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1.1 ! jsing 1: /* $OpenBSD: req.c,v 1.46 2014/07/14 00:35:10 deraadt Exp $ */
! 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
! 3: * All rights reserved.
! 4: *
! 5: * This package is an SSL implementation written
! 6: * by Eric Young (eay@cryptsoft.com).
! 7: * The implementation was written so as to conform with Netscapes SSL.
! 8: *
! 9: * This library is free for commercial and non-commercial use as long as
! 10: * the following conditions are aheared to. The following conditions
! 11: * apply to all code found in this distribution, be it the RC4, RSA,
! 12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
! 13: * included with this distribution is covered by the same copyright terms
! 14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
! 15: *
! 16: * Copyright remains Eric Young's, and as such any Copyright notices in
! 17: * the code are not to be removed.
! 18: * If this package is used in a product, Eric Young should be given attribution
! 19: * as the author of the parts of the library used.
! 20: * This can be in the form of a textual message at program startup or
! 21: * in documentation (online or textual) provided with the package.
! 22: *
! 23: * Redistribution and use in source and binary forms, with or without
! 24: * modification, are permitted provided that the following conditions
! 25: * are met:
! 26: * 1. Redistributions of source code must retain the copyright
! 27: * notice, this list of conditions and the following disclaimer.
! 28: * 2. Redistributions in binary form must reproduce the above copyright
! 29: * notice, this list of conditions and the following disclaimer in the
! 30: * documentation and/or other materials provided with the distribution.
! 31: * 3. All advertising materials mentioning features or use of this software
! 32: * must display the following acknowledgement:
! 33: * "This product includes cryptographic software written by
! 34: * Eric Young (eay@cryptsoft.com)"
! 35: * The word 'cryptographic' can be left out if the rouines from the library
! 36: * being used are not cryptographic related :-).
! 37: * 4. If you include any Windows specific code (or a derivative thereof) from
! 38: * the apps directory (application code) you must include an acknowledgement:
! 39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
! 40: *
! 41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
! 42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 51: * SUCH DAMAGE.
! 52: *
! 53: * The licence and distribution terms for any publically available version or
! 54: * derivative of this code cannot be changed. i.e. this code cannot simply be
! 55: * copied and put under another distribution licence
! 56: * [including the GNU Public Licence.]
! 57: */
! 58:
! 59: /* Until the key-gen callbacks are modified to use newer prototypes, we allow
! 60: * deprecated functions for openssl-internal code */
! 61: #ifdef OPENSSL_NO_DEPRECATED
! 62: #undef OPENSSL_NO_DEPRECATED
! 63: #endif
! 64:
! 65: #include <stdio.h>
! 66: #include <stdlib.h>
! 67: #include <limits.h>
! 68: #include <string.h>
! 69: #include <time.h>
! 70:
! 71: #include "apps.h"
! 72:
! 73: #include <openssl/asn1.h>
! 74: #include <openssl/bio.h>
! 75: #include <openssl/bn.h>
! 76: #include <openssl/conf.h>
! 77: #include <openssl/err.h>
! 78: #include <openssl/evp.h>
! 79: #include <openssl/objects.h>
! 80: #include <openssl/pem.h>
! 81: #include <openssl/x509.h>
! 82: #include <openssl/x509v3.h>
! 83:
! 84: #include <openssl/dsa.h>
! 85:
! 86: #include <openssl/rsa.h>
! 87:
! 88: #define SECTION "req"
! 89:
! 90: #define BITS "default_bits"
! 91: #define KEYFILE "default_keyfile"
! 92: #define PROMPT "prompt"
! 93: #define DISTINGUISHED_NAME "distinguished_name"
! 94: #define ATTRIBUTES "attributes"
! 95: #define V3_EXTENSIONS "x509_extensions"
! 96: #define REQ_EXTENSIONS "req_extensions"
! 97: #define STRING_MASK "string_mask"
! 98: #define UTF8_IN "utf8"
! 99:
! 100: #define DEFAULT_KEY_LENGTH 512
! 101: #define MIN_KEY_LENGTH 384
! 102:
! 103:
! 104: /* -inform arg - input format - default PEM (DER or PEM)
! 105: * -outform arg - output format - default PEM
! 106: * -in arg - input file - default stdin
! 107: * -out arg - output file - default stdout
! 108: * -verify - check request signature
! 109: * -noout - don't print stuff out.
