for (i = 0; i < sk_X509_num(untrusted_certs); i++) {
cert = sk_X509_value(untrusted_certs, i);
if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) {
CMP_err("could not add untrusted cert to TLS client cert chain");
goto err;
}
}
if (!SSL_CTX_build_cert_chain(ssl_ctx,
SSL_BUILD_CHAIN_FLAG_UNTRUSTED |
SSL_BUILD_CHAIN_FLAG_NO_ROOT)) {
CMP_warn("could not build cert chain for own TLS cert");
OSSL_CMP_CTX_print_errors(ctx);
}
/* If present we append to the list also the certs from opt_tls_extra */
if (opt_tls_extra != NULL) {
STACK_OF(X509) *tls_extra = load_certs_multifile(opt_tls_extra,
opt_otherpass,
"extra certificates for TLS");
int res = 1;
if (tls_extra == NULL)
goto err;
for (i = 0; i < sk_X509_num(tls_extra); i++) {
cert = sk_X509_value(tls_extra, i);
if (res != 0)
res = SSL_CTX_add_extra_chain_cert(ssl_ctx, cert);
if (res == 0)
X509_free(cert);
}
sk_X509_free(tls_extra);
if (res == 0) {
BIO_printf(bio_err, "error: unable to add TLS extra certs\n");
goto err;
}
}
pkey = load_key_pwd(opt_tls_key, opt_keyform, opt_tls_keypass,
engine, "TLS client private key");
cleanse(opt_tls_keypass);
if (pkey == NULL)
goto err;
/*
* verify the key matches the cert,
* not using SSL_CTX_check_private_key(ssl_ctx)
* because it gives poor and sometimes misleading diagnostics
*/
if (!X509_check_private_key(SSL_CTX_get0_certificate(ssl_ctx),
pkey)) {
CMP_err2("TLS private key '%s' does not match the TLS certificate '%s'\n",
opt_tls_key, opt_tls_cert);
EVP_PKEY_free(pkey);
pkey = NULL; /* otherwise, for some reason double free! */
goto err;
}
if (SSL_CTX_use_PrivateKey(ssl_ctx, pkey) <= 0) {
CMP_err1("unable to use TLS client private key '%s'", opt_tls_key);
EVP_PKEY_free(pkey);
pkey = NULL; /* otherwise, for some reason double free! */
goto err;
}
EVP_PKEY_free(pkey); /* we do not need the handle any more */
}
if (opt_tls_trusted != NULL) {
/* enable and parameterize server hostname/IP address check */
if (!truststore_set_host_etc(trust_store,
opt_tls_host != NULL ?
opt_tls_host : opt_server))
/* TODO: is the server host name correct for TLS via proxy? */
goto err;
SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
}
return ssl_ctx;
err:
SSL_CTX_free(ssl_ctx);
return NULL;
}
#endif
/*
* set up protection aspects of OSSL_CMP_CTX based on options from config
* file/CLI while parsing options and checking their consistency.
* Returns 1 on success, 0 on error
*/
static int setup_protection_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
{
if (!opt_unprotected_requests && opt_secret == NULL && opt_cert == NULL) {
CMP_err("must give client credentials unless -unprotected_requests is set");
goto err;
}
if (opt_ref == NULL && opt_cert == NULL && opt_subject == NULL) {
/* cert or subject should determine the sender */
CMP_err("must give -ref if no -cert and no -subject given");
goto err;
}
if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) {
CMP_err("must give both -cert and -key options or neither");
goto err;
}
if (opt_secret != NULL) {
char *pass_string = get_passwd(opt_secret, "PBMAC");
int res;
if (pass_string != NULL) {
cleanse(opt_secret);
res = OSSL_CMP_CTX_set1_secretValue(ctx,
(unsigned char *)pass_string,
strlen(pass_string));
clear_free(pass_string);
if (res == 0)
goto err;
}
if (opt_cert != NULL || opt_key != NULL)
CMP_warn("no signature-based protection used since -secret is given");
}
if (opt_ref != NULL
&& !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref,
strlen(opt_ref)))
goto err;
if (opt_key != NULL) {
EVP_PKEY *pkey = load_key_pwd(opt_key, opt_keyform, opt_keypass, engine,
"private key for CMP client certificate");
if (pkey == NULL || !OSSL_CMP_CTX_set1_pkey(ctx, pkey)) {
EVP_PKEY_free(pkey);
goto err;
}
EVP_PKEY_free(pkey);
}
if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL) {
CMP_err("missing -secret or -srvcert or -trusted");
goto err;
}
if (opt_cert != NULL) {
X509 *cert;
STACK_OF(X509) *certs = NULL;
int ok;
if (!load_certs_autofmt(opt_cert, &certs, 0, opt_keypass,
"CMP client certificate (and optionally extra certs)"))
/* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */
goto err;
cert = sk_X509_delete(certs, 0);
if (cert == NULL) {
CMP_err("no client certificate found");
sk_X509_pop_free(certs, X509_free);
goto err;
}
ok = OSSL_CMP_CTX_set1_cert(ctx, cert);
X509_free(cert);
if (ok) {
/* add any remaining certs to the list of untrusted certs */
STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted_certs(ctx);
ok = untrusted != NULL ?
sk_X509_add1_certs(untrusted, certs, 0, 1 /* no dups */, 0) :
OSSL_CMP_CTX_set1_untrusted_certs(ctx, certs);
}
sk_X509_pop_free(certs, X509_free);
if (!ok)
goto oom;
}
if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx,
(add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut,
NULL))
goto err;
cleanse(opt_otherpass);
if (opt_unprotected_requests)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1);
if (opt_digest != NULL) {
int digest = OBJ_ln2nid(opt_digest);
if (digest == NID_undef) {
CMP_err1("digest algorithm name not recognized: '%s'", opt_digest);
goto err;
}
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest);
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest);
}
if (opt_mac != NULL) {
int mac = OBJ_ln2nid(opt_mac);
if (mac == NID_undef) {
CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac);
goto err;
}
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac);
}
return 1;
oom:
CMP_err("out of memory");
err:
return 0;
}
/*
* set up IR/CR/KUR/CertConf/RR specific parts of the OSSL_CMP_CTX
* based on options from config file/CLI.
