/* $OpenBSD: req.c,v 1.23 2022/02/03 17:44:04 tb Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* Until the key-gen callbacks are modified to use newer prototypes, we allow * deprecated functions for openssl-internal code */ #ifdef OPENSSL_NO_DEPRECATED #undef OPENSSL_NO_DEPRECATED #endif #include #include #include #include #include #include #include "apps.h" #include #include #include #include #include #include #include #include #include #include #include #include #define SECTION "req" #define BITS "default_bits" #define KEYFILE "default_keyfile" #define PROMPT "prompt" #define DISTINGUISHED_NAME "distinguished_name" #define ATTRIBUTES "attributes" #define V3_EXTENSIONS "x509_extensions" #define REQ_EXTENSIONS "req_extensions" #define STRING_MASK "string_mask" #define UTF8_IN "utf8" #define DEFAULT_KEY_LENGTH 2048 #define MIN_KEY_LENGTH 384 static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int multirdn, int attribs, unsigned long chtype); static int build_subject(X509_REQ * req, char *subj, unsigned long chtype, int multirdn); static int prompt_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect, STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs, unsigned long chtype); static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk, STACK_OF(CONF_VALUE) * attr, int attribs, unsigned long chtype); static int add_attribute_object(X509_REQ * req, char *text, const char *def, char *value, int nid, int n_min, int n_max, unsigned long chtype); static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value, int nid, int n_min, int n_max, unsigned long chtype, int mval); static int genpkey_cb(EVP_PKEY_CTX * ctx); static int req_check_len(int len, int n_min, int n_max); static int check_end(const char *str, const char *end); static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type, long *pkeylen, char **palgnam); static unsigned long ext_name_hash(const OPENSSL_STRING *a); static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b); static void exts_cleanup(OPENSSL_STRING *x); static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv); static CONF *req_conf = NULL; static CONF *addext_conf = NULL; struct { LHASH_OF(OPENSSL_STRING) *addexts; BIO *addext_bio; int batch; unsigned long chtype; int days; const EVP_MD *digest; char *extensions; char *infile; int informat; char *keyalg; char *keyfile; int keyform; char *keyout; int modulus; int multirdn; int newhdr; long newkey; int newreq; unsigned long nmflag; int nodes; int noout; char *outfile; int outformat; char *passargin; char *passargout; STACK_OF(OPENSSL_STRING) *pkeyopts; int pubkey; char *req_exts; unsigned long reqflag; ASN1_INTEGER *serial; STACK_OF(OPENSSL_STRING) *sigopts; char *subj; int subject; char *template; int text; int verbose; int verify; int x509; } req_config; static int req_opt_addext(char *arg) { int i; if (req_config.addexts == NULL) { req_config.addexts = (LHASH_OF(OPENSSL_STRING) *)lh_new( (LHASH_HASH_FN_TYPE)ext_name_hash, (LHASH_COMP_FN_TYPE)ext_name_cmp); req_config.addext_bio = BIO_new(BIO_s_mem()); if (req_config.addexts == NULL || req_config.addext_bio == NULL) return (1); } i = duplicated(req_config.addexts, arg); if (i == 1) return (1); if (i < 0 || BIO_printf(req_config.addext_bio, "%s\n", arg) < 0) return (1); return (0); } static int req_opt_days(char *arg) { const char *errstr; req_config.days = strtonum(arg, 1, INT_MAX, &errstr); if (errstr != NULL) { BIO_printf(bio_err, "bad -days %s, using 0: %s\n", arg, errstr); req_config.days = 30; } return (0); } static int req_opt_digest(int argc, char **argv, int *argsused) { char *name = argv[0]; if (*name++ != '-') return (1); if ((req_config.digest = EVP_get_digestbyname(name)) == NULL) return (1); *argsused = 1; return (0); } static int req_opt_newkey(char *arg) { req_config.keyalg = arg; req_config.newreq = 1; return (0); } static int req_opt_nameopt(char *arg) { if (!set_name_ex(&req_config.nmflag, arg)) return (1); return (0); } static int req_opt_pkeyopt(char *arg) { if (req_config.pkeyopts == NULL) req_config.pkeyopts = sk_OPENSSL_STRING_new_null(); if (req_config.pkeyopts == NULL) return (1); if (!sk_OPENSSL_STRING_push(req_config.pkeyopts, arg)) return (1); return (0); } static int req_opt_reqopt(char *arg) { if (!set_cert_ex(&req_config.reqflag, arg)) return (1); return (0); } static int req_opt_set_serial(char *arg) { req_config.serial = s2i_ASN1_INTEGER(NULL, arg); if (req_config.serial == NULL) return (1); return (0); } static int req_opt_sigopt(char *arg) { if (req_config.sigopts == NULL) req_config.sigopts = sk_OPENSSL_STRING_new_null(); if (req_config.sigopts == NULL) return (1); if (!sk_OPENSSL_STRING_push(req_config.sigopts, arg)) return (1); return (0); } static int req_opt_utf8(void) { req_config.chtype = MBSTRING_UTF8; return (0); } static const struct option req_options[] = { { .name = "addext", .argname = "key=value", .desc = "Additional certificate extension (may