/* * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. * * 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 #include #include #include "apps.h" #include "progs.h" #include #include #include #include #include #include #include #include #include #include #ifndef OPENSSL_NO_DSA # include #endif #undef POSTFIX #define POSTFIX ".srl" #define DEFAULT_DAYS 30 /* default cert validity period in days */ #define UNSET_DAYS -2 /* -1 is used for testing expiration checks */ #define EXT_COPY_UNSET -1 static int callb(int ok, X509_STORE_CTX *ctx); static ASN1_INTEGER *x509_load_serial(const char *CAfile, const char *serialfile, int create); static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt); static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names); typedef enum OPTION_choice { OPT_COMMON, OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM, OPT_CAKEYFORM, OPT_VFYOPT, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE, OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_KEY, OPT_SIGNKEY, OPT_CA, OPT_CAKEY, OPT_CASERIAL, OPT_SET_SERIAL, OPT_NEW, OPT_FORCE_PUBKEY, OPT_SUBJ, OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_DATEOPT, OPT_NAMEOPT, OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL, OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH, OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES, OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST, OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST, OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID, OPT_SUBJECT_HASH_OLD, OPT_ISSUER_HASH_OLD, OPT_COPY_EXTENSIONS, OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT, OPT_PRESERVE_DATES, OPT_R_ENUM, OPT_PROV_ENUM, OPT_EXT } OPTION_CHOICE; const OPTIONS x509_options[] = { OPT_SECTION("General"), {"help", OPT_HELP, '-', "Display this summary"}, {"in", OPT_IN, '<', "Certificate input, or CSR input file with -req (default stdin)"}, {"passin", OPT_PASSIN, 's', "Private key and cert file pass-phrase source"}, {"new", OPT_NEW, '-', "Generate a certificate from scratch"}, {"x509toreq", OPT_X509TOREQ, '-', "Output a certification request (rather than a certificate)"}, {"req", OPT_REQ, '-', "Input is a CSR file (rather than a certificate)"}, {"copy_extensions", OPT_COPY_EXTENSIONS, 's', "copy extensions when converting from CSR to x509 or vice versa"}, {"inform", OPT_INFORM, 'f', "CSR input format to use (PEM or DER; by default try PEM first)"}, {"vfyopt", OPT_VFYOPT, 's', "CSR verification parameter in n:v form"}, {"key", OPT_KEY, 's', "Key for signing, and to include unless using -force_pubkey"}, {"signkey", OPT_SIGNKEY, 's', "Same as -key"}, {"keyform", OPT_KEYFORM, 'E', "Key input format (ENGINE, other values ignored)"}, {"out", OPT_OUT, '>', "Output file - default stdout"}, {"outform", OPT_OUTFORM, 'f', "Output format (DER or PEM) - default PEM"}, {"nocert", OPT_NOCERT, '-', "No cert output (except for requested printing)"}, {"noout", OPT_NOOUT, '-', "No output (except for requested printing)"}, OPT_SECTION("Certificate printing"), {"text", OPT_TEXT, '-', "Print the certificate in text form"}, {"dateopt", OPT_DATEOPT, 's', "Datetime format used for printing. (rfc_822/iso_8601). Default is rfc_822."}, {"certopt", OPT_CERTOPT, 's', "Various certificate text printing options"}, {"fingerprint", OPT_FINGERPRINT, '-', "Print the certificate fingerprint"}, {"alias", OPT_ALIAS, '-', "Print certificate alias"}, {"serial", OPT_SERIAL, '-', "Print serial number value"}, {"startdate", OPT_STARTDATE, '-', "Print the notBefore field"}, {"enddate", OPT_ENDDATE, '-', "Print the notAfter field"}, {"dates", OPT_DATES, '-', "Print both notBefore and notAfter fields"}, {"subject", OPT_SUBJECT, '-', "Print subject DN"}, {"issuer", OPT_ISSUER, '-', "Print issuer DN"}, {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"}, {"email", OPT_EMAIL, '-', "Print email address(es)"}, {"hash", OPT_HASH, '-', "Synonym for -subject_hash (for backward compat)"}, {"subject_hash", OPT_HASH, '-', "Print subject hash value"}, #ifndef OPENSSL_NO_MD5 {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-', "Print old-style (MD5) subject hash value"}, #endif {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"}, #ifndef OPENSSL_NO_MD5 {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-', "Print old-style (MD5) issuer hash value"}, #endif {"ext", OPT_EXT, 's', "Restrict which X.509 extensions to print and/or copy"}, {"ocspid", OPT_OCSPID, '-', "Print OCSP hash values for the subject name and public key"}, {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"}, {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"}, {"pubkey", OPT_PUBKEY, '-', "Print the public key in PEM format"}, {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, OPT_SECTION("Certificate checking"), {"checkend", OPT_CHECKEND, 'M', "Check whether cert expires in the next arg seconds"}, {OPT_MORE_STR, 1, 1, "Exit 1 (failure) if so, 0 if not"}, {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"}, {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"}, {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"}, OPT_SECTION("Certificate output"), {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use, overrides -CAserial"}, {"next_serial", OPT_NEXT_SERIAL, '-', "Increment current certificate serial number"}, {"days", OPT_DAYS, 'n', "Number of days until newly generated certificate expires - default 30"}, {"preserve_dates", OPT_PRESERVE_DATES, '-', "Preserve existing validity dates"}, {"subj", OPT_SUBJ, 's', "Set or override certificate subject (and issuer)"}, {"force_pubkey", OPT_FORCE_PUBKEY, '<', "Key to be placed in new certificate or certificate request"}, {"clrext", OPT_CLREXT, '-', "Do not take over any extensions from the source certificate or request"}, {"extfile", OPT_EXTFILE, '<', "Config file with X509V3 extensions to add"}, {"extensions", OPT_EXTENSIONS, 's', "Section of extfile to use - default: unnamed section"}, {"sigopt", OPT_SIGOPT, 's', "Signature parameter, in n:v form"}, {"badsig", OPT_BADSIG, '-', "Corrupt last byte of certificate signature (for test)"}, {"", OPT_MD, '-', "Any supported digest, used for signing and printing"}, OPT_SECTION("Micro-CA"), {"CA", OPT_CA, '<', "Use the given CA certificate, conflicts with -key"}, {"CAform", OPT_CAFORM, 'F', "CA cert format (PEM/DER/P12); has no effect"}, {"CAkey", OPT_CAKEY, 's', "The corresponding CA key; default is -CA arg"}, {"CAkeyform", OPT_CAKEYFORM, 'E', "CA key format (ENGINE, other values ignored)"}, {"CAserial", OPT_CASERIAL, 's', "File that keeps track of CA-generated serial number"}, {"CAcreateserial", OPT_CACREATESERIAL, '-', "Create CA serial number file if it does not exist"}, OPT_SECTION("Certificate trust output"), {"trustout", OPT_TRUSTOUT, '-', "Mark certificate PEM output as trusted"}, {"setalias", OPT_SETALIAS, 's', "Set certificate alias (nickname)"}, {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"}, {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"}, {"clrreject", OPT_CLRREJECT, '-', "Clears all the prohibited or rejected uses of the certificate"}, {"addreject", OPT_ADDREJECT, 's', "Reject certificate for a given purpose"}, OPT_R_OPTIONS, #ifndef OPENSSL_NO_ENGINE {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, #endif OPT_PROV_OPTIONS, {NULL} }; static void warn_copying(ASN1_OBJECT *excluded, const char *names) { const char *sn = OBJ_nid2sn(OBJ_obj2nid(excluded)); if (names != NULL && strstr(names, sn) != NULL) BIO_printf(bio_err, "Warning: -ext should not specify copying %s extension to CSR; ignoring this\n", sn); } static X509_REQ *x509_to_req(X509 *cert, int ext_copy, const char *names) { const STACK_OF(X509_EXTENSION) *cert_exts = X509_get0_extensions(cert); int i, n = sk_X509_EXTENSION_num(cert_exts /* may be NULL */); ASN1_OBJECT *skid = OBJ_nid2obj(NID_subject_key_identifier); ASN1_OBJECT *akid = OBJ_nid2obj(NID_authority_key_identifier); STACK_OF(X509_EXTENSION) *exts; X509_REQ *req = X509_to_X509_REQ(cert, NULL, NULL); if (req == NULL) return NULL; /* * Filter out SKID and AKID extensions, which make no sense in a CSR. * If names is not NULL, copy only those extensions listed there. */ warn_copying(skid, names); warn_copying(akid, names); if ((exts = sk_X509_EXTENSION_new_reserve(NULL, n)) == NULL) goto err; for (i = 0; i < n; i++) { X509_EXTENSION *ex = sk_X509_EXTENSION_value(cert_exts, i); ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex); if (OBJ_cmp(obj, skid) != 0 && OBJ_cmp(obj, akid) != 0 && !sk_X509_EXTENSION_push(exts, ex)) goto err; } if (sk_X509_EXTENSION_num(exts) > 0) { if (ext_copy != EXT_COPY_UNSET && ext_copy != EXT_COPY_NONE && !X509_REQ_add_extensions(req, exts)) { BIO_printf(bio_err, "Error copying extensions from certificate\n"); goto err; } } sk_X509_EXTENSION_free(exts); return req; err: sk_X509_EXTENSION_free(exts); X509_REQ_free(req); return NULL; } static int self_signed(X509_STORE *ctx, X509 *cert) { X509_STORE_CTX *xsc = X509_STORE_CTX_new(); int ret = 0; if (xsc == NULL || !X509_STORE_CTX_init(xsc, ctx, cert, NULL)) { BIO_printf(bio_err, "Error initialising X509 store\n"); } else { X509_STORE_CTX_set_flags(xsc, X509_V_FLAG_CHECK_SS_SIGNATURE); ret = X509_verify_cert(xsc) > 0; } X509_STORE_CTX_free(xsc); return ret; } int x509_main(int argc, char **argv) { ASN1_INTEGER *sno = NULL; ASN1_OBJECT *objtmp = NULL; BIO *out = NULL; CONF *extconf = NULL; int ext_copy = EXT_COPY_UNSET; X509V3_CTX ext_ctx; EVP_PKEY *privkey = NULL, *CAkey = NULL, *pubkey = NULL; EVP_PKEY *pkey; int newcert = 0; char *subj = NULL, *digest = NULL; X509_NAME *fsubj = NULL; const unsigned long chtype = MBSTRING_ASC; const int multirdn = 1; STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL; STACK_OF(OPENSSL_STRING) *sigopts = NULL, *vfyopts = NULL; X509 *x = NULL, *xca = NULL, *issuer_cert; X509_REQ *req = NULL, *rq = NULL; X509_STORE *ctx = NULL; char *CAkeyfile = NULL, *CAserial = NULL, *pubkeyfile = NULL, *alias = NULL; char *checkhost = NULL, *checkemail = NULL, *checkip = NULL; char *ext_names = NULL; char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL; char *infile = NULL, *outfile = NULL, *privkeyfile = NULL, *CAfile = NULL; char *prog; int days = UNSET_DAYS; /* not explicitly set */ int x509toreq = 0, modulus = 0, print_pubkey = 0, pprint = 0; int CAformat = FORMAT_UNDEF, CAkeyformat = FORMAT_UNDEF; unsigned long dateopt = ASN1_DTFLGS_RFC822; int fingerprint = 0, reqfile = 0, checkend = 0; int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyformat = FORMAT_UNDEF; int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0; int noout = 0, CA_createserial = 0, email = 0; int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0; int ret = 1, i, j, num = 0, badsig = 0, clrext = 0, nocert = 0; int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, ext = 0; int enddate = 0; time_t checkoffset = 0; unsigned long certflag = 0; int preserve_dates = 0; OPTION_CHOICE o; ENGINE *e = NULL; #ifndef OPENSSL_NO_MD5 int subject_hash_old = 0, issuer_hash_old = 0; #endif ctx = X509_STORE_new(); if (ctx == NULL) goto err; X509_STORE_set_verify_cb(ctx, callb); opt_set_unknown_name("digest"); prog = opt_init(argc, argv, x509_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); goto err; case OPT_HELP: opt_help(x509_options); ret = 0; goto end; case OPT_INFORM: if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) goto opthelp; break; case OPT_IN: infile = opt_arg(); break; case OPT_OUTFORM: if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) goto opthelp; break; case OPT_KEYFORM: if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyformat)) goto opthelp; break; case OPT_CAFORM: if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAformat)) goto opthelp; break; case OPT_CAKEYFORM: if (!opt_format(opt_arg(), OPT_FMT_ANY, &CAkeyformat)) goto opthelp; break; case OPT_OUT: outfile = opt_arg(); break; case OPT_REQ: reqfile = 1; break; case OPT_DATEOPT: if (!set_dateopt(&dateopt, opt_arg())) { BIO_printf(bio_err, "Invalid date format: %s\n", opt_arg()); goto err; } break; case OPT_COPY_EXTENSIONS: if (!set_ext_copy(&ext_copy, opt_arg())) { BIO_printf(bio_err, "Invalid extension copy option: %s\n", opt_arg()); goto err; } break; case OPT_SIGOPT: if (!sigopts) sigopts = sk_OPENSSL_STRING_new_null(); if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) goto opthelp; break; case OPT_VFYOPT: if (!vfyopts) vfyopts = sk_OPENSSL_STRING_new_null(); if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg())) goto opthelp; break; case OPT_DAYS: days = atoi(opt_arg()); if (days < -1) { BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n", prog); goto err; } break; case OPT_PASSIN: passinarg = opt_arg(); break; case OPT_EXTFILE: extfile = opt_arg(); break; case OPT_R_CASES: if (!opt_rand(o)) goto end; break; case OPT_PROV_CASES: if (!opt_provider(o)) goto end; break; case OPT_EXTENSIONS: extsect = opt_arg(); break; case OPT_KEY: case OPT_SIGNKEY: privkeyfile = opt_arg(); break; case OPT_CA: CAfile = opt_arg(); break; case OPT_CAKEY: CAkeyfile = opt_arg(); break; case OPT_CASERIAL: CAserial = opt_arg(); break; case OPT_SET_SERIAL: if (sno != NULL) { BIO_printf(bio_err, "Serial number supplied twice\n"); goto opthelp; } if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL) goto opthelp; break; case OPT_NEW: newcert = 1; break; case OPT_FORCE_PUBKEY: pubkeyfile = opt_arg(); break; case OPT_SUBJ: subj = opt_arg(); break; case OPT_ADDTRUST: if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL) goto end; if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) { BIO_printf(bio_err, "%s: Invalid trust object value %s\n", prog, opt_arg()); goto opthelp; } sk_ASN1_OBJECT_push(trust, objtmp); trustout = 1; break; case OPT_ADDREJECT: if (reject == NULL && (reject = sk_ASN1_OBJECT_new_null()) == NULL) goto end; if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) { BIO_printf(bio_err, "%s: Invalid reject object value %s\n", prog, opt_arg()); goto opthelp; } sk_ASN1_OBJECT_push(reject, objtmp); trustout = 1; break; case OPT_SETALIAS: alias = opt_arg(); trustout = 1; break; case OPT_CERTOPT: if (!set_cert_ex(&certflag, opt_arg())) goto opthelp; break; case OPT_NAMEOPT: if (!set_nameopt(opt_arg())) goto opthelp; break; case OPT_ENGINE: e = setup_engine(opt_arg(), 0); break; case OPT_EMAIL: email = ++num; break; case OPT_OCSP_URI: ocsp_uri = ++num; break; case OPT_SERIAL: serial = ++num; break; case OPT_NEXT_SERIAL: next_serial = ++num; break; case OPT_MODULUS: modulus = ++num; break; case OPT_PUBKEY: print_pubkey = ++num; break; case OPT_X509TOREQ: x509toreq = 1; break; case OPT_TEXT: text = ++num; break; case OPT_SUBJECT: subject = ++num; break; case OPT_ISSUER: issuer = ++num; break; case OPT_FINGERPRINT: fingerprint = ++num; break; case OPT_HASH: subject_hash = ++num; break; case OPT_ISSUER_HASH: issuer_hash = ++num; break; case OPT_PURPOSE: pprint = ++num; break; case OPT_STARTDATE: startdate = ++num; break; case OPT_ENDDATE: enddate = ++num; break; case OPT_NOOUT: noout = ++num; break; case OPT_EXT: ext = ++num; ext_names = opt_arg(); break; case OPT_NOCERT: nocert = 1; break; case OPT_TRUSTOUT: trustout = 1; break; case OPT_CLRTRUST: clrtrust = ++num; break; case OPT_CLRREJECT: clrreject = ++num; break; case OPT_ALIAS: aliasout = ++num; break; case OPT_CACREATESERIAL: CA_createserial = 1; break; case OPT_CLREXT: clrext = 1; break; case OPT_OCSPID: ocspid = ++num; break; case OPT_BADSIG: badsig = 1; break; #ifndef OPENSSL_NO_MD5 case OPT_SUBJECT_HASH_OLD: subject_hash_old = ++num; break; case OPT_ISSUER_HASH_OLD: issuer_hash_old = ++num; break; #else case OPT_SUBJECT_HASH_OLD: case OPT_ISSUER_HASH_OLD: break; #endif case OPT_DATES: startdate = ++num; enddate = ++num; break; case OPT_CHECKEND: checkend = 1; { ossl_intmax_t temp = 0; if (!opt_intmax(opt_arg(), &temp)) goto opthelp; checkoffset = (time_t)temp; if ((ossl_intmax_t)checkoffset != temp) { BIO_printf(bio_err, "%s: Checkend time out of range %s\n", prog, opt_arg()); goto opthelp; } } break; case OPT_CHECKHOST: checkhost = opt_arg(); break; case OPT_CHECKEMAIL: checkemail = opt_arg(); break; case OPT_CHECKIP: checkip = opt_arg(); break; case OPT_PRESERVE_DATES: preserve_dates = 1; break; case OPT_MD: digest = opt_unknown(); break; } } /* No extra arguments. */ if (!opt_check_rest_arg(NULL)) goto opthelp; if (!app_RAND_load()) goto end; if (!opt_check_md(digest)) goto opthelp; if (preserve_dates && days != UNSET_DAYS) { BIO_printf(bio_err, "Cannot use -preserve_dates with -days option\n"); goto err; } if (days == UNSET_DAYS) days = DEFAULT_DAYS; if (!app_passwd(passinarg, NULL, &passin, NULL)) { BIO_printf(bio_err, "Error getting password\n"); goto err; } if (!X509_STORE_set_default_paths_ex(ctx, app_get0_libctx(), app_get0_propq())) goto