* Returns pointer on success, NULL on error
*/
static int setup_request_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
{
if (opt_subject == NULL && opt_oldcert == NULL && opt_cert == NULL)
CMP_warn("no -subject given, neither -oldcert nor -cert available as default");
if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")
|| !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer"))
goto err;
if (opt_newkey != NULL) {
const char *file = opt_newkey;
const int format = opt_keyform;
const char *pass = opt_newkeypass;
const char *desc = "new private or public key for cert to be enrolled";
EVP_PKEY *pkey = load_key_pwd(file, format, pass, engine, NULL);
int priv = 1;
if (pkey == NULL) {
ERR_clear_error();
pkey = load_pubkey(file, format, 0, pass, engine, desc);
priv = 0;
}
cleanse(opt_newkeypass);
if (pkey == NULL || !OSSL_CMP_CTX_set0_newPkey(ctx, priv, pkey)) {
EVP_PKEY_free(pkey);
goto err;
}
}
if (opt_days > 0
&& !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS,
opt_days)) {
CMP_err("could to set requested cert validity period");
goto err;
}
if (opt_policies != NULL && opt_policy_oids != NULL) {
CMP_err("cannot have policies both via -policies and via -policy_oids");
goto err;
}
if (opt_reqexts != NULL || opt_policies != NULL) {
X509V3_CTX ext_ctx;
X509_EXTENSIONS *exts = sk_X509_EXTENSION_new_null();
if (exts == NULL)
goto err;
X509V3_set_ctx(&ext_ctx, NULL, NULL, NULL, NULL, 0);
X509V3_set_nconf(&ext_ctx, conf);
if (opt_reqexts != NULL
&& !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_reqexts, &exts)) {
CMP_err1("cannot load certificate request extension section '%s'",
opt_reqexts);
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
goto err;
}
if (opt_policies != NULL
&& !X509V3_EXT_add_nconf_sk(conf, &ext_ctx, opt_policies, &exts)) {
CMP_err1("cannot load policy cert request extension section '%s'",
opt_policies);
sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
goto err;
}
OSSL_CMP_CTX_set0_reqExtensions(ctx, exts);
}
if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) {
CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans");
goto err;
}
if (!set_gennames(ctx, opt_sans, "Subject Alternative Name"))
goto err;
if (opt_san_nodefault) {
if (opt_sans != NULL)
CMP_warn("-opt_san_nodefault has no effect when -sans is used");
(void)OSSL_CMP_CTX_set_option(ctx,
OSSL_CMP_OPT_SUBJECTALTNAME_NODEFAULT, 1);
}
if (opt_policy_oids_critical) {
if (opt_policy_oids == NULL)
CMP_warn("-opt_policy_oids_critical has no effect unless -policy_oids is given");
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POLICIES_CRITICAL, 1);
}
while (opt_policy_oids != NULL) {
ASN1_OBJECT *policy;
POLICYINFO *pinfo;
char *next = next_item(opt_policy_oids);
if ((policy = OBJ_txt2obj(opt_policy_oids, 1)) == 0) {
CMP_err1("unknown policy OID '%s'", opt_policy_oids);
goto err;
}
if ((pinfo = POLICYINFO_new()) == NULL) {
ASN1_OBJECT_free(policy);
goto err;
}
pinfo->policyid = policy;
if (!OSSL_CMP_CTX_push0_policy(ctx, pinfo)) {
CMP_err1("cannot add policy with OID '%s'", opt_policy_oids);
POLICYINFO_free(pinfo);
goto err;
}
opt_policy_oids = next;
}
if (opt_popo >= OSSL_CRMF_POPO_NONE)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_POPO_METHOD, opt_popo);
if (opt_csr != NULL) {
if (opt_cmd != CMP_P10CR) {
CMP_warn("-csr option is ignored for command other than p10cr");
} else {
X509_REQ *csr =
load_csr_autofmt(opt_csr, "PKCS#10 CSR for p10cr");
if (csr == NULL)
goto err;
if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr)) {
X509_REQ_free(csr);
goto oom;
}
X509_REQ_free(csr);
}
}
if (opt_oldcert != NULL) {
X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass,
"certificate to be updated/revoked");
/* opt_keypass is needed if opt_oldcert is an encrypted PKCS#12 file */
if (oldcert == NULL)
goto err;
if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) {
X509_free(oldcert);
goto oom;
}
X509_free(oldcert);
}
cleanse(opt_keypass);
if (opt_revreason > CRL_REASON_NONE)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_REVOCATION_REASON,
opt_revreason);
return 1;
oom:
CMP_err("out of memory");
err:
return 0;
}
static int handle_opt_geninfo(OSSL_CMP_CTX *ctx)
{
long value;
ASN1_OBJECT *type;
ASN1_INTEGER *aint;
ASN1_TYPE *val;
OSSL_CMP_ITAV *itav;
char *endstr;
char *valptr = strchr(opt_geninfo, ':');
if (valptr == NULL) {
CMP_err("missing ':' in -geninfo option");
return 0;
}
valptr[0] = '\0';
valptr++;
if (strncasecmp(valptr, "int:", 4) != 0) {
CMP_err("missing 'int:' in -geninfo option");
return 0;
}
valptr += 4;
value = strtol(valptr, &endstr, 10);
if (endstr == valptr || *endstr != '\0') {
CMP_err("cannot parse int in -geninfo option");
return 0;
}
type = OBJ_txt2obj(opt_geninfo, 1);
if (type == NULL) {
CMP_err("cannot parse OID in -geninfo option");
return 0;
}
if ((aint = ASN1_INTEGER_new()) == NULL)
goto oom;
val = ASN1_TYPE_new();
if (!ASN1_INTEGER_set(aint, value) || val == NULL) {
ASN1_INTEGER_free(aint);
goto oom;
}
ASN1_TYPE_set(val, V_ASN1_INTEGER, aint);
itav = OSSL_CMP_ITAV_create(type, val);
if (itav == NULL) {
ASN1_TYPE_free(val);
goto oom;
}
if (!OSSL_CMP_CTX_push0_geninfo_ITAV(ctx, itav)) {
OSSL_CMP_ITAV_free(itav);
return 0;
}
return 1;
oom:
ASN1_OBJECT_free(type);
CMP_err("out of memory");
return 0;
}
/*
* set up the client-side OSSL_CMP_CTX based on options from config file/CLI
* while parsing options and checking their consistency.