be repeated)", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_addext, }, { .name = "batch", .desc = "Operate in batch mode", .type = OPTION_FLAG, .opt.flag = &req_config.batch, }, { .name = "config", .argname = "file", .desc = "Configuration file to use as request template", .type = OPTION_ARG, .opt.arg = &req_config.template, }, { .name = "days", .argname = "number", .desc = "Number of days generated certificate is valid for", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_days, }, { .name = "extensions", .argname = "section", .desc = "Config section to use for certificate extensions", .type = OPTION_ARG, .opt.arg = &req_config.extensions, }, { .name = "in", .argname = "file", .desc = "Input file (default stdin)", .type = OPTION_ARG, .opt.arg = &req_config.infile, }, { .name = "inform", .argname = "format", .desc = "Input format (DER or PEM (default))", .type = OPTION_ARG_FORMAT, .opt.value = &req_config.informat, }, { .name = "key", .argname = "file", .desc = "Private key file", .type = OPTION_ARG, .opt.arg = &req_config.keyfile, }, { .name = "keyform", .argname = "format", .desc = "Private key format (DER or PEM (default))", .type = OPTION_ARG_FORMAT, .opt.value = &req_config.keyform, }, { .name = "keyout", .argname = "file", .desc = "Private key output file", .type = OPTION_ARG, .opt.arg = &req_config.keyout, }, { .name = "modulus", .desc = "Print RSA modulus", .type = OPTION_FLAG, .opt.flag = &req_config.modulus, }, { .name = "multivalue-rdn", .desc = "Enable support for multivalued RDNs", .type = OPTION_FLAG, .opt.flag = &req_config.multirdn, }, { .name = "nameopt", .argname = "arg", .desc = "Certificate name options", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_nameopt, }, { .name = "new", .desc = "New request", .type = OPTION_FLAG, .opt.flag = &req_config.newreq, }, { .name = "newhdr", .desc = "Include 'NEW' in header lines", .type = OPTION_FLAG, .opt.flag = &req_config.newhdr, }, { .name = "newkey", .argname = "param", .desc = "Generate a new key using given parameters", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_newkey, }, { .name = "nodes", .desc = "Do not encrypt output private key", .type = OPTION_FLAG, .opt.flag = &req_config.nodes, }, { .name = "noout", .desc = "Do not output request", .type = OPTION_FLAG, .opt.flag = &req_config.noout, }, { .name = "out", .argname = "file", .desc = "Output file (default stdout)", .type = OPTION_ARG, .opt.arg = &req_config.outfile, }, { .name = "outform", .argname = "format", .desc = "Output format (DER or PEM (default))", .type = OPTION_ARG_FORMAT, .opt.value = &req_config.outformat, }, { .name = "passin", .argname = "source", .desc = "Private key input password source", .type = OPTION_ARG, .opt.arg = &req_config.passargin, }, { .name = "passout", .argname = "source", .desc = "Private key output password source", .type = OPTION_ARG, .opt.arg = &req_config.passargout, }, { .name = "pkeyopt", .argname = "opt:val", .desc = "Set the public key algorithm option opt to val", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_pkeyopt, }, { .name = "pubkey", .desc = "Output the public key", .type = OPTION_FLAG, .opt.flag = &req_config.pubkey, }, { .name = "reqexts", .argname = "section", .desc = "Config section to use for request extensions", .type = OPTION_ARG, .opt.arg = &req_config.req_exts, }, { .name = "reqopt", .argname = "option", .desc = "Request text options", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_reqopt, }, { .name = "set_serial", .argname = "serial", .desc = "Serial number to use for generated certificate", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_set_serial, }, { .name = "sigopt", .argname = "name:val", .desc = "Signature options", .type = OPTION_ARG_FUNC, .opt.argfunc = req_opt_sigopt, }, { .name = "subj", .argname = "name", .desc = "Set or modify the request subject", .type = OPTION_ARG, .opt.arg = &req_config.subj, }, { .name = "subject", .desc = "Output the subject of the request", .type = OPTION_FLAG, .opt.flag = &req_config.subject, }, { .name = "text", .desc = "Print request in text form", .type = OPTION_FLAG, .opt.flag = &req_config.text, }, { .name = "utf8", .desc = "Input characters are in UTF-8 (default ASCII)", .type = OPTION_FUNC, .opt.func = req_opt_utf8, }, { .name = "verbose", .desc = "Verbose", .type = OPTION_FLAG, .opt.flag = &req_config.verbose, }, { .name = "verify", .desc = "Verify signature on request", .type = OPTION_FLAG, .opt.flag = &req_config.verify, }, { .name = "x509", .desc = "Output an X.509 structure instead of a certificate request", .type = OPTION_FLAG, .opt.flag = &req_config.x509, }, { .name = NULL, .desc = "", .type = OPTION_ARGV_FUNC, .opt.argvfunc = req_opt_digest, }, { NULL }, }; static void req_usage(void) { fprintf(stderr, "usage: req [-addext ext] [-batch] [-config file]\n" " [-days n] [-extensions section] [-in file]\n" " [-inform der | pem] [-key keyfile] [-keyform der | pem]\n" " [-keyout