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Diffstat (limited to 'apps/cmp.c')
| -rw-r--r-- | apps/cmp.c | 3023 |
1 files changed, 3023 insertions, 0 deletions
diff --git a/apps/cmp.c b/apps/cmp.c new file mode 100644 index 000000000000..9b9e405bb248 --- /dev/null +++ b/apps/cmp.c @@ -0,0 +1,3023 @@ +/* + * Copyright 2007-2022 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 */ +#ifndef OPENSSL_NO_SOCK +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 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_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; + +/* 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; +static char *opt_chainout = 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 = NULL; +static int opt_keyform = FORMAT_UNDEF; +static char *opt_otherpass = NULL; +static char *opt_engine = NULL; + +#ifndef OPENSSL_NO_SOCK +/* 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_rspin = NULL; +static char *opt_rspout = NULL; +static int opt_use_mock_srv = 0; + +/* mock server */ +#ifndef OPENSSL_NO_SOCK +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_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_COMMON, + OPT_CONFIG, OPT_SECTION, OPT_VERBOSITY, + + 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_CHAINOUT, + + OPT_OLDCERT, OPT_REVREASON, + +#ifndef OPENSSL_NO_SOCK + 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_EXTRACERTSOUT, OPT_CACERTSOUT, + + 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_KEYFORM, + OPT_OTHERPASS, +#ifndef OPENSSL_NO_ENGINE + OPT_ENGINE, +#endif + OPT_PROV_ENUM, + OPT_R_ENUM, + +#ifndef OPENSSL_NO_SOCK + 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_RSPIN, OPT_RSPOUT, + OPT_USE_MOCK_SRV, + +#ifndef OPENSSL_NO_SOCK + 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_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'"}, + {"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, 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. \"1.2.3.4:int:56789\""}, + + 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"}, + {"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."}, + {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"}, + {"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"), +#ifdef OPENSSL_NO_SOCK + {OPT_MORE_STR, 0, 0, + "NOTE: -server, -proxy, and -no_proxy not supported due to no-sock build"}, +#else + {"server", OPT_SERVER, 's', + "[http[s]://]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]://]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 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"}, + {"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', + "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 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"}, + {"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"), +#ifdef OPENSSL_NO_SOCK + {OPT_MORE_STR, 0, 0, + "NOTE: -tls_used and all other TLS options not supported due to no-sock 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 host name validation"}, + {"tls_host", OPT_TLS_HOST, 's', + "Address to be checked (rather than -server) during TLS host name 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 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 internal mock server at API level, bypassing socket-based HTTP"}, + + OPT_SECTION("Mock server"), +#ifdef OPENSSL_NO_SOCK + {OPT_MORE_STR, 0, 0, + "NOTE: -port and -max_msgs not supported due to no-sock 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"}, + {"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}, {(char **)&opt_verbosity}, + + {&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_chainout}, + + {&opt_oldcert}, {(char **)&opt_revreason}, + +#ifndef OPENSSL_NO_SOCK + {&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}, + {&opt_extracertsout}, {&opt_cacertsout}, + + {&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_keyform_s}, + {&opt_otherpass}, +#ifndef OPENSSL_NO_ENGINE + {&opt_engine}, +#endif + +#ifndef OPENSSL_NO_SOCK + {(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_rspin}, {&opt_rspout}, + + {(char **)&opt_use_mock_srv}, +#ifndef OPENSSL_NO_SOCK + {&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_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} +}; + +#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; +} + +static X509_REQ *load_csr_autofmt(const char *infile, const char *desc) +{ + X509_REQ *csr; + BIO *bio_bak = bio_err; + + bio_err = NULL; /* do not show errors on more than one try */ + csr = load_csr(infile, FORMAT_PEM, desc); + bio_err = bio_bak; + if (csr == NULL) { + ERR_clear_error(); + csr = load_csr(infile, FORMAT_ASN1, desc); + } + if (csr == NULL) { + ERR_print_errors(bio_err); + BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", desc, + infile); + } else { + EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr); + int ret = do_X509_REQ_verify(csr, pkey, NULL /* vfyopts */); + + if (pkey == NULL || ret < 0) + CMP_warn("error while verifying CSR self-signature"); + else if (ret == 0) + CMP_warn("CSR self-signature does not match