* Prints reason for error to bio_err.
* Returns 1 on success, 0 on error
*/
static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
{
int ret = 0;
char server_buf[200] = { '\0' };
char proxy_buf[200] = { '\0' };
char *proxy_host = NULL;
char *proxy_port_str = NULL;
if (opt_server == NULL) {
CMP_err("missing server address[:port]");
goto err;
} else if ((server_port =
parse_addr(&opt_server, server_port, "server")) < 0) {
goto err;
}
if (server_port != 0)
BIO_snprintf(server_port_s, sizeof(server_port_s), "%d", server_port);
if (!OSSL_CMP_CTX_set1_server(ctx, opt_server)
|| !OSSL_CMP_CTX_set_serverPort(ctx, server_port)
|| !OSSL_CMP_CTX_set1_serverPath(ctx, opt_path))
goto oom;
if (opt_proxy != NULL && !OSSL_CMP_CTX_set1_proxy(ctx, opt_proxy))
goto oom;
if (opt_no_proxy != NULL && !OSSL_CMP_CTX_set1_no_proxy(ctx, opt_no_proxy))
goto oom;
(void)BIO_snprintf(server_buf, sizeof(server_buf), "http%s://%s%s%s/%s",
opt_tls_used ? "s" : "", opt_server,
server_port == 0 ? "" : ":", server_port_s,
opt_path == NULL ? "" :
opt_path[0] == '/' ? opt_path + 1 : opt_path);
if (opt_proxy != NULL)
(void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", opt_proxy);
CMP_info2("will contact %s%s", server_buf, proxy_buf);
if (!transform_opts())
goto err;
if (opt_cmd == CMP_IR || opt_cmd == CMP_CR || opt_cmd == CMP_KUR) {
if (opt_newkey == NULL && opt_key == NULL && opt_csr == NULL) {
CMP_err("missing -newkey (or -key) to be certified");
goto err;
}
if (opt_certout == NULL) {
CMP_err("-certout not given, nowhere to save certificate");
goto err;
}
}
if (opt_cmd == CMP_KUR) {
char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert;
if (ref_cert == NULL) {
CMP_err("missing -oldcert option for certificate to be updated");
goto err;
}
if (opt_subject != NULL)
CMP_warn2("-subject '%s' given, which overrides the subject of '%s' in KUR",
opt_subject, ref_cert);
}
if (opt_cmd == CMP_RR && opt_oldcert == NULL) {
CMP_err("missing certificate to be revoked");
goto err;
}
if (opt_cmd == CMP_P10CR && opt_csr == NULL) {
CMP_err("missing PKCS#10 CSR for p10cr");
goto err;
}
if (opt_recipient == NULL && opt_srvcert == NULL && opt_issuer == NULL
&& opt_oldcert == NULL && opt_cert == NULL)
CMP_warn("missing -recipient, -srvcert, -issuer, -oldcert or -cert; recipient will be set to \"NULL-DN\"");
if (opt_infotype_s != NULL) {
char id_buf[100] = "id-it-";
strncat(id_buf, opt_infotype_s, sizeof(id_buf) - strlen(id_buf) - 1);
if ((opt_infotype = OBJ_sn2nid(id_buf)) == NID_undef) {
CMP_err("unknown OID name in -infotype option");
goto err;
}
}
if (!setup_verification_ctx(ctx))
goto err;
if (opt_msg_timeout >= 0) /* must do this before setup_ssl_ctx() */
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT,
opt_msg_timeout);
if (opt_total_timeout >= 0)
(void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT,
opt_total_timeout);
if (opt_reqin != NULL && opt_rspin != NULL)
CMP_warn("-reqin is ignored since -rspin is present");
if (opt_reqin_new_tid && opt_reqin == NULL)
CMP_warn("-reqin_new_tid is ignored since -reqin is not present");
if (opt_reqin != NULL || opt_reqout != NULL
|| opt_rspin != NULL || opt_rspout != NULL || opt_use_mock_srv)
(void)OSSL_CMP_CTX_set_transfer_cb(ctx, read_write_req_resp);
if ((opt_tls_cert != NULL || opt_tls_key != NULL
|| opt_tls_keypass != NULL || opt_tls_extra != NULL
|| opt_tls_trusted != NULL || opt_tls_host != NULL)
&& !opt_tls_used)
CMP_warn("TLS options(s) given but not -tls_used");
if (opt_tls_used) {
#ifdef OPENSSL_NO_SOCK
BIO_printf(bio_err, "Cannot use TLS - sockets not supported\n");
goto err;
#else
APP_HTTP_TLS_INFO *info;
if (opt_tls_cert != NULL
|| opt_tls_key != NULL || opt_tls_keypass != NULL) {
if (opt_tls_key == NULL) {
CMP_err("missing -tls_key option");
goto err;
} else if (opt_tls_cert == NULL) {
CMP_err("missing -tls_cert option");
goto err;
}
}
if (opt_use_mock_srv) {
CMP_err("cannot use TLS options together with -use_mock_srv");
goto err;
}
if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
goto err;
(void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
/* info will be freed along with CMP ctx */
info->server = opt_server;
info->port = server_port_s;
info->use_proxy = opt_proxy != NULL;
info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT);
info->ssl_ctx = setup_ssl_ctx(ctx, engine);
if (info->ssl_ctx == NULL)
goto err;
(void)OSSL_CMP_CTX_set_http_cb(ctx, app_http_tls_cb);
#endif
}
if (!setup_protection_ctx(ctx, engine))
goto err;
if (!setup_request_ctx(ctx, engine))
goto err;
if (!set_name(opt_recipient, OSSL_CMP_CTX_set1_recipient, ctx, "recipient")
|| !set_name(opt_expect_sender, OSSL_CMP_CTX_set1_expected_sender,
ctx, "expected sender"))
goto err;
if (opt_geninfo != NULL && !handle_opt_geninfo(ctx))
goto err;
ret = 1;
err:
OPENSSL_free(proxy_host);
OPENSSL_free(proxy_port_str);
return ret;
oom:
CMP_err("out of memory");
goto err;
}
/*
* write out the given certificate to the output specified by bio.