file] [-md4 | -md5 | -sha1] [-modulus]\n" " [-multivalue-rdn] [-nameopt option] [-new] [-newhdr]\n" " [-newkey arg] [-nodes] [-noout]\n" " [-out file] [-outform der | pem] [-passin arg]\n" " [-passout arg] [-pkeyopt opt:value] [-pubkey]\n" " [-reqexts section] [-reqopt option] [-set_serial n]\n" " [-sigopt nm:v] [-subj arg] [-subject] [-text] [-utf8]\n" " [-verbose] [-verify] [-x509]\n\n"); options_usage(req_options); fprintf(stderr, "\n"); } int req_main(int argc, char **argv) { int ex = 1; X509 *x509ss = NULL; X509_REQ *req = NULL; EVP_PKEY_CTX *genctx = NULL; char *keyalgstr = NULL; const EVP_CIPHER *cipher = NULL; EVP_PKEY *pkey = NULL; int i = 0, pkey_type = -1; BIO *in = NULL, *out = NULL; char *passin = NULL, *passout = NULL; const EVP_MD *md_alg = NULL; char *p; if (single_execution) { if (pledge("stdio cpath wpath rpath tty", NULL) == -1) { perror("pledge"); exit(1); } } memset(&req_config, 0, sizeof(req_config)); req_config.chtype = MBSTRING_ASC; req_config.days = 30; req_config.digest = EVP_sha256(); req_config.newkey = -1; req_config.informat = FORMAT_PEM; req_config.keyform = FORMAT_PEM; req_config.outformat = FORMAT_PEM; if (options_parse(argc, argv, req_options, NULL, NULL) != 0) { req_usage(); return (1); } req_conf = NULL; cipher = EVP_aes_256_cbc(); if (!app_passwd(bio_err, req_config.passargin, req_config.passargout, &passin, &passout)) { BIO_printf(bio_err, "Error getting passwords\n"); goto end; } if (req_config.template != NULL) { long errline = -1; if (req_config.verbose) BIO_printf(bio_err, "Using configuration from %s\n", req_config.template); if ((req_conf = NCONF_new(NULL)) == NULL) goto end; if(!NCONF_load(req_conf, req_config.template, &errline)) { BIO_printf(bio_err, "error on line %ld of %s\n", errline, req_config.template); goto end; } } else { req_conf = config; if (req_conf == NULL) { BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file); if (req_config.newreq) goto end; } else if (req_config.verbose) BIO_printf(bio_err, "Using configuration from %s\n", default_config_file); } if (req_config.addext_bio != NULL) { long errline = -1; if (req_config.verbose) BIO_printf(bio_err, "Using additional configuration from command line\n"); if ((addext_conf = NCONF_new(NULL)) == NULL) goto end; if (!NCONF_load_bio(addext_conf, req_config.addext_bio, &errline)) { BIO_printf(bio_err, "req: Error on line %ld of config input\n", errline); goto end; } } if (req_conf != NULL) { if (!load_config(bio_err, req_conf)) goto end; p = NCONF_get_string(req_conf, NULL, "oid_file"); if (p == NULL) ERR_clear_error(); if (p != NULL) { BIO *oid_bio; oid_bio = BIO_new_file(p, "r"); if (oid_bio == NULL) { /* BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); ERR_print_errors(bio_err); */ } else { OBJ_create_objects(oid_bio); BIO_free(oid_bio); } } } if (!add_oid_section(bio_err, req_conf)) goto end; if (md_alg == NULL) { p = NCONF_get_string(req_conf, SECTION, "default_md"); if (p == NULL) ERR_clear_error(); if (p != NULL) { if ((md_alg = EVP_get_digestbyname(p)) != NULL) req_config.digest = md_alg; } } if (!req_config.extensions) { req_config.extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); if (!req_config.extensions) ERR_clear_error(); } if (req_config.extensions) { /* Check syntax of file */ X509V3_CTX ctx; X509V3_set_ctx_test(&ctx); X509V3_set_nconf(&ctx, req_conf); if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_config.extensions, NULL)) { BIO_printf(bio_err, "Error Loading extension section %s\n", req_config.extensions); goto end; } } if (addext_conf != NULL) { /* Check syntax of command line extensions */ X509V3_CTX ctx; X509V3_set_ctx_test(&ctx); X509V3_set_nconf(&ctx, addext_conf); if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) { BIO_printf(bio_err, "Error Loading command line extensions\n"); goto end; } } if (!passin) { passin = NCONF_get_string(req_conf, SECTION, "input_password"); if (!passin) ERR_clear_error(); } if (!passout) { passout = NCONF_get_string(req_conf, SECTION, "output_password"); if (!passout) ERR_clear_error(); } p = NCONF_get_string(req_conf, SECTION, STRING_MASK); if (!p) ERR_clear_error(); if (p && !ASN1_STRING_set_default_mask_asc(p)) { BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); goto end; } if (req_config.chtype != MBSTRING_UTF8) { p = NCONF_get_string(req_conf, SECTION, UTF8_IN); if (!p) ERR_clear_error(); else if (!strcmp(p, "yes")) req_config.chtype = MBSTRING_UTF8; } if (!req_config.req_exts) { req_config.req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); if (!req_config.req_exts) ERR_clear_error(); } if (req_config.req_exts) { /* Check syntax of file */ X509V3_CTX ctx; X509V3_set_ctx_test(&ctx); X509V3_set_nconf(&ctx, req_conf); if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_config.req_exts, NULL)) { BIO_printf(bio_err, "Error Loading request extension section %s\n", req_config.req_exts); goto end; } } in = BIO_new(BIO_s_file()); out = BIO_new(BIO_s_file()); if ((in == NULL) || (out == NULL)) goto end; if (req_config.keyfile != NULL) { pkey = load_key(bio_err, req_config.keyfile, req_config.keyform, 0, passin, "Private Key"); if (!pkey) { /* * load_key() has already printed an appropriate * message */ goto end; } } if (req_config.newreq && (pkey == NULL)) { if (!NCONF_get_number(req_conf, SECTION, BITS, &req_config.newkey)) { req_config.newkey = DEFAULT_KEY_LENGTH; } if (req_config.keyalg) { genctx = set_keygen_ctx(bio_err, req_config.keyalg, &pkey_type, &req_config.newkey, &keyalgstr); if (!genctx) goto end; } if (req_config.newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) { BIO_printf(bio_err, "private key length is too short,\n"); BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, req_config.newkey); goto end; } if (!genctx) { genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &req_config.newkey, &keyalgstr); if (!genctx) goto end; } if (req_config.pkeyopts) { char *genopt; for (i = 0; i < sk_OPENSSL_STRING_num(req_config.pkeyopts); i++) { genopt = sk_OPENSSL_STRING_value(req_config.pkeyopts, i); if (pkey_ctrl_string(genctx, genopt) <= 0) { BIO_printf(bio_err, "parameter error \"%s\"\n", genopt); ERR_print_errors(bio_err); goto end; } } } BIO_printf(bio_err, "Generating a %ld bit %s private key\n", req_config.newkey, keyalgstr); EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); EVP_PKEY_CTX_set_app_data(genctx, bio_err); if (EVP_PKEY_keygen(genctx, &pkey) <= 0) { BIO_puts(bio_err, "Error Generating Key\n"); goto end; } EVP_PKEY_CTX_free(genctx); genctx = NULL; if (req_config.keyout == NULL) { req_config.keyout = NCONF_get_string(req_conf, SECTION, KEYFILE); if (req_config.keyout == NULL) ERR_clear_error(); } if (req_config.keyout == NULL) { BIO_printf(bio_err, "writing new private key to stdout\n"); BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { BIO_printf(bio_err, "writing new private key to '%s'\n", req_config.keyout); if (BIO_write_filename(out, req_config.keyout) <= 0) { perror(req_config.keyout); goto end; } } p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key"); if (p == NULL) { ERR_clear_error(); p = NCONF_get_string(req_conf, SECTION, "encrypt_key"); if (p == NULL) ERR_clear_error(); } if ((p != NULL) && (strcmp(p, "no") == 0)) cipher = NULL; if (req_config.nodes) cipher = NULL; i = 0; loop: if (!PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0, NULL, passout)) { if ((ERR_GET_REASON(ERR_peek_error()) == PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) { ERR_clear_error(); i++; goto loop; } goto end; } BIO_printf(bio_err, "-----\n"); } if (!req_config.newreq) { if (req_config.infile == NULL) BIO_set_fp(in, stdin, BIO_NOCLOSE); else { if (BIO_read_filename(in, req_config.infile) <= 0) { perror(req_config.infile); goto end; } } if (req_config.informat == FORMAT_ASN1) req = d2i_X509_REQ_bio(in, NULL); else if (req_config.informat == FORMAT_PEM) req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); else { BIO_printf(bio_err, "bad input format specified for X509 request\n"); goto end; } if (req == NULL) { BIO_printf(bio_err, "unable to load X509 request\n"); goto end; } } if (req_config.newreq || req_config.x509) { if (pkey == NULL) { BIO_printf(bio_err, "you need to specify a private key\n"); goto end; } if (req == NULL) { req = X509_REQ_new(); if (req == NULL) { goto end; } i = make_REQ(req, pkey, req_config.subj, req_config.multirdn, !req_config.x509, req_config.chtype); req_config.subj = NULL; /* done processing '-subj' option */ if (!i) { BIO_printf(bio_err, "problems making Certificate Request\n"); goto end; } } if (req_config.x509) { EVP_PKEY *tmppkey; X509V3_CTX ext_ctx; if ((x509ss = X509_new()) == NULL) goto end; /* Set version to V3 */ if ((req_config.extensions != NULL || addext_conf != NULL) && !X509_set_version(x509ss, 2)) goto end; if (req_config.serial) { if (!X509_set_serialNumber(x509ss, req_config.serial)) goto end; } else { if (!rand_serial(NULL, X509_get_serialNumber(x509ss))) goto end; } if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0)) goto end; if (!X509_time_adj_ex(X509_get_notAfter(x509ss), req_config.days, 0, NULL)) goto end; if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; if ((tmppkey = X509_REQ_get0_pubkey(req)) == NULL) goto end; if (!X509_set_pubkey(x509ss, tmppkey)) goto end; /* Set up V3 context struct */ X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); X509V3_set_nconf(&ext_ctx, req_conf); /* Add extensions */ if (req_config.extensions && !X509V3_EXT_add_nconf(req_conf, &ext_ctx, req_config.extensions, x509ss)) { BIO_printf(bio_err, "Error Loading extension section %s\n", req_config.extensions); goto end; } if (addext_conf != NULL && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default", x509ss)) { BIO_printf(bio_err, "Error Loading command line extensions\n"); goto end; } i = do_X509_sign(bio_err, x509ss, pkey, req_config.digest, req_config.sigopts); if (!i) { ERR_print_errors(bio_err); goto end; } } else { X509V3_CTX ext_ctx; /* Set up V3 context struct */ X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); X509V3_set_nconf(&ext_ctx, req_conf); /* Add extensions */ if (req_config.req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx, req_config.req_exts, req)) { BIO_printf(bio_err, "Error Loading extension section %s\n", req_config.req_exts); goto end; } if (addext_conf != NULL && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default", req)) { BIO_printf(bio_err, "Error Loading command line extensions\n"); goto end; } i = do_X509_REQ_sign(bio_err, req, pkey, req_config.digest, req_config.sigopts); if (!i) { ERR_print_errors(bio_err); goto end; } } } if (req_config.subj && req_config.x509) { BIO_printf(bio_err, "Cannot modify certificate subject\n"); goto end; } if (req_config.subj && !req_config.x509) { if (req_config.verbose) { BIO_printf(bio_err, "Modifying Request's Subject\n"); print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), req_config.nmflag); } if (build_subject(req, req_config.subj, req_config.chtype, req_config.multirdn) == 0) { BIO_printf(bio_err, "ERROR: cannot modify subject\n"); ex = 1; goto end; } if (req_config.verbose) { print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), req_config.nmflag); } } if (req_config.verify && !req_config.x509) { EVP_PKEY *pubkey = pkey; if (pubkey == NULL) pubkey = X509_REQ_get0_pubkey(req); if (pubkey == NULL) goto end; i = X509_REQ_verify(req, pubkey); if (i < 0) { goto end; } else if (i == 0) { BIO_printf(bio_err, "verify failure\n"); ERR_print_errors(bio_err); } else /* if (i > 0) */ BIO_printf(bio_err, "verify OK\n"); } if (req_config.noout && !req_config.text && !req_config.modulus && !req_config.subject && !req_config.pubkey) { ex = 0; goto end; } if (req_config.outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { if ((req_config.keyout != NULL) && (strcmp(req_config.outfile, req_config.keyout) == 0)) i = (int) BIO_append_filename(out, req_config.outfile); else i = (int) BIO_write_filename(out, req_config.outfile); if (!i) { perror(req_config.outfile); goto end; } } if (req_config.pubkey) { EVP_PKEY *tpubkey; if ((tpubkey = X509_REQ_get0_pubkey(req)) == NULL) { BIO_printf(bio_err, "Error getting public key\n"); ERR_print_errors(bio_err); goto end; } PEM_write_bio_PUBKEY(out, tpubkey); } if (req_config.text) { if (req_config.x509) X509_print_ex(out, x509ss, req_config.nmflag, req_config.reqflag); else X509_REQ_print_ex(out, req, req_config.nmflag, req_config.reqflag); } if (req_config.subject) { if (req_config.x509) print_name(out, "subject=", X509_get_subject_name(x509ss), req_config.nmflag); else print_name(out, "subject=", X509_REQ_get_subject_name(req), req_config.nmflag); } if (req_config.modulus) { EVP_PKEY *tpubkey; if (req_config.x509) tpubkey = X509_get0_pubkey(x509ss); else tpubkey = X509_REQ_get0_pubkey(req); if (tpubkey == NULL) { fprintf(stdout, "Modulus=unavailable\n"); goto end; } fprintf(stdout, "Modulus="); if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) { const BIGNUM *n = NULL; RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL); BN_print(out, n); } else fprintf(stdout, "Wrong Algorithm type"); fprintf(stdout, "\n"); } if (!req_config.noout && !req_config.x509) { if (req_config.outformat == FORMAT_ASN1) i = i2d_X509_REQ_bio(out, req); else if (req_config.outformat == FORMAT_PEM) { if (req_config.newhdr) i = PEM_write_bio_X509_REQ_NEW(out, req); else i = PEM_write_bio_X509_REQ(out, req); } else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write X509 request\n"); goto end; } } if (!req_config.noout && req_config.x509 && (x509ss != NULL)) { if (req_config.outformat == FORMAT_ASN1) i = i2d_X509_bio(out, x509ss); else if (req_config.outformat == FORMAT_PEM) i = PEM_write_bio_X509(out, x509ss); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write X509 certificate\n"); goto end; } } ex = 0; end: if (ex) { ERR_print_errors(bio_err); } if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf); NCONF_free(addext_conf); BIO_free(req_config.addext_bio); BIO_free(in); BIO_free_all(out); EVP_PKEY_free(pkey); if (genctx) EVP_PKEY_CTX_free(genctx); if (req_config.pkeyopts) sk_OPENSSL_STRING_free(req_config.pkeyopts); if (req_config.sigopts) sk_OPENSSL_STRING_free(req_config.sigopts); lh_OPENSSL_STRING_doall(req_config.addexts, (LHASH_DOALL_FN_TYPE)exts_cleanup); lh_OPENSSL_STRING_free(req_config.addexts); free(keyalgstr); X509_REQ_free(req); X509_free(x509ss); ASN1_INTEGER_free(req_config.serial); if (req_config.passargin && passin) free(passin); if (req_config.passargout && passout) free(passout); OBJ_cleanup(); return (ex); } static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn, int attribs, unsigned long chtype) { int ret = 0, i; char no_prompt = 0; STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL; char *tmp, *dn_sect, *attr_sect; tmp = NCONF_get_string(req_conf, SECTION, PROMPT); if (tmp == NULL) ERR_clear_error(); if ((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME); if (dn_sect == NULL) { BIO_printf(bio_err, "unable to find '%s' in config\n", DISTINGUISHED_NAME); goto err; } dn_sk = NCONF_get_section(req_conf, dn_sect); if (dn_sk == NULL) { BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect); goto err; } attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES); if (attr_sect == NULL) { ERR_clear_error(); attr_sk = NULL; } else { attr_sk = NCONF_get_section(req_conf, attr_sect); if (attr_sk == NULL) { BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect); goto err; } } /* setup version number */ if (!X509_REQ_set_version(req, 0L)) goto err; /* version 1 */ if (no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs, chtype); else { if (subj) i = build_subject(req, subj, chtype, multirdn); else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); } if (!i) goto err; if (!X509_REQ_set_pubkey(req, pkey)) goto err; ret = 1; err: return (ret); } /* * subject is expected to be in the format /type0=value0/type1=value1/type2=... * where characters may be escaped by \ */ static int build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn) { X509_NAME *n; if (!(n = parse_name(subject, chtype, multirdn))) return 0; if (!X509_REQ_set_subject_name(req, n)) { X509_NAME_free(n); return 0; } X509_NAME_free(n); return 1; } static int prompt_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect, STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs, unsigned long chtype) { int i; char *p, *q; char buf[100]; int nid, mval; long n_min, n_max; char *type, *value; const char *def; CONF_VALUE *v; X509_NAME *subj; subj = X509_REQ_get_subject_name(req); if (!req_config.batch) { BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n"); BIO_printf(bio_err, "into your certificate request.\n"); BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n"); BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n"); BIO_printf(bio_err, "For some fields there will be a default value,\n"); BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n"); BIO_printf(bio_err, "-----\n"); } if (sk_CONF_VALUE_num(dn_sk)) { i = -1; start: for (;;) { int ret; i++; if (sk_CONF_VALUE_num(dn_sk) <= i) break; v = sk_CONF_VALUE_value(dn_sk, i); p = q = NULL; type = v->name; if (!check_end(type, "_min") || !check_end(type, "_max") || !check_end(type, "_default") || !check_end(type, "_value")) continue; /* * Skip past any leading X. X: X, etc to allow for * multiple instances */ for (p = v->name; *p; p++) if ((*p == ':') || (*p == ',') || (*p == '.')) { p++; if (*p) type = p; break; } if (*type == '+') { mval = -1; type++; } else mval = 0; /* If OBJ not recognised ignore it */ if ((nid = OBJ_txt2nid(type)) == NID_undef) goto start; ret = snprintf(buf, sizeof buf, "%s_default", v->name); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for default\n", v->name); return 0; } if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { ERR_clear_error(); def = ""; } ret = snprintf(buf, sizeof buf, "%s_value", v->name); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for value\n", v->name); return 0; } if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { ERR_clear_error(); value = NULL; } ret = snprintf(buf, sizeof buf, "%s_min", v->name); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for min\n", v->name); return 0; } if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) { ERR_clear_error(); n_min = -1; } ret = snprintf(buf, sizeof buf, "%s_max", v->name); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for max\n", v->name); return 0; } if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) { ERR_clear_error(); n_max = -1; } if (!add_DN_object(subj, v->value, def, value, nid, n_min, n_max, chtype, mval)) return 0; } if (X509_NAME_entry_count(subj) == 0) { BIO_printf(bio_err, "error, no objects specified in config file\n"); return 0; } if (attribs) { if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!req_config.batch)) { BIO_printf(bio_err, "\nPlease enter the following 'extra' attributes\n"); BIO_printf(bio_err, "to be sent with your certificate request\n"); } i = -1; start2: for (;;) { int ret; i++; if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i)) break; v = sk_CONF_VALUE_value(attr_sk, i); type = v->name; if ((nid = OBJ_txt2nid(type)) == NID_undef) goto start2; ret = snprintf(buf, sizeof buf, "%s_default", type); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for default\n", v->name); return 0; } if ((def = NCONF_get_string(req_conf, attr_sect, buf)) == NULL) { ERR_clear_error(); def = ""; } ret = snprintf(buf, sizeof buf, "%s_value", type); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for value\n", v->name); return 0; } if ((value = NCONF_get_string(req_conf, attr_sect, buf)) == NULL) { ERR_clear_error(); value = NULL; } ret = snprintf(buf, sizeof buf, "%s_min", type); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for min\n", v->name); return 0; } if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) { ERR_clear_error(); n_min = -1; } ret = snprintf(buf, sizeof buf, "%s_max", type); if (ret < 0 || ret >= sizeof(buf)) { BIO_printf(bio_err, "Name '%s' too long for max\n", v->name); return 0; } if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) { ERR_clear_error(); n_max = -1; } if (!add_attribute_object(req, v->value, def, value, nid, n_min, n_max, chtype)) return 0; } } } else { BIO_printf(bio_err, "No template, please set one up.