the contents"); + } + return csr; +} + +/* set expected host name/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 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); +} + +/* 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(char **filenames) +{ + char *file; + 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); + + ret = OSSL_CMP_MSG_read(file, app_get0_libctx(), app_get0_propq()); + if (ret == NULL) + CMP_err1("cannot read PKIMessage from file '%s'", 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 (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 || prev_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; +} + +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 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; +} + +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); + return NULL; +} + +typedef int (*add_X509_stack_fn_t)(void *ctx, const STACK_OF(X509) *certs); + +static int setup_certs(char *files, const char *desc, void *ctx, + add_X509_stack_fn_t set1_fn) +{ + STACK_OF(X509) *certs; + int ok; + + if (files == NULL) + return 1; + if ((certs = load_certs_multifile(files, opt_otherpass, desc, vpm)) == NULL) + return 0; + ok = (*set1_fn)(ctx, certs); + sk_X509_pop_free(certs, X509_free); + return ok; +} + + +/* + * 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; + } + +#ifndef 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; + } + + 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(app_get0_libctx(), + app_get0_propq()); + + 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 mock 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 mock 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("mock server credentials must be given if -use_mock_srv or -port is used"); + goto err; + } else { + CMP_warn("mock 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 mock 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 mock 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_trusted(opt_srv_trusted, 0, "certs trusted by mock server"); + + if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) { + X509_STORE_free(ts); + goto err; + } + } else { + CMP_warn("mock server will not be able to handle signature-protected requests since -srv_trusted is not given"); + } + if (!setup_certs(opt_srv_untrusted, + "untrusted certificates for mock server", ctx, + (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_untrusted)) + goto err; + + if (opt_rsp_cert == NULL) { + CMP_warn("no -rsp_cert given for mock server"); + } 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); + } + 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)) + 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)) + 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)) + return 0; + + if (opt_srvcert != NULL || opt_trusted != NULL) { + X509 *srvcert; + X509_STORE *ts; + int ok; + + if (opt_srvcert != NULL) { + 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"); + ok = srvcert != NULL && OSSL_CMP_CTX_set1_srvCert(ctx, srvcert); + X509_free(srvcert); + if (!ok) + return 0; + } + if (opt_trusted != NULL) { + /* + * the 0 arg below clears any expected host/ip/email address; + * opt_expect_sender is used instead + */ + ts = load_trusted(opt_trusted, 0, "certs trusted by client"); + + if (ts == NULL || !OSSL_CMP_CTX_set0_trustedStore(ctx, ts)) { + X509_STORE_free(ts); + return 0; + } + } + } + + 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_trusted(opt_out_trusted, 1, + "trusted certs for verifying newly enrolled cert"); + + if (out_trusted == NULL) + return 0; + /* 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); + + return 1; +} + +#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, const char *host, + ENGINE *engine) +{ + STACK_OF(X509) *untrusted = OSSL_CMP_CTX_get0_untrusted(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; + + if (opt_tls_trusted != NULL) { + trust_store = load_trusted(opt_tls_trusted, 0, "trusted TLS certs"); + if (trust_store == NULL) + goto err; + SSL_CTX_set_cert_store(ssl_ctx, trust_store); + } + + if (opt_tls_cert != NULL && opt_tls_key != NULL) { + X509 *cert; + STACK_OF(X509) *certs = NULL; + int ok; + + if (!load_cert_certs(opt_tls_cert, &cert, &certs, 0, opt_tls_keypass, + "TLS client certificate (optionally with chain)", + vpm)) + /* need opt_tls_keypass if opt_tls_cert is encrypted PKCS#12 file */ + goto err; + + ok = SSL_CTX_use_certificate(ssl_ctx, cert) > 0; + X509_free(cert); + + /* + * 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 (!ok || !SSL_CTX_set0_chain(ssl_ctx, certs)) { + CMP_err1("unable to use client TLS certificate file '%s'", + opt_tls_cert); + sk_X509_pop_free(certs, X509_free); + goto err; + } + for (i = 0; i < sk_X509_num(untrusted); i++) { + cert = sk_X509_value(untrusted, i); + if (!SSL_CTX_add1_chain_cert(ssl_ctx, cert)) { + CMP_err("could not add untrusted cert to TLS client cert chain"); + goto err; + } + } + + { + X509_VERIFY_PARAM *tls_vpm = NULL; + unsigned long bak_flags = 0; /* compiler warns without init */ + + if (trust_store != NULL) { + tls_vpm = X509_STORE_get0_param(trust_store); + bak_flags = X509_VERIFY_PARAM_get_flags(tls_vpm); + /* disable any cert status/revocation checking etc. */ + X509_VERIFY_PARAM_clear_flags(tls_vpm, + ~(X509_V_FLAG_USE_CHECK_TIME + | X509_V_FLAG_NO_CHECK_TIME)); + } + CMP_debug("trying to build cert chain for own TLS cert"); + if (SSL_CTX_build_cert_chain(ssl_ctx, + SSL_BUILD_CHAIN_FLAG_UNTRUSTED | + SSL_BUILD_CHAIN_FLAG_NO_ROOT)) { + CMP_debug("success building cert chain for own TLS cert"); + } else { + OSSL_CMP_CTX_print_errors(ctx); + CMP_warn("could not build cert chain for own TLS cert"); + } + if (trust_store != NULL) + X509_VERIFY_PARAM_set_flags(tls_vpm, bak_flags); + } + + /* 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", + vpm); + 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 : host)) + goto err; + SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL); + } + return ssl_ctx; + err: + SSL_CTX_free(ssl_ctx); + return NULL; +} +#endif /* OPENSSL_NO_SOCK */ + +/* + * 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_key == NULL) { + CMP_err("must give -key or -secret unless -unprotected_requests is used"); + return 0; + } + + 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"); + return 0; + } + if (!opt_secret && ((opt_cert == NULL) != (opt_key == NULL))) { + CMP_err("must give both -cert and -key options or neither"); + return 0; + } + 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) + return 0; + } + if (opt_cert != NULL || opt_key != NULL) + CMP_warn("-cert and -key not used for protection since -secret is given"); + } + if (opt_ref != NULL + && !OSSL_CMP_CTX_set1_referenceValue(ctx, (unsigned char *)opt_ref, + strlen(opt_ref))) + return 0; + + 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); + return 0; + } + EVP_PKEY_free(pkey); + } + if (opt_secret == NULL && opt_srvcert == NULL && opt_trusted == NULL) + CMP_warn("will not authenticate server due to missing -secret, -trusted, or -srvcert"); + + if (opt_cert != NULL) { + X509 *cert; + STACK_OF(X509) *certs = NULL; + X509_STORE *own_trusted = NULL; + int ok; + + if (!load_cert_certs(opt_cert, &cert, &certs, 0, opt_keypass, + "CMP client certificate (optionally with chain)", + vpm)) + /* opt_keypass is needed if opt_cert is an encrypted PKCS#12 file */ + return 0; + ok = OSSL_CMP_CTX_set1_cert(ctx, cert); + X509_free(cert); + if (!ok) { + CMP_err("out of memory"); + } else { + if (opt_own_trusted != NULL) { + own_trusted = load_trusted(opt_own_trusted, 0, + "trusted certs for verifying own CMP signer cert"); + ok = own_trusted != NULL; + } + ok = ok && OSSL_CMP_CTX_build_cert_chain(ctx, own_trusted, certs); + } + X509_STORE_free(own_trusted); + sk_X509_pop_free(certs, X509_free); + if (!ok) + return 0; + } else if (opt_own_trusted != NULL) { + CMP_warn("-own_trusted option is ignored without -cert"); + } + + if (!setup_certs(opt_extracerts, "extra certificates for CMP", ctx, + (add_X509_stack_fn_t)OSSL_CMP_CTX_set1_extraCertsOut)) + return 0; + 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); + return 0; + } + if (!OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_DIGEST_ALGNID, digest) + || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_OWF_ALGNID, digest)) { + CMP_err1("digest algorithm name not supported: '%s'", opt_digest); + return 0; + } + } + + if (opt_mac != NULL) { + int mac = OBJ_ln2nid(opt_mac); + if (mac == NID_undef) { + CMP_err1("MAC algorithm name not recognized: '%s'", opt_mac); + return 0; + } + (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_MAC_ALGNID, mac); + } + return 1; +} + +/* + * 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) +{ + X509_REQ *csr = NULL; + X509_EXTENSIONS *exts = NULL; + X509V3_CTX ext_ctx; + + if (opt_subject == NULL + && opt_csr == NULL && opt_oldcert == NULL && opt_cert == NULL + && opt_cmd != CMP_RR && opt_cmd != CMP_GENM) + CMP_warn("no -subject given; no -csr or -oldcert or -cert available for fallback"); + + 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 and no -csr given"); + return 0; + } + if (opt_certout == NULL) { + CMP_err("-certout not given, nowhere to save newly enrolled certificate"); + return 0; + } + if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject") + || !set_name(opt_issuer, OSSL_CMP_CTX_set1_issuer, ctx, "issuer")) + return 0; + } else { + const char *msg = "option is ignored for commands other than 'ir', 'cr', and 'kur'"; + + if (opt_subject != NULL) { + if (opt_ref == NULL && opt_cert == NULL) { + /* use subject as default sender unless oldcert subject is used */ + if (!set_name(opt_subject, OSSL_CMP_CTX_set1_subjectName, ctx, "subject")) + return 0; + } else { + CMP_warn1("-subject %s since -ref or -cert is given", msg); + } + } + if (opt_issuer != NULL) + CMP_warn1("-issuer %s", msg); + if (opt_reqexts != NULL) + CMP_warn1("-reqexts %s", msg); + if (opt_san_nodefault) + CMP_warn1("-san_nodefault %s", msg); + if (opt_sans != NULL) + CMP_warn1("-sans %s", msg); + if (opt_policies != NULL) + CMP_warn1("-policies %s", msg); + if (opt_policy_oids != NULL) + CMP_warn1("-policy_oids %s", msg); + } + if (opt_cmd == CMP_KUR) { + char *ref_cert = opt_oldcert != NULL ? opt_oldcert : opt_cert; + + if (ref_cert == NULL && opt_csr == NULL) { + CMP_err("missing -oldcert for certificate to be updated and no -csr given"); + return 0; + } + if (opt_subject != NULL) + CMP_warn2("given -subject '%s' overrides the subject of '%s' for KUR", + opt_subject, ref_cert != NULL ? ref_cert : opt_csr); + } + if (opt_cmd == CMP_RR) { + if (opt_oldcert == NULL && opt_csr == NULL) { + CMP_err("missing -oldcert for certificate to be revoked and no -csr given"); + return 0; + } + if (opt_oldcert != NULL && opt_csr != NULL) + CMP_warn("ignoring -csr since certificate to be revoked is given"); + } + if (opt_cmd == CMP_P10CR && opt_csr == NULL) { + CMP_err("missing PKCS#10 CSR for p10cr"); + return 0; + } + + 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_cmd == CMP_P10CR || opt_cmd == CMP_RR) { + const char *msg = "option is ignored for 'p10cr' and 'rr' commands"; + + if (opt_newkeypass != NULL) + CMP_warn1("-newkeytype %s", msg); + if (opt_newkey != NULL) + CMP_warn1("-newkey %s", msg); + if (opt_days != 0) + CMP_warn1("-days %s", msg); + if (opt_popo != OSSL_CRMF_POPO_NONE - 1) + CMP_warn1("-popo %s", msg); + } else if (opt_newkey != NULL) { + const char *file = opt_newkey; + const int format = opt_keyform; + const char *pass = opt_newkeypass; + const char *desc = "new private key for cert to be enrolled"; + EVP_PKEY *pkey; + int priv = 1; + BIO *bio_bak = bio_err; + + bio_err = NULL; /* suppress diagnostics on first try loading key */ + pkey = load_key_pwd(file, format, pass, engine, desc); + bio_err = bio_bak; + if (pkey == NULL) { + ERR_clear_error(); + desc = opt_csr == NULL + ? "fallback public key for cert to be enrolled" + : "public key for checking cert resulting from p10cr"; + 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); + return 0; + } + } + + if (opt_days > 0 + && !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_VALIDITY_DAYS, + opt_days)) { + CMP_err("could not set requested cert validity period"); + return 0; + } + + if (opt_policies != NULL && opt_policy_oids != NULL) { + CMP_err("cannot have policies both via -policies and via -policy_oids"); + return 0; + } + + if (opt_csr != NULL) { + if (opt_cmd == CMP_GENM) { + CMP_warn("-csr option is ignored for command 'genm'"); + } else { + if ((csr = load_csr_autofmt(opt_csr, "PKCS#10 CSR")) == NULL) + return 0; + if (!OSSL_CMP_CTX_set1_p10CSR(ctx, csr)) + goto oom; + } + } + if (opt_reqexts != NULL || opt_policies != NULL) { + if ((exts = sk_X509_EXTENSION_new_null()) == NULL) + goto oom; + X509V3_set_ctx(&ext_ctx, NULL, NULL, csr, NULL, X509V3_CTX_REPLACE); + 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); + goto exts_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); + goto exts_err; + } + OSSL_CMP_CTX_set0_reqExtensions(ctx, exts); + } + X509_REQ_free(csr); + /* After here, must not goto oom/exts_err */ + + if (OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) && opt_sans != NULL) { + CMP_err("cannot have Subject Alternative Names both via -reqexts and via -sans"); + return 0; + } + if (!set_gennames(ctx, opt_sans, "Subject Alternative Name")) + return 0; + + 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); + return 0; + } + + if ((pinfo = POLICYINFO_new()) == NULL) { + ASN1_OBJECT_free(policy); + return 0; + } + 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); + return 0; + } + 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_oldcert != NULL) { + if (opt_cmd == CMP_GENM) { + CMP_warn("-oldcert option is ignored for command 'genm'"); + } else { + X509 *oldcert = load_cert_pwd(opt_oldcert, opt_keypass, + opt_cmd == CMP_KUR ? + "certificate to be updated" : + opt_cmd == CMP_RR ? + "certificate to be revoked" : + "reference certificate (oldcert)"); + /* opt_keypass needed if opt_oldcert is an encrypted PKCS#12 file */ + + if (oldcert == NULL) + return 0; + if (!OSSL_CMP_CTX_set1_oldCert(ctx, oldcert)) { + X509_free(oldcert); + CMP_err("out of memory"); + return 0; + } + 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"); + exts_err: + sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); + X509_REQ_free(csr); + 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 (OPENSSL_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 *host = NULL, *port = NULL, *path = NULL, *used_path = opt_path; +#ifndef OPENSSL_NO_SOCK + int portnum, ssl; + static char server_port[32] = { '\0' }; + const char *proxy_host = NULL; +#endif + char server_buf[200] = "mock server"; + char proxy_buf[200] = ""; + + if (!opt_use_mock_srv && opt_rspin == NULL) { /* note: -port is not given */ +#ifndef OPENSSL_NO_SOCK + if (opt_server == NULL) { + CMP_err("missing -server or -use_mock_srv or -rspin option"); + goto err; + } +#else + CMP_err("missing -use_mock_srv or -rspin option; -server option is not supported due to no-sock build"); + goto err; +#endif + } +#ifndef OPENSSL_NO_SOCK + if (opt_server == NULL) { + if (opt_proxy != NULL) + CMP_warn("ignoring -proxy option since -server is not given"); + if (opt_no_proxy != NULL) + CMP_warn("ignoring -no_proxy option since -server is not given"); + if (opt_tls_used) { + CMP_warn("ignoring -tls_used option since -server is not given"); + opt_tls_used = 0; + } + goto set_path; + } + if (!OSSL_HTTP_parse_url(opt_server, &ssl, NULL /* user */, &host, &port, + &portnum, &path, NULL /* q */, NULL /* frag */)) { + CMP_err1("cannot parse -server URL: %s", opt_server); + goto err; + } + if (ssl && !opt_tls_used) { + CMP_err("missing -tls_used option since -server URL indicates https"); + goto err; + } + + BIO_snprintf(server_port, sizeof(server_port), "%s", port); + if (opt_path == NULL) + used_path = path; + if (!OSSL_CMP_CTX_set1_server(ctx, host) + || !OSSL_CMP_CTX_set_serverPort(ctx, portnum)) + 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", + opt_tls_used ? "s" : "", host, port, + *used_path == '/' ? used_path + 1 : used_path); + + proxy_host = OSSL_HTTP_adapt_proxy(opt_proxy, opt_no_proxy, host, ssl); + if (proxy_host != NULL) + (void)BIO_snprintf(proxy_buf, sizeof(proxy_buf), " via %s", proxy_host); + + set_path: +#endif + + if (!OSSL_CMP_CTX_set1_serverPath(ctx, used_path)) + goto oom; + if (!transform_opts()) + goto err; + + 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_keep_alive != 1) + (void)OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_KEEP_ALIVE, + opt_keep_alive); + if (opt_total_timeout > 0 && opt_msg_timeout > 0 + && opt_total_timeout < opt_msg_timeout) { + CMP_err2("-total_timeout argument = %d must not be < %d (-msg_timeout)", + opt_total_timeout, opt_msg_timeout); + 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); + +#ifndef OPENSSL_NO_SOCK + if (opt_tls_used) { + 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 ((info = OPENSSL_zalloc(sizeof(*info))) == NULL) + goto err; + (void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info); + info->server = opt_server; + info->port = server_port; + /* workaround for callback design flaw, see #17088: */ + info->use_proxy = proxy_host != NULL; + info->timeout = OSSL_CMP_CTX_get_option(ctx, OSSL_CMP_OPT_MSG_TIMEOUT); + info->ssl_ctx = setup_ssl_ctx(ctx, host, 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; + + /* not printing earlier, to minimize confusion in case setup fails before */ + if (opt_rspin != NULL) + CMP_info("will not contact any server since -rspin is given"); + else + CMP_info2("will contact %s%s", server_buf, proxy_buf); + + ret = 1; + + err: + OPENSSL_free(host); + OPENSSL_free(port); + OPENSSL_free(path); + 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; +} + +/* + * If destFile != NULL writes out a stack of certs to the given file. + * In any case frees the certs. + * 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, -1 on error. + */ +static int save_free_certs(OSSL_CMP_CTX *ctx, + STACK_OF(X509) *certs, char *destFile, char *desc) +{ + BIO *bio = NULL; + int i; + int n = sk_X509_num(certs); + + if (destFile == NULL) + goto end; + 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 end; + } + + 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 end; + } + } + + end: + BIO_free(bio); + sk_X509_pop_free(certs, X509_free); + return n; +} + +static void print_itavs(STACK_OF(OSSL_CMP_ITAV) *itavs) +{ + OSSL_CMP_ITAV *itav = NULL; + char buf[128]; + int i, r; + 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); + r = OBJ_obj2txt(buf, 128, OSSL_CMP_ITAV_get0_type(itav), 0); + if (r < 0) + CMP_err("could not get ITAV details"); + else if (r == 0) + CMP_info("genp contains empty ITAV"); + else + CMP_info1("genp contains ITAV of type: %s", buf); + } +} + +static char opt_item[SECTION_NAME_MAX + 1]; +/* get previous name from a comma or space-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; + if (beg[0] == ',' || isspace(beg[0])) { + ++beg; + break; + } + } + len = end - beg; + if (len > SECTION_NAME_MAX) { + CMP_warn3("using only first %d characters of section name starting with \"%.*s\"", + SECTION_NAME_MAX, SECTION_NAME_MAX, beg); + len = SECTION_NAME_MAX; + } + memcpy(opt_item, beg, len); + opt_item[len] = '\0'; + while (beg > opt) { + --beg; + if (beg[0] != ',' && !isspace(beg[0])) { + ++beg; + break; + } + } + 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 start_opt = OPT_VERBOSITY - OPT_HELP; + int start_idx = OPT_VERBOSITY - 2; + /* + * starting with offset OPT_VERBOSITY because OPT_CONFIG and OPT_SECTION + * would not make sense within the config file. + */ + int n_options = OSSL_NELEM(cmp_options) - 1; + + for (opt = &cmp_options[start_opt], i = start_idx; + opt->name != NULL; i++, opt++) + if (!strcmp(opt->name, OPT_SECTION_STR) + || !strcmp(opt->name, OPT_MORE_STR)) + n_options--; + OPENSSL_assert(OSSL_NELEM(cmp_vars) == n_options + + OPT_PROV__FIRST + 1 - OPT_PROV__LAST + + OPT_R__FIRST + 1 - OPT_R__LAST + + OPT_V__FIRST + 1 - OPT_V__LAST); + for (opt = &cmp_options[start_opt], i = start_idx; + opt->name != NULL; i++, opt++) { + int provider_option = (OPT_PROV__FIRST <= opt->retval + && opt->retval < OPT_PROV__LAST); + int rand_state_option = (OPT_R__FIRST <= opt->retval + && opt->retval < OPT_R__LAST); + int verification_option = (OPT_V__FIRST <= opt->retval + && opt->retval < OPT_V__LAST); + + if (strcmp(opt->name, OPT_SECTION_STR) == 0 + || strcmp(opt->name, OPT_MORE_STR) == 0) { + i--; + continue; + } + if (provider_option || rand_state_option || verification_option) + i--; + switch (opt->valtype) { + case '-': + case 'p': + case 'n': + case 'N': + case 'l': + if (!conf_get_number_e(conf, opt_section, opt->name, &num)) { + ERR_clear_error(); + continue; /* option not provided */ + } + if (opt->valtype == 'p' && num <= 0) { + opt_printf_stderr("Non-positive number \"%ld\" for config option -%s\n", + num, opt->name); + return -1; + } + if (opt->valtype == 'N' && num < 0) { + opt_printf_stderr("Negative number \"%ld\" for config option -%s\n", + num, opt->name); + return -1; + } + break; + case 's': + case '>': + 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 'p': + case 'n': + 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(void) +{ + char *arg = opt_arg(); + + if (arg[0] == '\0') { + CMP_warn1("%s option argument is empty string, resetting option", + opt_flag()); + arg = NULL; + } else if (arg[0] == '-') { + CMP_warn1("%s option argument starts with hyphen", opt_flag()); + } + return arg; +} + +/* 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: + opthelp: + BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); + return 0; + case OPT_HELP: + opt_help(cmp_options); + return -1; + case OPT_CONFIG: /* has already been handled */ + case OPT_SECTION: /* has already been handled */ + break; + case OPT_VERBOSITY: + if (!set_verbosity(opt_int_arg())) + goto opthelp; + break; +#ifndef OPENSSL_NO_SOCK + case OPT_SERVER: + opt_server = opt_str(); + break; + case OPT_PROXY: + opt_proxy = opt_str(); + break; + case OPT_NO_PROXY: + opt_no_proxy = opt_str(); + break; +#endif + case OPT_RECIPIENT: + opt_recipient = opt_str(); + break; + case OPT_PATH: + opt_path = opt_str(); + break; + case OPT_KEEP_ALIVE: + opt_keep_alive = opt_int_arg(); + if (opt_keep_alive > 2) { + CMP_err("-keep_alive argument must be 0, 1, or 2"); + goto opthelp; + } + break; + case OPT_MSG_TIMEOUT: + opt_msg_timeout = opt_int_arg(); + break; + case OPT_TOTAL_TIMEOUT: + opt_total_timeout = opt_int_arg(); + break; +#ifndef OPENSSL_NO_SOCK + case OPT_TLS_USED: + opt_tls_used = 1; + break; + case OPT_TLS_CERT: + opt_tls_cert = opt_str(); + break; + case OPT_TLS_KEY: + opt_tls_key = opt_str(); + break; + case OPT_TLS_KEYPASS: + opt_tls_keypass = opt_str(); + break; + case OPT_TLS_EXTRA: + opt_tls_extra = opt_str(); + break; + case OPT_TLS_TRUSTED: + opt_tls_trusted = opt_str(); + break; + case OPT_TLS_HOST: + opt_tls_host = opt_str(); + break; +#endif + + case OPT_REF: + opt_ref = opt_str(); + break; + case OPT_SECRET: + opt_secret = opt_str(); + break; + case OPT_CERT: + opt_cert = opt_str(); + break; + case OPT_OWN_TRUSTED: + opt_own_trusted = opt_str(); + break; + case OPT_KEY: + opt_key = opt_str(); + break; + case OPT_KEYPASS: + opt_keypass = opt_str(); + break; + case OPT_DIGEST: + opt_digest = opt_str(); + break; + case OPT_MAC: + opt_mac = opt_str(); + break; + case OPT_EXTRACERTS: + opt_extracerts = opt_str(); + break; + case OPT_UNPROTECTED_REQUESTS: + opt_unprotected_requests = 1; + break; + + case OPT_TRUSTED: + opt_trusted = opt_str(); + break; + case OPT_UNTRUSTED: + opt_untrusted = opt_str(); + break; + case OPT_SRVCERT: + opt_srvcert = opt_str(); + break; + case OPT_EXPECT_SENDER: + opt_expect_sender = opt_str(); + 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(); + break; + case OPT_CACERTSOUT: + opt_cacertsout = opt_str(); + break; + + case OPT_V_CASES: + if (!opt_verify(o, vpm)) + goto opthelp; + break; + case OPT_CMD: + opt_cmd_s = opt_str(); + break; + case OPT_INFOTYPE: + opt_infotype_s = opt_str(); + break; + case OPT_GENINFO: + opt_geninfo = opt_str(); + break; + + case OPT_NEWKEY: + opt_newkey = opt_str(); + break; + case OPT_NEWKEYPASS: + opt_newkeypass = opt_str(); + break; + case OPT_SUBJECT: + opt_subject = opt_str(); + break; + case OPT_ISSUER: + opt_issuer = opt_str(); + break; + case OPT_DAYS: + opt_days = opt_int_arg(); + break; + case OPT_REQEXTS: + opt_reqexts = opt_str(); + break; + case OPT_SANS: + opt_sans = opt_str(); + break; + case OPT_SAN_NODEFAULT: + opt_san_nodefault = 1; + break; + case OPT_POLICIES: + opt_policies = opt_str(); + break; + case OPT_POLICY_OIDS: + opt_policy_oids = opt_str(); + break; + case OPT_POLICY_OIDS_CRITICAL: + opt_policy_oids_critical = 1; + break; + case OPT_POPO: + opt_popo = opt_int_arg(); + if (opt_popo < OSSL_CRMF_POPO_NONE + || opt_popo > OSSL_CRMF_POPO_KEYENC) { + CMP_err("invalid popo spec. Valid values are -1 .. 