* Depending on options use either PEM or DER format.
* Returns 1 on success, 0 on error
*/
static int write_cert(BIO *bio, X509 *cert)
{
if ((opt_certform == FORMAT_PEM && PEM_write_bio_X509(bio, cert))
|| (opt_certform == FORMAT_ASN1 && i2d_X509_bio(bio, cert)))
return 1;
if (opt_certform != FORMAT_PEM && opt_certform != FORMAT_ASN1)
BIO_printf(bio_err,
"error: unsupported type '%s' for writing certificates\n",
opt_certform_s);
return 0;
}
/*
* writes out a stack of certs to the given file.
* Depending on options use either PEM or DER format,
* where DER does not make much sense for writing more than one cert!
* Returns number of written certificates on success, 0 on error.
*/
static int save_certs(OSSL_CMP_CTX *ctx,
STACK_OF(X509) *certs, char *destFile, char *desc)
{
BIO *bio = NULL;
int i;
int n = sk_X509_num(certs);
CMP_info3("received %d %s certificate(s), saving to file '%s'",
n, desc, destFile);
if (n > 1 && opt_certform != FORMAT_PEM)
CMP_warn("saving more than one certificate in non-PEM format");
if (destFile == NULL || (bio = BIO_new(BIO_s_file())) == NULL
|| !BIO_write_filename(bio, (char *)destFile)) {
CMP_err1("could not open file '%s' for writing", destFile);
n = -1;
goto err;
}
for (i = 0; i < n; i++) {
if (!write_cert(bio, sk_X509_value(certs, i))) {
CMP_err1("cannot write certificate to file '%s'", destFile);
n = -1;
goto err;
}
}
err:
BIO_free(bio);
return n;
}
static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs)
{
OSSL_CMP_ITAV *itav = NULL;
char buf[128];
int i;
int n = sk_OSSL_CMP_ITAV_num(itavs); /* itavs == NULL leads to 0 */
if (n == 0) {
CMP_info("genp contains no ITAV");
return;
}
for (i = 0; i < n; i++) {
itav = sk_OSSL_CMP_ITAV_value(itavs, i);
OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0);
CMP_info1("genp contains ITAV of type: %s", buf);
}
}
static char opt_item[SECTION_NAME_MAX + 1];
/* get previous name from a comma-separated list of names */
static const char *prev_item(const char *opt, const char *end)
{
const char *beg;
size_t len;
if (end == opt)
return NULL;
beg = end;
while (beg != opt && beg[-1] != ',' && !isspace(beg[-1]))
beg--;
len = end - beg;
if (len > SECTION_NAME_MAX)
len = SECTION_NAME_MAX;
strncpy(opt_item, beg, len);
opt_item[SECTION_NAME_MAX] = '\0'; /* avoid gcc v8 O3 stringop-truncation */
opt_item[len] = '\0';
if (len > SECTION_NAME_MAX)
CMP_warn2("using only first %d characters of section name starting with \"%s\"",
SECTION_NAME_MAX, opt_item);
while (beg != opt && (beg[-1] == ',' || isspace(beg[-1])))
beg--;
return beg;
}
/* get str value for name from a comma-separated hierarchy of config sections */
static char *conf_get_string(const CONF *src_conf, const char *groups,
const char *name)
{
char *res = NULL;
const char *end = groups + strlen(groups);
while ((end = prev_item(groups, end)) != NULL) {
if ((res = NCONF_get_string(src_conf, opt_item, name)) != NULL)
return res;
}
return res;
}
/* get long val for name from a comma-separated hierarchy of config sections */
static int conf_get_number_e(const CONF *conf_, const char *groups,
const char *name, long *result)
{
char *str = conf_get_string(conf_, groups, name);
char *tailptr;
long res;
if (str == NULL || *str == '\0')
return 0;
res = strtol(str, &tailptr, 10);
if (res == LONG_MIN || res == LONG_MAX || *tailptr != '\0')
return 0;
*result = res;
return 1;
}
/*
* use the command line option table to read values from the CMP section
* of openssl.cnf. Defaults are taken from the config file, they can be
* overwritten on the command line.
*/
static int read_config(void)
{
unsigned int i;
long num = 0;
char *txt = NULL;
const OPTIONS *opt;
int provider_option;
int verification_option;
/*
* starting with offset OPT_SECTION because OPT_CONFIG and OPT_SECTION would
* not make sense within the config file. They have already been handled.