end; if (newcert && infile != NULL) { BIO_printf(bio_err, "The -in option cannot be used with -new\n"); goto err; } if (newcert && reqfile) { BIO_printf(bio_err, "The -req option cannot be used with -new\n"); goto err; } if (privkeyfile != NULL) { privkey = load_key(privkeyfile, keyformat, 0, passin, e, "private key"); if (privkey == NULL) goto end; } if (pubkeyfile != NULL) { if ((pubkey = load_pubkey(pubkeyfile, keyformat, 0, NULL, e, "explicitly set public key")) == NULL) goto end; } if (newcert) { if (subj == NULL) { BIO_printf(bio_err, "The -new option requires a subject to be set using -subj\n"); goto err; } if (privkeyfile == NULL && pubkeyfile == NULL) { BIO_printf(bio_err, "The -new option requires using the -key or -force_pubkey option\n"); goto err; } } if (subj != NULL && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL) goto end; if (CAkeyfile == NULL) CAkeyfile = CAfile; if (CAfile != NULL) { if (privkeyfile != NULL) { BIO_printf(bio_err, "Cannot use both -key/-signkey and -CA option\n"); goto err; } } else { #define WARN_NO_CA(opt) BIO_printf(bio_err, \ "Warning: ignoring " opt " option since -CA option is not given\n"); if (CAkeyfile != NULL) WARN_NO_CA("-CAkey"); if (CAkeyformat != FORMAT_UNDEF) WARN_NO_CA("-CAkeyform"); if (CAformat != FORMAT_UNDEF) WARN_NO_CA("-CAform"); if (CAserial != NULL) WARN_NO_CA("-CAserial"); if (CA_createserial) WARN_NO_CA("-CAcreateserial"); } if (extfile == NULL) { if (extsect != NULL) BIO_printf(bio_err, "Warning: ignoring -extensions option without -extfile\n"); } else { X509V3_CTX ctx2; if ((extconf = app_load_config(extfile)) == NULL) goto end; if (extsect == NULL) { extsect = NCONF_get_string(extconf, "default", "extensions"); if (extsect == NULL) { ERR_clear_error(); extsect = "default"; } } X509V3_set_ctx_test(&ctx2); X509V3_set_nconf(&ctx2, extconf); if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) { BIO_printf(bio_err, "Error checking extension section %s\n", extsect); goto err; } } if (reqfile) { if (infile == NULL) BIO_printf(bio_err, "Warning: Reading cert request from stdin since no -in option is given\n"); req = load_csr_autofmt(infile, informat, vfyopts, "certificate request input"); if (req == NULL) goto end; if ((pkey = X509_REQ_get0_pubkey(req)) == NULL) { BIO_printf(bio_err, "Error unpacking public key from CSR\n"); goto err; } i = do_X509_REQ_verify(req, pkey, vfyopts); if (i <= 0) { BIO_printf(bio_err, i < 0 ? "Error while verifying certificate request self-signature\n" : "Certificate request self-signature did not match the contents\n"); goto err; } BIO_printf(bio_err, "Certificate request self-signature ok\n"); print_name(bio_err, "subject=", X509_REQ_get_subject_name(req)); } else if (!x509toreq && ext_copy != EXT_COPY_UNSET) { BIO_printf(bio_err, "Warning: ignoring -copy_extensions since neither -x509toreq nor -req is given\n"); } if (reqfile || newcert) { if (preserve_dates) BIO_printf(bio_err, "Warning: ignoring -preserve_dates option with -req or -new\n"); preserve_dates = 0; if (privkeyfile == NULL && CAkeyfile == NULL) { BIO_printf(bio_err, "We need a private key to sign with, use -key or -CAkey or -CA with private key\n"); goto err; } if ((x = X509_new_ex(app_get0_libctx(), app_get0_propq())) == NULL) goto end; if (CAfile == NULL && sno == NULL) { sno = ASN1_INTEGER_new(); if (sno == NULL || !rand_serial(NULL, sno)) goto end; } if (req != NULL && ext_copy != EXT_COPY_UNSET) { if (clrext && ext_copy != EXT_COPY_NONE) { BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n"); goto err; } else if (!copy_extensions(x, req, ext_copy)) { BIO_printf(bio_err, "Error copying extensions from request\n"); goto err; } } } else { if (infile == NULL) BIO_printf(bio_err, "Warning: Reading certificate from stdin since no -in or -new option is given\n"); x = load_cert_pass(infile, informat, 1, passin, "certificate"); if (x == NULL) goto end; } if ((fsubj != NULL || req != NULL) && !X509_set_subject_name(x, fsubj != NULL ? fsubj : X509_REQ_get_subject_name(req))) goto end; if ((pubkey != NULL || privkey != NULL || req != NULL) && !X509_set_pubkey(x, pubkey != NULL ? pubkey : privkey != NULL ? privkey : X509_REQ_get0_pubkey(req))) goto end; if (CAfile != NULL) { xca = load_cert_pass(CAfile, CAformat, 1, passin, "CA certificate"); if (xca == NULL) goto end; } out = bio_open_default(outfile, 'w', outformat); if (out == NULL) goto end; if (alias) X509_alias_set1(x, (unsigned char *)alias, -1); if (clrtrust) X509_trust_clear(x); if (clrreject) X509_reject_clear(x); if (trust != NULL) { for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) X509_add1_trust_object(x, sk_ASN1_OBJECT_value(trust, i)); } if (reject != NULL) { for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) X509_add1_reject_object(x, sk_ASN1_OBJECT_value(reject, i)); } if (clrext && ext_names != NULL) BIO_printf(bio_err, "Warning: Ignoring -ext since -clrext is given\n"); for (i = X509_get_ext_count(x) - 1; i >= 0; i--) { X509_EXTENSION *ex = X509_get_ext(x, i); const char *sn = OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ex))); if (clrext || (ext_names != NULL && strstr(ext_names, sn) == NULL)) X509_EXTENSION_free(X509_delete_ext(x, i)); } issuer_cert = x; if (CAfile != NULL) { issuer_cert = xca; if (sno == NULL) sno = x509_load_serial(CAfile, CAserial, CA_createserial); if (sno == NULL) goto end; if (!x509toreq && !reqfile && !newcert && !self_signed(ctx, x)) goto end; } else { if (privkey != NULL && !cert_matches_key(x, privkey)) BIO_printf(bio_err, "Warning: Signature key and public key of cert do not match\n"); } if (sno != NULL && !X509_set_serialNumber(x, sno)) goto end; if (reqfile || newcert || privkey != NULL || CAfile != NULL) { if (!preserve_dates && !set_cert_times(x, NULL, NULL, days)) goto end; if (!X509_set_issuer_name(x, X509_get_subject_name(issuer_cert))) goto end; } X509V3_set_ctx(&ext_ctx, issuer_cert, x, NULL, NULL, X509V3_CTX_REPLACE); /* prepare fallback for AKID, but only if issuer cert equals subject cert */ if (CAfile == NULL) { if (!X509V3_set_issuer_pkey(&ext_ctx, privkey)) goto end; } if (extconf != NULL && !x509toreq) { X509V3_set_nconf(&ext_ctx, extconf); if (!X509V3_EXT_add_nconf(extconf, &ext_ctx, extsect, x)) { BIO_printf(bio_err, "Error adding extensions from section %s\n", extsect); goto err; } } /* At this point the contents of the certificate x have been finished. */ pkey = X509_get0_pubkey(x); if ((print_pubkey != 0 || modulus != 0) && pkey == NULL) { BIO_printf(bio_err, "Error getting public key\n"); goto err; } if (x509toreq) { /* also works in conjunction with -req */ if (privkey == NULL) { BIO_printf(bio_err, "Must specify request signing key using -key\n"); goto err; } if (clrext && ext_copy != EXT_COPY_NONE) { BIO_printf(bio_err, "Must not use -clrext together with -copy_extensions\n"); goto err; } if ((rq = x509_to_req(x, ext_copy, ext_names)) == NULL) goto end; if (extconf != NULL) { X509V3_set_nconf(&ext_ctx, extconf); if (!X509V3_EXT_REQ_add_nconf(extconf, &ext_ctx, extsect, rq)) { BIO_printf(bio_err, "Error adding request extensions from section %s\n", extsect); goto err; } } if (!do_X509_REQ_sign(rq, privkey, digest, sigopts)) goto end; if (!noout) { if (outformat == FORMAT_ASN1) { X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT); i = i2d_X509_bio(out, x); } else { i = PEM_write_bio_X509_REQ(out, rq); } if (!i) { BIO_printf(bio_err, "Unable to write certificate request\n"); goto err; } } noout = 1; } else if (CAfile != NULL) { if ((CAkey = load_key(CAkeyfile, CAkeyformat, 0, passin, e, "CA private key")) == NULL) goto end; if (!X509_check_private_key(xca, CAkey)) { BIO_printf(bio_err, "CA certificate and CA private key do not match\n"); goto err; } if (!do_X509_sign(x, 0, CAkey, digest, sigopts, &ext_ctx)) goto end; } else if (privkey != NULL) { if (!do_X509_sign(x, 0, privkey, digest, sigopts, &ext_ctx)) goto end; } if (badsig) { const ASN1_BIT_STRING *signature; X509_get0_signature(&signature, NULL, x); corrupt_signature(signature); } /* Process print options in the given order, as indicated by index i */ for (i = 1; i <= num; i++) { if (i == issuer) { print_name(out, "issuer=", X509_get_issuer_name(x)); } else if (i == subject) { print_name(out, "subject=", X509_get_subject_name(x)); } else if (i == serial) { BIO_printf(out, "serial="); i2a_ASN1_INTEGER(out, X509_get0_serialNumber(x)); BIO_printf(out, "\n"); } else if (i == next_serial) { ASN1_INTEGER *ser; BIGNUM *bnser = ASN1_INTEGER_to_BN(X509_get0_serialNumber(x), NULL); if (bnser == NULL) goto end; if (!BN_add_word(bnser, 1) || (ser = BN_to_ASN1_INTEGER(bnser, NULL)) == NULL) { BN_free(bnser); goto end; } BN_free(bnser); i2a_ASN1_INTEGER(out, ser); ASN1_INTEGER_free(ser); BIO_puts(out, "\n"); } else if (i == email || i == ocsp_uri) { STACK_OF(OPENSSL_STRING) *emlst = i == email ? X509_get1_email(x) : X509_get1_ocsp(x); for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++) BIO_printf(out, "%s\n", sk_OPENSSL_STRING_value(emlst, j)); X509_email_free(emlst); } else if (i == aliasout) { unsigned char *alstr = X509_alias_get0(x, NULL); if (alstr) BIO_printf(out, "%s\n", alstr); else BIO_puts(out, "\n"); } else if (i == subject_hash) { BIO_printf(out, "%08lx\n", X509_subject_name_hash(x)); #ifndef OPENSSL_NO_MD5 } else if (i == subject_hash_old) { BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x)); #endif } else if (i == issuer_hash) { BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x)); #ifndef OPENSSL_NO_MD5 } else if (i == issuer_hash_old) { BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x)); #endif } else if (i == pprint) { BIO_printf(out, "Certificate purposes:\n"); for (j = 0; j < X509_PURPOSE_get_count(); j++) purpose_print(out, x, X509_PURPOSE_get0(j)); } else if (i == modulus) { BIO_printf(out, "Modulus="); if (EVP_PKEY_is_a(pkey, "RSA") || EVP_PKEY_is_a(pkey, "RSA-PSS")) { BIGNUM *n = NULL; /* Every RSA key has an 'n' */ EVP_PKEY_get_bn_param(pkey, "n", &n); BN_print(out, n); BN_free(n); } else if (EVP_PKEY_is_a(pkey, "DSA")) { BIGNUM *dsapub = NULL; /* Every DSA key has a 'pub' */ EVP_PKEY_get_bn_param(pkey, "pub", &dsapub); BN_print(out, dsapub); BN_free(dsapub); } else { BIO_printf(out, "No modulus for this public key type"); } BIO_printf(out, "\n"); } else if (i == print_pubkey) { PEM_write_bio_PUBKEY(out, pkey); } else if (i == text) { X509_print_ex(out, x, get_nameopt(), certflag); } else if (i == startdate) { BIO_puts(out, "notBefore="); ASN1_TIME_print_ex(out, X509_get0_notBefore(x), dateopt); BIO_puts(out, "\n"); } else if (i == enddate) { BIO_puts(out, "notAfter="); ASN1_TIME_print_ex(out, X509_get0_notAfter(x), dateopt); BIO_puts(out, "\n"); } else if (i == fingerprint) { unsigned int n; unsigned char md[EVP_MAX_MD_SIZE]; const char *fdigname = digest; EVP_MD *fdig; int digres; if (fdigname == NULL) fdigname = "SHA1"; if ((fdig = EVP_MD_fetch(app_get0_libctx(), fdigname, app_get0_propq())) == NULL) { BIO_printf(bio_err, "Unknown digest\n"); goto err; } digres = X509_digest(x, fdig, md, &n); EVP_MD_free(fdig); if (!digres) { BIO_printf(bio_err, "Out of memory\n"); goto err; } BIO_printf(out, "%s Fingerprint=", fdigname); for (j = 0; j < (int)n; j++) BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n) ? '\n' : ':'); } else if (i == ocspid) { X509_ocspid_print(out, x); } else if (i == ext) { print_x509v3_exts(out, x, ext_names); } } if (checkend) { time_t tcheck = time(NULL) + checkoffset; ret = X509_cmp_time(X509_get0_notAfter(x), &tcheck) < 0; if (ret) BIO_printf(out, "Certificate will expire\n"); else BIO_printf(out, "Certificate will not expire\n"); goto end; } if (!check_cert_attributes(out, x, checkhost, checkemail, checkip, 1)) goto err; if (noout || nocert) { ret = 0; goto end; } if (outformat == FORMAT_ASN1) { i = i2d_X509_bio(out, x); } else if (outformat == FORMAT_PEM) { if (trustout) i = PEM_write_bio_X509_AUX(out, x); else i = PEM_write_bio_X509(out, x); } else { BIO_printf(bio_err, "Bad output format specified for outfile\n"); goto err; } if (!i) { BIO_printf(bio_err, "Unable to write certificate\n"); goto err; } ret = 0; goto end; err: ERR_print_errors(bio_err); end: NCONF_free(extconf); BIO_free_all(out); X509_STORE_free(ctx); X509_NAME_free(fsubj); X509_REQ_free(req); X509_free(x); X509_free(xca); EVP_PKEY_free(privkey); EVP_PKEY_free(CAkey); EVP_PKEY_free(pubkey); sk_OPENSSL_STRING_free(sigopts); sk_OPENSSL_STRING_free(vfyopts); X509_REQ_free(rq); ASN1_INTEGER_free(sno); sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free); sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free); release_engine(e); clear_free(passin); return