2"); + goto opthelp; + } + break; + case OPT_CSR: + opt_csr = opt_arg(); + break; + case OPT_OUT_TRUSTED: + opt_out_trusted = opt_str(); + 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(); + break; + case OPT_CHAINOUT: + opt_chainout = opt_str(); + break; + case OPT_OLDCERT: + opt_oldcert = opt_str(); + break; + case OPT_REVREASON: + opt_revreason = opt_int_arg(); + if (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 opthelp; + } + break; + case OPT_CERTFORM: + opt_certform_s = opt_str(); + break; + case OPT_KEYFORM: + opt_keyform_s = opt_str(); + break; + case OPT_OTHERPASS: + opt_otherpass = opt_str(); + break; +#ifndef OPENSSL_NO_ENGINE + case OPT_ENGINE: + opt_engine = opt_str(); + break; +#endif + case OPT_PROV_CASES: + if (!opt_provider(o)) + goto opthelp; + break; + case OPT_R_CASES: + if (!opt_rand(o)) + goto opthelp; + break; + + case OPT_BATCH: + opt_batch = 1; + break; + case OPT_REPEAT: + opt_repeat = opt_int_arg(); + break; + case OPT_REQIN: + opt_reqin = opt_str(); + break; + case OPT_REQIN_NEW_TID: + opt_reqin_new_tid = 1; + break; + case OPT_REQOUT: + opt_reqout = opt_str(); + break; + case OPT_RSPIN: + opt_rspin = opt_str(); + break; + case OPT_RSPOUT: + opt_rspout = opt_str(); + break; + case OPT_USE_MOCK_SRV: + opt_use_mock_srv = 1; + break; + +#ifndef OPENSSL_NO_SOCK + case OPT_PORT: + opt_port = opt_str(); + break; + case OPT_MAX_MSGS: + opt_max_msgs = opt_int_arg(); + break; +#endif + case OPT_SRV_REF: + opt_srv_ref = opt_str(); + break; + case OPT_SRV_SECRET: + opt_srv_secret = opt_str(); + break; + case OPT_SRV_CERT: + opt_srv_cert = opt_str(); + break; + case OPT_SRV_KEY: + opt_srv_key = opt_str(); + break; + case OPT_SRV_KEYPASS: + opt_srv_keypass = opt_str(); + break; + case OPT_SRV_TRUSTED: + opt_srv_trusted = opt_str(); + break; + case OPT_SRV_UNTRUSTED: + opt_srv_untrusted = opt_str(); + break; + case OPT_RSP_CERT: + opt_rsp_cert = opt_str(); + break; + case OPT_RSP_EXTRACERTS: + opt_rsp_extracerts = opt_str(); + break; + case OPT_RSP_CAPUBS: + opt_rsp_capubs = opt_str(); + break; + case OPT_POLL_COUNT: + opt_poll_count = opt_int_arg(); + break; + case OPT_CHECK_AFTER: + opt_check_after = opt_int_arg(); + break; + case OPT_GRANT_IMPLICITCONF: + opt_grant_implicitconf = 1; + break; + case OPT_PKISTATUS: + opt_pkistatus = opt_int_arg(); + break; + case OPT_FAILURE: + opt_failure = opt_int_arg(); + break; + case OPT_FAILUREBITS: + opt_failurebits = opt_int_arg(); + break; + case OPT_STATUSSTRING: + opt_statusstring = opt_str(); + 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; + } + } + + /* No extra args. */ + argc = opt_num_rest(); + argv = opt_rest(); + if (argc != 0) + goto opthelp; + return 1; +} + +#ifndef OPENSSL_NO_SOCK +static int cmp_server(OSSL_CMP_CTX *srv_cmp_ctx) { + BIO *acbio; + BIO *cbio = NULL; + int keep_alive = 0; + int msgs = 0; + int retry = 1; + int ret = 1; + + if ((acbio = http_server_init_bio(prog, opt_port)) == NULL) + return 0; + 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, &keep_alive, + prog, opt_port, 0, 0); + if (ret == 0) { /* no request yet */ + if (retry) { + ossl_sleep(1000); + retry = 0; + continue; + } + ret = 0; + goto next; + } + if (ret++ == -1) /* fatal error */ + break; + + 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 next; + } + 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, keep_alive, + "application/pkixcmp", + ASN1_ITEM_rptr(OSSL_CMP_MSG), + (const ASN1_VALUE *)resp); + OSSL_CMP_MSG_free(resp); + if (!ret) + break; /* treated as fatal error */ + } + next: + if (!ret) { /* on transmission error, cancel CMP transaction */ + (void)OSSL_CMP_CTX_set1_transactionID(srv_cmp_ctx, NULL); + (void)OSSL_CMP_CTX_set1_senderNonce(srv_cmp_ctx, NULL); + } + if (!ret || !keep_alive + || OSSL_CMP_CTX_get_status(srv_cmp_ctx) != OSSL_CMP_PKISTATUS_trans + /* transaction closed by OSSL_CMP_CTX_server_perform() */) { + BIO_free_all(cbio); + cbio = NULL; + } + } + + BIO_free_all(cbio); + BIO_free_all(acbio); + return ret; +} +#endif + +static void print_status(void) +{ + /* print PKIStatusInfo */ + 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); + const char *from = "", *server = ""; + +#ifndef OPENSSL_NO_SOCK + if (opt_server != NULL) { + from = " from "; + server = opt_server; + } +#endif + CMP_print(bio_err, + status == OSSL_CMP_PKISTATUS_accepted + ? OSSL_CMP_LOG_INFO : + status == OSSL_CMP_PKISTATUS_rejection + || status == OSSL_CMP_PKISTATUS_waiting + ? OSSL_CMP_LOG_ERR : OSSL_CMP_LOG_WARNING, + status == OSSL_CMP_PKISTATUS_accepted ? "info" : + status == OSSL_CMP_PKISTATUS_rejection ? "server error" : + status == OSSL_CMP_PKISTATUS_waiting ? "internal error" + : "warning", "received%s%s %s", from, server, + string != NULL ? string : "<unknown PKIStatus>"); + OPENSSL_free(buf); +} + +int cmp_main(int argc, char **argv) +{ + char *configfile = NULL; + int i; + X509 *newcert = NULL; + ENGINE *engine = NULL; + OSSL_CMP_CTX *srv_cmp_ctx = NULL; + int ret = 0; /* default: failure */ + + prog = opt_appname(argv[0]); + if (argc <= 1) { + opt_help(cmp_options); + goto err; + } + + /* + * handle options -config, -section, and -verbosity upfront + * to take effect for other options + */ + 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]; + else if (!strcmp(argv[i] + 1, + cmp_options[OPT_SECTION - OPT_HELP].name)) + opt_section = argv[++i]; + else if (strcmp(argv[i] + 1, + cmp_options[OPT_VERBOSITY - OPT_HELP].name) == 0 + && !set_verbosity(atoi(argv[++i]))) + goto err; + } + } + 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 != NULL && configfile[0] != '\0' /* non-empty string */ + && (configfile != default_config_file || access(configfile, F_OK) != -1)) { + CMP_info2("using section(s) '%s' of OpenSSL configuration file '%s'", + opt_section, 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; + } + } + } + ret = read_config(); + if (!set_verbosity(opt_verbosity)) /* just for checking range */ + ret = -1; + if (ret <= 0) { + if (ret == -1) + BIO_printf(bio_err, "Use -help for summary.