*/
for (i = OPT_SECTION - OPT_HELP, opt = &cmp_options[OPT_SECTION];
opt->name; i++, opt++) {
if (!strcmp(opt->name, OPT_SECTION_STR)
|| !strcmp(opt->name, OPT_MORE_STR)) {
i--;
continue;
}
provider_option = (OPT_PROV__FIRST <= opt->retval
&& opt->retval < OPT_PROV__LAST);
verification_option = (OPT_V__FIRST <= opt->retval
&& opt->retval < OPT_V__LAST);
if (provider_option || verification_option)
i--;
if (cmp_vars[i].txt == NULL) {
CMP_err1("internal: cmp_vars array too short, i=%d", i);
return 0;
}
switch (opt->valtype) {
case '-':
case 'n':
case 'l':
if (!conf_get_number_e(conf, opt_section, opt->name, &num)) {
ERR_clear_error();
continue; /* option not provided */
}
break;
/*
* do not use '<' in cmp_options. Incorrect treatment
* somewhere in args_verify() can wrongly set badarg = 1
*/
case '<':
case 's':
case 'M':
txt = conf_get_string(conf, opt_section, opt->name);
if (txt == NULL) {
ERR_clear_error();
continue; /* option not provided */
}
break;
default:
CMP_err2("internal: unsupported type '%c' for option '%s'",
opt->valtype, opt->name);
return 0;
break;
}
if (provider_option || verification_option) {
int conf_argc = 1;
char *conf_argv[3];
char arg1[82];
BIO_snprintf(arg1, 81, "-%s", (char *)opt->name);
conf_argv[0] = prog;
conf_argv[1] = arg1;
if (opt->valtype == '-') {
if (num != 0)
conf_argc = 2;
} else {
conf_argc = 3;
conf_argv[2] = conf_get_string(conf, opt_section, opt->name);
/* not NULL */
}
if (conf_argc > 1) {
(void)opt_init(conf_argc, conf_argv, cmp_options);
if (provider_option
? !opt_provider(opt_next())
: !opt_verify(opt_next(), vpm)) {
CMP_err2("for option '%s' in config file section '%s'",
opt->name, opt_section);
return 0;
}
}
} else {
switch (opt->valtype) {
case '-':
case 'n':
if (num < INT_MIN || INT_MAX < num) {
BIO_printf(bio_err,
"integer value out of range for option '%s'\n",
opt->name);
return 0;
}
*cmp_vars[i].num = (int)num;
break;
case 'l':
*cmp_vars[i].num_long = num;
break;
default:
if (txt != NULL && txt[0] == '\0')
txt = NULL; /* reset option on empty string input */
*cmp_vars[i].txt = txt;
break;
}
}
}
return 1;
}
static char *opt_str(char *opt)
{
char *arg = opt_arg();
if (arg[0] == '\0') {
CMP_warn1("argument of -%s option is empty string, resetting option",
opt);
arg = NULL;
} else if (arg[0] == '-') {
CMP_warn1("argument of -%s option starts with hyphen", opt);
}
return arg;
}
static int opt_nat(void)
{
int result = -1;
if (opt_int(opt_arg(), &result) && result < 0)
BIO_printf(bio_err, "error: argument '%s' must not be negative\n",
opt_arg());
return result;
}
/* returns 1 on success, 0 on error, -1 on -help (i.e., stop with success) */
static int get_opts(int argc, char **argv)
{
OPTION_CHOICE o;
prog = opt_init(argc, argv, cmp_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
goto opt_err;
case OPT_HELP:
opt_help(cmp_options);
return -1;
case OPT_CONFIG: /* has already been handled */
break;
case OPT_SECTION: /* has already been handled */
break;
case OPT_SERVER:
opt_server = opt_str("server");
break;
case OPT_PROXY:
opt_proxy = opt_str("proxy");
break;
case OPT_NO_PROXY:
opt_no_proxy = opt_str("no_proxy");
break;
case OPT_PATH:
opt_path = opt_str("path");
break;
case OPT_MSG_TIMEOUT:
if ((opt_msg_timeout = opt_nat()) < 0)
goto opt_err;
break;
case OPT_TOTAL_TIMEOUT:
if ((opt_total_timeout = opt_nat()) < 0)
goto opt_err;
break;
case OPT_TLS_USED:
opt_tls_used = 1;
break;
case OPT_TLS_CERT:
opt_tls_cert = opt_str("tls_cert");
break;
case OPT_TLS_KEY:
opt_tls_key = opt_str("tls_key");
break;
case OPT_TLS_KEYPASS:
opt_tls_keypass = opt_str("tls_keypass");
break;
case OPT_TLS_EXTRA:
opt_tls_extra = opt_str("tls_extra");
break;
case OPT_TLS_TRUSTED:
opt_tls_trusted = opt_str("tls_trusted");
break;
case OPT_TLS_HOST:
opt_tls_host = opt_str("tls_host");
break;
case OPT_REF:
opt_ref = opt_str("ref");
break;
case OPT_SECRET:
opt_secret = opt_str("secret");
break;
case OPT_CERT:
opt_cert = opt_str("cert");
break;
case OPT_KEY:
opt_key = opt_str("key");
break;
case OPT_KEYPASS:
opt_keypass = opt_str("keypass");
break;
case OPT_DIGEST:
opt_digest = opt_str("digest");
break;
case OPT_MAC:
opt_mac = opt_str("mac");
break;
case OPT_EXTRACERTS:
opt_extracerts = opt_str("extracerts");
break;
case OPT_UNPROTECTED_REQUESTS:
opt_unprotected_requests = 1;
break;
case OPT_TRUSTED:
opt_trusted = opt_str("trusted");
break;
case OPT_UNTRUSTED:
opt_untrusted = opt_str("untrusted");
break;
case OPT_SRVCERT:
opt_srvcert = opt_str("srvcert");
break;
case OPT_RECIPIENT:
opt_recipient = opt_str("recipient");
break;
case OPT_EXPECT_SENDER:
opt_expect_sender = opt_str("expect_sender");
break;
case OPT_IGNORE_KEYUSAGE:
opt_ignore_keyusage = 1;
break;
case OPT_UNPROTECTED_ERRORS:
opt_unprotected_errors = 1;
break;
case OPT_EXTRACERTSOUT:
opt_extracertsout = opt_str("extracertsout");
break;
case OPT_CACERTSOUT:
opt_cacertsout = opt_str("cacertsout");
break;
case OPT_V_CASES:
if (!opt_verify(o, vpm))
goto opt_err;
break;
case OPT_CMD:
opt_cmd_s = opt_str("cmd");
break;
case OPT_INFOTYPE:
opt_infotype_s = opt_str("infotype");
break;
case OPT_GENINFO:
opt_geninfo = opt_str("geninfo");
break;
case OPT_NEWKEY:
opt_newkey = opt_str("newkey");
break;
case OPT_NEWKEYPASS:
opt_newkeypass = opt_str("newkeypass");
break;
case OPT_SUBJECT:
opt_subject = opt_str("subject");
break;
case OPT_ISSUER:
opt_issuer = opt_str("issuer");
break;
case OPT_DAYS:
if ((opt_days = opt_nat()) < 0)
goto opt_err;
break;
case OPT_REQEXTS:
opt_reqexts = opt_str("reqexts");
break;
case OPT_SANS:
opt_sans = opt_str("sans");
break;
case OPT_SAN_NODEFAULT:
opt_san_nodefault = 1;
break;
case OPT_POLICIES:
opt_policies = opt_str("policies");
break;
case OPT_POLICY_OIDS:
opt_policy_oids = opt_str("policy_oids");
break;
case OPT_POLICY_OIDS_CRITICAL:
opt_policy_oids_critical = 1;
break;
case OPT_POPO:
if (!opt_int(opt_arg(), &opt_popo)
|| opt_popo < OSSL_CRMF_POPO_NONE
|| opt_popo > OSSL_CRMF_POPO_KEYENC) {
CMP_err("invalid popo spec. Valid values are -1 .. 2");
goto opt_err;
}
break;
case OPT_CSR:
opt_csr = opt_arg();
break;
case OPT_OUT_TRUSTED:
opt_out_trusted = opt_str("out_trusted");
break;
case OPT_IMPLICIT_CONFIRM:
opt_implicit_confirm = 1;
break;
case OPT_DISABLE_CONFIRM:
opt_disable_confirm = 1;
break;
case OPT_CERTOUT:
opt_certout = opt_str("certout");
break;
case OPT_OLDCERT:
opt_oldcert = opt_str("oldcert");
break;
case OPT_REVREASON:
if (!opt_int(opt_arg(), &opt_revreason)
|| opt_revreason < CRL_REASON_NONE
|| opt_revreason > CRL_REASON_AA_COMPROMISE
|| opt_revreason == 7) {
CMP_err("invalid revreason. Valid values are -1 .. 6, 8 .. 10");
goto opt_err;
}
break;
case OPT_CERTFORM:
opt_certform_s = opt_str("certform");
break;
case OPT_KEYFORM:
opt_keyform_s = opt_str("keyform");
break;
case OPT_CERTSFORM:
opt_certsform_s = opt_str("certsform");
break;
case OPT_OTHERPASS:
opt_otherpass = opt_str("otherpass");
break;
#ifndef OPENSSL_NO_ENGINE
case OPT_ENGINE:
opt_engine = opt_str("engine");
break;
#endif
case OPT_PROV_CASES:
if (!opt_provider(o))
goto opt_err;
break;
case OPT_BATCH:
opt_batch = 1;
break;
case OPT_REPEAT:
opt_repeat = opt_nat();
break;
case OPT_REQIN:
opt_reqin = opt_str("reqin");
break;
case OPT_REQIN_NEW_TID:
opt_reqin_new_tid = 1;
break;
case OPT_REQOUT:
opt_reqout = opt_str("reqout");
break;
case OPT_RSPIN:
opt_rspin = opt_str("rspin");
break;
case OPT_RSPOUT:
opt_rspout = opt_str("rspout");
break;
case OPT_USE_MOCK_SRV:
opt_use_mock_srv = 1;
break;
case OPT_PORT:
opt_port = opt_str("port");
break;
case OPT_MAX_MSGS:
if ((opt_max_msgs = opt_nat()) < 0)
goto opt_err;
break;
case OPT_SRV_REF:
opt_srv_ref = opt_str("srv_ref");
break;
case OPT_SRV_SECRET:
opt_srv_secret = opt_str("srv_secret");
break;
case OPT_SRV_CERT:
opt_srv_cert = opt_str("srv_cert");
break;
case OPT_SRV_KEY:
opt_srv_key = opt_str("srv_key");
break;
case OPT_SRV_KEYPASS:
opt_srv_keypass = opt_str("srv_keypass");
break;
case OPT_SRV_TRUSTED:
opt_srv_trusted = opt_str("srv_trusted");
break;
case OPT_SRV_UNTRUSTED:
opt_srv_untrusted = opt_str("srv_untrusted");
break;
case OPT_RSP_CERT:
opt_rsp_cert = opt_str("rsp_cert");
break;
case OPT_RSP_EXTRACERTS:
opt_rsp_extracerts = opt_str("rsp_extracerts");
break;
case OPT_RSP_CAPUBS:
opt_rsp_capubs = opt_str("rsp_capubs");
break;
case OPT_POLL_COUNT:
opt_poll_count = opt_nat();
break;
case OPT_CHECK_AFTER:
opt_check_after = opt_nat();
break;
case OPT_GRANT_IMPLICITCONF:
opt_grant_implicitconf = 1;
break;
case OPT_PKISTATUS:
opt_pkistatus = opt_nat();
break;
case OPT_FAILURE:
opt_failure = opt_nat();
break;
case OPT_FAILUREBITS:
opt_failurebits = opt_nat();
break;
case OPT_STATUSSTRING:
opt_statusstring = opt_str("statusstring");
break;
case OPT_SEND_ERROR:
opt_send_error = 1;
break;
case OPT_SEND_UNPROTECTED:
opt_send_unprotected = 1;