\n"); return 0; } return 1; } static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk, STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype) { int i; char *p, *q; char *type; CONF_VALUE *v; X509_NAME *subj; subj = X509_REQ_get_subject_name(req); for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) { int mval; v = sk_CONF_VALUE_value(dn_sk, i); p = q = NULL; type = v->name; /* * Skip past any leading X. X: X, etc to allow for multiple * instances */ for (p = v->name; *p; p++) if ((*p == ':') || (*p == ',') || (*p == '.')) { p++; if (*p) type = p; break; } if (*p == '+') { p++; mval = -1; } else mval = 0; if (!X509_NAME_add_entry_by_txt(subj, type, chtype, (unsigned char *) v->value, -1, -1, mval)) return 0; } if (!X509_NAME_entry_count(subj)) { BIO_printf(bio_err, "error, no objects specified in config file\n"); return 0; } if (attribs) { for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) { v = sk_CONF_VALUE_value(attr_sk, i); if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype, (unsigned char *) v->value, -1)) return 0; } } return 1; } static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value, int nid, int n_min, int n_max, unsigned long chtype, int mval) { int i, ret = 0; char buf[1024]; start: if (!req_config.batch) BIO_printf(bio_err, "%s [%s]:", text, def); (void) BIO_flush(bio_err); if (value != NULL) { strlcpy(buf, value, sizeof buf); strlcat(buf, "\n", sizeof buf); BIO_printf(bio_err, "%s\n", value); } else { buf[0] = '\0'; if (!req_config.batch) { if (!fgets(buf, sizeof buf, stdin)) return 0; } else { buf[0] = '\n'; buf[1] = '\0'; } } if (buf[0] == '\0') return (0); else if (buf[0] == '\n') { if ((def == NULL) || (def[0] == '\0')) return (1); strlcpy(buf, def, sizeof buf); strlcat(buf, "\n", sizeof buf); } else if ((buf[0] == '.') && (buf[1] == '\n')) return (1); i = strlen(buf); if (buf[i - 1] != '\n') { BIO_printf(bio_err, "weird input :-(\n"); return (0); } buf[--i] = '\0'; if (!req_check_len(i, n_min, n_max)) goto start; if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char *) buf, -1, -1, mval)) goto err; ret = 1; err: return (ret); } static int add_attribute_object(X509_REQ * req, char *text, const char *def, char *value, int nid, int n_min, int n_max, unsigned long chtype) { int i; static char buf[1024]; start: if (!req_config.batch) BIO_printf(bio_err, "%s [%s]:", text, def); (void) BIO_flush(bio_err); if (value != NULL) { strlcpy(buf, value, sizeof buf); strlcat(buf, "\n", sizeof buf); BIO_printf(bio_err, "%s\n", value); } else { buf[0] = '\0'; if (!req_config.batch) { if (!fgets(buf, sizeof buf, stdin)) return 0; } else { buf[0] = '\n'; buf[1] = '\0'; } } if (buf[0] == '\0') return (0); else if (buf[0] == '\n') { if ((def == NULL) || (def[0] == '\0')) return (1); strlcpy(buf, def, sizeof buf); strlcat(buf, "\n", sizeof buf); } else if ((buf[0] == '.') && (buf[1] == '\n')) return (1); i = strlen(buf); if (buf[i - 1] != '\n') { BIO_printf(bio_err, "weird input :-(\n"); return (0); } buf[--i] = '\0'; if (!req_check_len(i, n_min, n_max)) goto start; if (!X509_REQ_add1_attr_by_NID(req, nid, chtype, (unsigned char *) buf, -1)) { BIO_printf(bio_err, "Error adding attribute\n"); ERR_print_errors(bio_err); goto err; } return (1); err: return (0); } static int req_check_len(int len, int n_min, int n_max) { if ((n_min > 0) && (len < n_min)) { BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min); return (0); } if ((n_max >= 0) && (len > n_max)) { BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max); return (0); } return (1); } /* Check if the end of a string matches 'end' */ static int check_end(const char *str, const char *end) { int elen, slen; const char *tmp; elen = strlen(end); slen = strlen(str); if (elen > slen) return 1; tmp = str + slen - elen; return strcmp(tmp, end); } static EVP_PKEY_CTX * set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type, long *pkeylen, char **palgnam) { EVP_PKEY_CTX *gctx = NULL; EVP_PKEY *param = NULL; long keylen = -1; BIO *pbio = NULL; const char *paramfile = NULL; const char *errstr; if (gstr == NULL) { *pkey_type = EVP_PKEY_RSA; keylen = *pkeylen; } else if (gstr[0] >= '0' && gstr[0] <= '9') { *pkey_type = EVP_PKEY_RSA; keylen = strtonum(gstr, 0, LONG_MAX, &errstr); if (errstr) { BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr); return NULL; } *pkeylen = keylen; } else if (!strncmp(gstr, "param:", 6)) paramfile = gstr + 6; else { const char *p = strchr(gstr, ':'); int len; const EVP_PKEY_ASN1_METHOD *ameth; if (p) len = p - gstr; else len = strlen(gstr); ameth = EVP_PKEY_asn1_find_str(NULL, gstr, len); if (!ameth) { BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); return NULL; } EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth); if (*pkey_type == EVP_PKEY_RSA) { if (p) { keylen = strtonum(p + 1, 0, LONG_MAX, &errstr); if (errstr) { BIO_printf(err, "bad algorithm %s: %s\n", p + 1, errstr); return NULL; } *pkeylen = keylen; } else keylen = *pkeylen; } else if (p) paramfile = p + 1; } if (paramfile) { pbio = BIO_new_file(paramfile, "r"); if (!pbio) { BIO_printf(err, "Can't open parameter file %s\n", paramfile); return NULL; } param = PEM_read_bio_Parameters(pbio, NULL); if (!param) { X509 *x; (void) BIO_reset(pbio); x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); if (x) { param = X509_get_pubkey(x); X509_free(x); } } BIO_free(pbio); if (!param) { BIO_printf(err, "Error reading parameter file %s\n", paramfile); return NULL; } if (*pkey_type == -1) *pkey_type = EVP_PKEY_id(param); else if (*pkey_type != EVP_PKEY_base_id(param)) { BIO_printf(err, "Key Type does not match parameters\n"); EVP_PKEY_free(param); return NULL; } } if (palgnam) { const EVP_PKEY_ASN1_METHOD *ameth; const char *anam; ameth = EVP_PKEY_asn1_find(NULL, *pkey_type); if (!ameth) { BIO_puts(err, "Internal error: can't find key algorithm\n"); return NULL; } EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); *palgnam = strdup(anam); } if (param) { gctx = EVP_PKEY_CTX_new(param, NULL); *pkeylen = EVP_PKEY_bits(param); EVP_PKEY_free(param); } else gctx = EVP_PKEY_CTX_new_id(*pkey_type, NULL); if (!gctx) { BIO_puts(err, "Error allocating keygen context\n"); ERR_print_errors(err); return NULL; } if (EVP_PKEY_keygen_init(gctx) <= 0) { BIO_puts(err, "Error initializing keygen context\n"); ERR_print_errors(err); return NULL; } if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) { if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) { BIO_puts(err, "Error setting RSA keysize\n"); ERR_print_errors(err); EVP_PKEY_CTX_free(gctx); return NULL; } } return gctx; } static int genpkey_cb(EVP_PKEY_CTX * ctx) { char c = '*'; BIO *b = EVP_PKEY_CTX_get_app_data(ctx); int p; p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); if (p == 0) c = '.'; if (p == 1) c = '+'; if (p == 2) c = '*'; if (p == 3) c = '\n'; BIO_write(b, &c, 1); (void) BIO_flush(b); return 1; } static int do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey, const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts) { EVP_PKEY_CTX *pkctx = NULL; int i; EVP_MD_CTX_init(ctx); if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) return 0; for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); if (pkey_ctrl_string(pkctx, sigopt) <= 0) { BIO_printf(err, "parameter error \"%s\"\n", sigopt); ERR_print_errors(bio_err); return 0; } } return 1; } int do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts) { EVP_MD_CTX *mctx; int rv; if ((mctx = EVP_MD_CTX_new()) == NULL) return 0; rv = do_sign_init(err, mctx, pkey, md, sigopts); if (rv > 0) rv = X509_sign_ctx(x, mctx); EVP_MD_CTX_free(mctx); return rv > 0; } int do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts) { EVP_MD_CTX *mctx; int rv; if ((mctx = EVP_MD_CTX_new()) == NULL) return 0; rv = do_sign_init(err, mctx, pkey, md, sigopts); if (rv > 0) rv = X509_REQ_sign_ctx(x, mctx); EVP_MD_CTX_free(mctx); return rv > 0; } int do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts) { int rv; EVP_MD_CTX *mctx; if ((mctx = EVP_MD_CTX_new()) == NULL) return 0; rv = do_sign_init(err, mctx, pkey, md, sigopts); if (rv > 0) rv = X509_CRL_sign_ctx(x, mctx); EVP_MD_CTX_free(mctx); return rv > 0; } static unsigned long ext_name_hash(const OPENSSL_STRING *a) { return lh_strhash((const char *)a); } static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b) { return strcmp((const char *)a, (const char *)b); } static void exts_cleanup(OPENSSL_STRING *x) { free((char *)x); } /* * Is the |kv| key already duplicated ? This is remarkably tricky to get right. * Return 0 if unique, -1 on runtime error; 1 if found or a syntax error. */ static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv) { char *p; size_t off; /* Check syntax. */ /* Skip leading whitespace, make a copy. */ while (*kv && isspace(*kv)) if (*++kv == '\0') return 1; if ((p = strchr(kv, '=')) == NULL) return 1; off = p - kv; if ((kv = strdup(kv)) == NULL) return -1; /* Skip trailing space before the equal sign. */ for (p = kv + off; p > kv; --p) if (!isspace(p[-1])) break; if (p == kv) { free(kv); return 1; } *p = '\0'; /* See if "key" is there by attempting to add it. */ if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv)) != NULL || lh_OPENSSL_STRING_error(addexts)) { free(p != NULL ? p : kv); return -1; } return 0; }