\n"); + 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 (!app_RAND_load()) + goto err; + + if (opt_batch) + set_base_ui_method(UI_null()); + + if (opt_engine != NULL) { + engine = setup_engine_methods(opt_engine, 0 /* not: ENGINE_METHOD_ALL */, 0); + if (engine == NULL) { + CMP_err1("cannot load engine %s", opt_engine); + goto err; + } + } + + cmp_ctx = OSSL_CMP_CTX_new(app_get0_libctx(), app_get0_propq()); + if (cmp_ctx == NULL) + goto err; + OSSL_CMP_CTX_set_log_verbosity(cmp_ctx, opt_verbosity); + 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; + } + +#ifndef OPENSSL_NO_SOCK + 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("Ingnoring TLS options(s) since -tls_used is not given"); + if (opt_port != NULL) { + if (opt_tls_used) { + CMP_err("-tls_used option not supported with -port option"); + goto err; + } + if (opt_use_mock_srv || opt_server != NULL || opt_rspin != NULL) { + CMP_err("cannot use -port with -use_mock_srv, -server, or -rspin options"); + goto err; + } + } + if (opt_server != NULL && opt_use_mock_srv) { + CMP_err("cannot use both -server and -use_mock_srv options"); + goto err; + } +#endif + if (opt_rspin != NULL && opt_use_mock_srv) { + CMP_err("cannot use both -rspin and -use_mock_srv options"); + goto err; + } + + if (opt_use_mock_srv +#ifndef OPENSSL_NO_SOCK + || opt_port != NULL +#endif + ) { + OSSL_CMP_SRV_CTX *srv_ctx; + + if ((srv_ctx = setup_srv_ctx(engine)) == NULL) + goto err; + srv_cmp_ctx = OSSL_CMP_SRV_CTX_get0_cmp_ctx(srv_ctx); + OSSL_CMP_CTX_set_transfer_cb_arg(cmp_ctx, srv_ctx); + if (!OSSL_CMP_CTX_set_log_cb(srv_cmp_ctx, print_to_bio_err)) { + CMP_err1("cannot set up error reporting and logging for %s", prog); + goto err; + } + OSSL_CMP_CTX_set_log_verbosity(srv_cmp_ctx, opt_verbosity); + } + +#ifndef OPENSSL_NO_SOCK + if (opt_tls_used && (opt_use_mock_srv || opt_rspin != NULL)) { + CMP_warn("ignoring -tls_used option since -use_mock_srv or -rspin is given"); + opt_tls_used = 0; + } + + if (opt_port != NULL) { /* act as very basic CMP HTTP server */ + ret = cmp_server(srv_cmp_ctx); + goto err; + } + + /* act as CMP client, possibly using internal mock server */ + + if (opt_server != NULL) { + if (opt_rspin != NULL) { + CMP_warn("ignoring -server option since -rspin is given"); + opt_server = NULL; + } + } +#endif + + 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) + ret = 1; + break; + case CMP_KUR: + newcert = OSSL_CMP_exec_KUR_ses(cmp_ctx); + if (newcert != NULL) + ret = 1; + break; + case CMP_CR: + newcert = OSSL_CMP_exec_CR_ses(cmp_ctx); + if (newcert != NULL) + ret = 1; + break; + case CMP_P10CR: + newcert = OSSL_CMP_exec_P10CR_ses(cmp_ctx); + if (newcert != NULL) + ret = 1; + break; + case CMP_RR: + ret = OSSL_CMP_exec_RR_ses(cmp_ctx); + 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) { + print_itavs(itavs); + sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free); + ret = 1; + } + break; + } + default: + break; + } + if (OSSL_CMP_CTX_get_status(cmp_ctx) < OSSL_CMP_PKISTATUS_accepted) + goto err; /* we got no response, maybe even did not send request */ + + print_status(); + if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_extraCertsIn(cmp_ctx), + opt_extracertsout, "extra") < 0) + ret = 0; + if (!ret) + goto err; + ret = 0; + if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_caPubs(cmp_ctx), + opt_cacertsout, "CA") < 0) + goto err; + if (newcert != NULL) { + STACK_OF(X509) *certs = sk_X509_new_null(); + + if (!X509_add_cert(certs, newcert, X509_ADD_FLAG_UP_REF)) { + sk_X509_free(certs); + goto err; + } + if (save_free_certs(cmp_ctx, certs, opt_certout, "enrolled") < 0) + goto err; + } + if (save_free_certs(cmp_ctx, OSSL_CMP_CTX_get1_newChain(cmp_ctx), + opt_chainout, "chain") < 0) + goto err; + + 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); +#ifndef OPENSSL_NO_SOCK + cleanse(opt_tls_keypass); +#endif + cleanse(opt_secret); + cleanse(opt_srv_keypass); + cleanse(opt_srv_secret); + + if (ret != 1) + OSSL_CMP_CTX_print_errors(cmp_ctx); + + if (cmp_ctx != NULL) { +#ifndef OPENSSL_NO_SOCK + APP_HTTP_TLS_INFO *info = OSSL_CMP_CTX_get_http_cb_arg(cmp_ctx); + +#endif + ossl_cmp_mock_srv_free(OSSL_CMP_CTX_get_transfer_cb_arg(cmp_ctx)); + X509_STORE_free(OSSL_CMP_CTX_get_certConf_cb_arg(cmp_ctx)); + /* cannot free info already here, as it may be used indirectly by: */ + OSSL_CMP_CTX_free(cmp_ctx); +#ifndef OPENSSL_NO_SOCK + APP_HTTP_TLS_INFO_free(info); +#endif + } + 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; /* ret == -1 for -help */ +} |