break;
case OPT_SEND_UNPROT_ERR:
opt_send_unprot_err = 1;
break;
case OPT_ACCEPT_UNPROTECTED:
opt_accept_unprotected = 1;
break;
case OPT_ACCEPT_UNPROT_ERR:
opt_accept_unprot_err = 1;
break;
case OPT_ACCEPT_RAVERIFIED:
opt_accept_raverified = 1;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (argc != 0) {
CMP_err1("unknown parameter %s", argv[0]);
goto opt_err;
}
return 1;
opt_err:
CMP_err1("use -help for summary of '%s' options", prog);
return 0;
}
int cmp_main(int argc, char **argv)
{
char *configfile = NULL;
int i;
X509 *newcert = NULL;
ENGINE *engine = NULL;
char mock_server[] = "mock server:1";
int ret = 0; /* default: failure */
if (argc <= 1) {
opt_help(cmp_options);
goto err;
}
/*
* handle OPT_CONFIG and OPT_SECTION upfront to take effect for other opts
*/
for (i = 1; i < argc - 1; i++) {
if (*argv[i] == '-') {
if (!strcmp(argv[i] + 1, cmp_options[OPT_CONFIG - OPT_HELP].name))
opt_config = argv[i + 1];
else if (!strcmp(argv[i] + 1,
cmp_options[OPT_SECTION - OPT_HELP].name))
opt_section = argv[i + 1];
}
}
if (opt_section[0] == '\0') /* empty string */
opt_section = DEFAULT_SECTION;
vpm = X509_VERIFY_PARAM_new();
if (vpm == NULL) {
CMP_err("out of memory");
goto err;
}
/* read default values for options from config file */
configfile = opt_config != NULL ? opt_config : default_config_file;
if (configfile && configfile[0] != '\0' /* non-empty string */
&& (configfile != default_config_file
|| access(configfile, F_OK) != -1)) {
CMP_info1("using OpenSSL configuration file '%s'", configfile);
conf = app_load_config(configfile);
if (conf == NULL) {
goto err;
} else {
if (strcmp(opt_section, CMP_SECTION) == 0) { /* default */
if (!NCONF_get_section(conf, opt_section))
CMP_info2("no [%s] section found in config file '%s';"
" will thus use just [default] and unnamed section if present",
opt_section, configfile);
} else {
const char *end = opt_section + strlen(opt_section);
while ((end = prev_item(opt_section, end)) != NULL) {
if (!NCONF_get_section(conf, opt_item)) {
CMP_err2("no [%s] section found in config file '%s'",
opt_item, configfile);
goto err;
}
}
}
if (!read_config())
goto err;
}
}
(void)BIO_flush(bio_err); /* prevent interference with opt_help() */
ret = get_opts(argc, argv);
if (ret <= 0)
goto err;
ret = 0;
if (opt_batch) {
#ifndef OPENSSL_NO_ENGINE
UI_METHOD *ui_fallback_method;
# ifndef OPENSSL_NO_UI_CONSOLE
ui_fallback_method = UI_OpenSSL();
# else
ui_fallback_method = (UI_METHOD *)UI_null();
# endif
UI_method_set_reader(ui_fallback_method, NULL);
#endif
}
if (opt_engine != NULL)
engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0);
if (opt_port != NULL) {
if (opt_use_mock_srv) {
CMP_err("cannot use both -port and -use_mock_srv options");
goto err;
}
if (opt_server != NULL) {
CMP_err("cannot use both -port and -server options");
goto err;
}
}
if ((cmp_ctx = OSSL_CMP_CTX_new()) == NULL) {
CMP_err("out of memory");
goto err;
}
if (!OSSL_CMP_CTX_set_log_cb(cmp_ctx, print_to_bio_out)) {
CMP_err1("cannot set up error reporting and logging for %s", prog);
goto err;
}
if ((opt_use_mock_srv || opt_port != NULL)) {
OSSL_CMP_SRV_CTX *srv_ctx;
if ((srv_ctx = setup_srv_ctx(engine)) == NULL)
goto err;
OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx);
if (!OSSL_CMP_CTX_set_log_cb(OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx),
print_to_bio_out)) {
CMP_err1("cannot set up error reporting and logging for %s", prog);
goto err;
}
}
if (opt_port != NULL) { /* act as very basic CMP HTTP server */
#ifdef OPENSSL_NO_SOCK
BIO_printf(bio_err, "Cannot act as server - sockets not supported\n");
#else
BIO *acbio;
BIO *cbio = NULL;
int msgs = 0;
if ((acbio = http_server_init_bio(prog, opt_port)) == NULL)
goto err;
while (opt_max_msgs <= 0 || msgs < opt_max_msgs) {
char *path = NULL;
OSSL_CMP_MSG *req = NULL;
OSSL_CMP_MSG *resp = NULL;
ret = http_server_get_asn1_req(ASN1_ITEM_rptr(OSSL_CMP_MSG),
(ASN1_VALUE **)&req, &path,
&cbio, acbio, prog, 0, 0);
if (ret == 0)
continue;
if (ret++ == -1)
break; /* fatal error */
ret = 0;
msgs++;
if (req != NULL) {
if (strcmp(path, "") != 0 && strcmp(path, "pkix/") != 0) {
(void)http_server_send_status(cbio, 404, "Not Found");
CMP_err1("Expecting empty path or 'pkix/' but got '%s'",
path);
OPENSSL_free(path);
OSSL_CMP_MSG_free(req);
goto cont;
}
OPENSSL_free(path);
resp = OSSL_CMP_CTX_server_perform(cmp_ctx, req);