ret; } static ASN1_INTEGER *x509_load_serial(const char *CAfile, const char *serialfile, int create) { char *buf = NULL; ASN1_INTEGER *bs = NULL; BIGNUM *serial = NULL; int defaultfile = 0, file_exists; if (serialfile == NULL) { const char *p = strrchr(CAfile, '.'); size_t len = p != NULL ? (size_t)(p - CAfile) : strlen(CAfile); buf = app_malloc(len + sizeof(POSTFIX), "serial# buffer"); memcpy(buf, CAfile, len); memcpy(buf + len, POSTFIX, sizeof(POSTFIX)); serialfile = buf; defaultfile = 1; } serial = load_serial(serialfile, &file_exists, create || defaultfile, NULL); if (serial == NULL) goto end; if (!BN_add_word(serial, 1)) { BIO_printf(bio_err, "Serial number increment failure\n"); goto end; } if (file_exists || create) save_serial(serialfile, NULL, serial, &bs); else bs = BN_to_ASN1_INTEGER(serial, NULL); end: OPENSSL_free(buf); BN_free(serial); return bs; } static int callb(int ok, X509_STORE_CTX *ctx) { int err; X509 *err_cert; /* * It is ok to use a self-signed certificate. This case will catch both * the initial ok == 0 and the final ok == 1 calls to this function. */ err = X509_STORE_CTX_get_error(ctx); if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) return 1; /* * BAD we should have gotten an error. Normally if everything worked * X509_STORE_CTX_get_error(ctx) will still be set to * DEPTH_ZERO_SELF_.... */ if (ok) { BIO_printf(bio_err, "Error with certificate to be certified - should be self-signed\n"); return 0; } else { err_cert = X509_STORE_CTX_get_current_cert(ctx); print_name(bio_err, "subject=", X509_get_subject_name(err_cert)); BIO_printf(bio_err, "Error with certificate - error %d at depth %d\n%s\n", err, X509_STORE_CTX_get_error_depth(ctx), X509_verify_cert_error_string(err)); return 1; } } static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt) { int id, i, idret; const char *pname; id = X509_PURPOSE_get_id(pt); pname = X509_PURPOSE_get0_name(pt); for (i = 0; i < 2; i++) { idret = X509_check_purpose(cert, id, i); BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); if (idret == 1) BIO_printf(bio, "Yes\n"); else if (idret == 0) BIO_printf(bio, "No\n"); else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret); } return 1; } static int parse_ext_names(char *names, const char **result) { char *p, *q; int cnt = 0, len = 0; p = q = names; len = strlen(names); while (q - names <= len) { if (*q != ',' && *q != '\0') { q++; continue; } if (p != q) { /* found */ if (result != NULL) { result[cnt] = p; *q = '\0'; } cnt++; } p = ++q; } return cnt; } static int print_x509v3_exts(BIO *bio, X509 *x, const char *ext_names) { const STACK_OF(X509_EXTENSION) *exts = NULL; STACK_OF(X509_EXTENSION) *exts2 = NULL; X509_EXTENSION *ext = NULL; ASN1_OBJECT *obj; int i, j, ret = 0, num, nn = 0; const char *sn, **names = NULL; char *tmp_ext_names = NULL; exts = X509_get0_extensions(x); if ((num = sk_X509_EXTENSION_num(exts)) <= 0) { BIO_printf(bio_err, "No extensions in certificate\n"); ret = 1; goto end; } /* parse comma separated ext name string */ if ((tmp_ext_names = OPENSSL_strdup(ext_names)) == NULL) goto end; if ((nn = parse_ext_names(tmp_ext_names, NULL)) == 0) { BIO_printf(bio, "Invalid extension names: %s\n", ext_names); goto end; } if ((names = OPENSSL_malloc(sizeof(char *) * nn)) == NULL) goto end; parse_ext_names(tmp_ext_names, names); for (i = 0; i < num; i++) { ext = sk_X509_EXTENSION_value(exts, i); /* check if this ext is what we want */ obj = X509_EXTENSION_get_object(ext); sn = OBJ_nid2sn(OBJ_obj2nid(obj)); if (sn == NULL || strcmp(sn, "UNDEF") == 0) continue; for (j = 0; j < nn; j++) { if (strcmp(sn, names[j]) == 0) { /* push the extension into a new stack */ if (exts2 == NULL && (exts2 = sk_X509_EXTENSION_new_null()) == NULL) goto end; if (!sk_X509_EXTENSION_push(exts2, ext)) goto end; } } } if (!sk_X509_EXTENSION_num(exts2)) { BIO_printf(bio, "No extensions matched with %s\n", ext_names); ret = 1; goto end; } ret = X509V3_extensions_print(bio, NULL, exts2, 0, 0); end: sk_X509_EXTENSION_free(exts2); OPENSSL_free(names); OPENSSL_free(tmp_ext_names); return ret; }