OSSL_CMP_MSG_free(req);
if (resp == NULL) {
(void)http_server_send_status(cbio,
500, "Internal Server Error");
break; /* treated as fatal error */
}
ret = http_server_send_asn1_resp(cbio, "application/pkixcmp",
ASN1_ITEM_rptr(OSSL_CMP_MSG),
(const ASN1_VALUE *)resp);
OSSL_CMP_MSG_free(resp);
if (!ret)
break; /* treated as fatal error */
} else {
(void)http_server_send_status(cbio, 400, "Bad Request");
}
cont:
BIO_free_all(cbio);
cbio = NULL;
}
BIO_free_all(cbio);
BIO_free_all(acbio);
#endif
goto err;
}
/* else act as CMP client */
if (opt_use_mock_srv) {
if (opt_server != NULL) {
CMP_err("cannot use both -use_mock_srv and -server options");
goto err;
}
if (opt_proxy != NULL) {
CMP_err("cannot use both -use_mock_srv and -proxy options");
goto err;
}
opt_server = mock_server;
opt_proxy = "API";
} else {
if (opt_server == NULL) {
CMP_err("missing -server option");
goto err;
}
}
if (!setup_client_ctx(cmp_ctx, engine)) {
CMP_err("cannot set up CMP context");
goto err;
}
for (i = 0; i < opt_repeat; i++) {
/* everything is ready, now connect and perform the command! */
switch (opt_cmd) {
case CMP_IR:
newcert = OSSL_CMP_exec_IR_ses(cmp_ctx);
if (newcert == NULL)
goto err;
break;
case CMP_KUR:
newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx);
if (newcert == NULL)
goto err;
break;
case CMP_CR:
newcert = OSSL_CMP_exec_CR_ses(cmp_ctx);
if (newcert == NULL)
goto err;
break;
case CMP_P10CR:
newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx);
if (newcert == NULL)
goto err;
break;
case CMP_RR:
if (OSSL_CMP_exec_RR_ses(cmp_ctx) == NULL)
goto err;
break;
case CMP_GENM:
{
STACK_OF(OSSL_CMP_ITAV) *itavs;
if (opt_infotype != NID_undef) {
OSSL_CMP_ITAV *itav =
OSSL_CMP_ITAV_create(OBJ_nid2obj(opt_infotype), NULL);
if (itav == NULL)
goto err;
OSSL_CMP_CTX_push0_genm_ITAV(cmp_ctx, itav);
}
if ((itavs = OSSL_CMP_exec_GENM_ses(cmp_ctx)) == NULL)
goto err;
print_itavs(itavs);
sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
break;
}
default:
break;
}
{
/* print PKIStatusInfo (this is in case there has been no error) */
int status = OSSL_CMP_CTX_get_status(cmp_ctx);
char *buf = app_malloc(OSSL_CMP_PKISI_BUFLEN, "PKIStatusInfo buf");
const char *string =
OSSL_CMP_CTX_snprint_PKIStatus(cmp_ctx, buf,
OSSL_CMP_PKISI_BUFLEN);
CMP_print(bio_err,
status == OSSL_CMP_PKISTATUS_accepted ? "info" :
status == OSSL_CMP_PKISTATUS_rejection ? "server error" :
status == OSSL_CMP_PKISTATUS_waiting ? "internal error"
: "warning",
"received from %s %s %s", opt_server,
string != NULL ? string : "<unknown PKIStatus>", "");
OPENSSL_free(buf);
}
if (opt_cacertsout != NULL) {
STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_caPubs(cmp_ctx);
if (sk_X509_num(certs) > 0
&& save_certs(cmp_ctx, certs, opt_cacertsout, "CA") < 0) {
sk_X509_pop_free(certs, X509_free);
goto err;
}
sk_X509_pop_free(certs, X509_free);
}
if (opt_extracertsout != NULL) {
STACK_OF(X509) *certs = OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx);
if (sk_X509_num(certs) > 0
&& save_certs(cmp_ctx, certs, opt_extracertsout,
"extra") < 0) {
sk_X509_pop_free(certs, X509_free);
goto err;
}
sk_X509_pop_free(certs, X509_free);
}
if (opt_certout != NULL && newcert != NULL) {
STACK_OF(X509) *certs = sk_X509_new_null();
if (certs == NULL || !sk_X509_push(certs, newcert)
|| save_certs(cmp_ctx, certs, opt_certout,
"enrolled") < 0) {
sk_X509_free(certs);
goto err;
}
sk_X509_free(certs);
}
if (!OSSL_CMP_CTX_reinit(cmp_ctx))
goto err;
}
ret = 1;
err:
/* in case we ended up here on error without proper cleaning */
cleanse(opt_keypass);
cleanse(opt_newkeypass);
cleanse(opt_otherpass);
cleanse(opt_tls_keypass);
cleanse(opt_secret);
cleanse(opt_srv_keypass);
cleanse(opt_srv_secret);
if (ret != 1)
OSSL_CMP_CTX_print_errors(cmp_ctx);
ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx));
{
APP_HTTP_TLS_INFO *http_tls_info =
OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx);
if (http_tls_info != NULL) {
SSL_CTX_free(http_tls_info->ssl_ctx);
OPENSSL_free(http_tls_info);
}
}
X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx));
OSSL_CMP_CTX_free(cmp_ctx);
X509_VERIFY_PARAM_free(vpm);
release_engine(engine);
NCONF_free(conf); /* must not do as long as opt_... variables are used */
OSSL_CMP_log_close();
return ret == 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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