! 110: * -text - print out human readable text.
! 111: * -nodes - no des encryption
! 112: * -config file - Load configuration file.
! 113: * -key file - make a request using key in file (or use it for verification).
! 114: * -keyform arg - key file format.
! 115: * -newkey - make a key and a request.
! 116: * -modulus - print RSA modulus.
! 117: * -pubkey - output Public Key.
! 118: * -x509 - output a self signed X509 structure instead.
! 119: * -asn1-kludge - output new certificate request in a format that some CA's
! 120: * require. This format is wrong
! 121: */
! 122:
! 123: static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int mutlirdn,
! 124: int attribs, unsigned long chtype);
! 125: static int build_subject(X509_REQ * req, char *subj, unsigned long chtype,
! 126: int multirdn);
! 127: static int prompt_info(X509_REQ * req,
! 128: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
! 129: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
! 130: unsigned long chtype);
! 131: static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk,
! 132: STACK_OF(CONF_VALUE) * attr, int attribs,
! 133: unsigned long chtype);
! 134: static int add_attribute_object(X509_REQ * req, char *text, const char *def,
! 135: char *value, int nid, int n_min,
! 136: int n_max, unsigned long chtype);
! 137: static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
! 138: int nid, int n_min, int n_max, unsigned long chtype, int mval);
! 139: static int genpkey_cb(EVP_PKEY_CTX * ctx);
! 140: static int req_check_len(int len, int n_min, int n_max);
! 141: static int check_end(const char *str, const char *end);
! 142: static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
! 143: long *pkeylen, char **palgnam,
! 144: ENGINE * keygen_engine);
! 145: static CONF *req_conf = NULL;
! 146: static int batch = 0;
! 147:
! 148: int req_main(int, char **);
! 149:
! 150: int
! 151: req_main(int argc, char **argv)
! 152: {
! 153: ENGINE *e = NULL, *gen_eng = NULL;
! 154: unsigned long nmflag = 0, reqflag = 0;
! 155: int ex = 1, x509 = 0, days = 30;
! 156: X509 *x509ss = NULL;
! 157: X509_REQ *req = NULL;
! 158: EVP_PKEY_CTX *genctx = NULL;
! 159: const char *keyalg = NULL;
! 160: char *keyalgstr = NULL;
! 161: STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL;
! 162: EVP_PKEY *pkey = NULL;
! 163: int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1;
! 164: long newkey = -1;
! 165: BIO *in = NULL, *out = NULL;
! 166: int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM;
! 167: int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
! 168: char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL,
! 169: *keyout = NULL;
! 170: #ifndef OPENSSL_NO_ENGINE
! 171: char *engine = NULL;
! 172: #endif
! 173: char *extensions = NULL;
! 174: char *req_exts = NULL;
! 175: const EVP_CIPHER *cipher = NULL;
! 176: ASN1_INTEGER *serial = NULL;
! 177: int modulus = 0;
! 178: char *passargin = NULL, *passargout = NULL;
! 179: char *passin = NULL, *passout = NULL;
! 180: char *p;
! 181: char *subj = NULL;
! 182: int multirdn = 0;
! 183: const EVP_MD *md_alg = NULL, *digest = NULL;
! 184: unsigned long chtype = MBSTRING_ASC;
! 185:
! 186: req_conf = NULL;
! 187: #ifndef OPENSSL_NO_DES
! 188: cipher = EVP_des_ede3_cbc();
! 189: #endif
! 190:
! 191: infile = NULL;
! 192: outfile = NULL;
! 193: informat = FORMAT_PEM;
! 194: outformat = FORMAT_PEM;
! 195:
! 196: prog = argv[0];
! 197: argc--;
! 198: argv++;
! 199: while (argc >= 1) {
! 200: if (strcmp(*argv, "-inform") == 0) {
! 201: if (--argc < 1)
! 202: goto bad;
! 203: informat = str2fmt(*(++argv));
! 204: } else if (strcmp(*argv, "-outform") == 0) {
! 205: if (--argc < 1)
! 206: goto bad;
! 207: outformat = str2fmt(*(++argv));
! 208: }
! 209: #ifndef OPENSSL_NO_ENGINE
! 210: else if (strcmp(*argv, "-engine") == 0) {
! 211: if (--argc < 1)
! 212: goto bad;
! 213: engine = *(++argv);
! 214: } else if (strcmp(*argv, "-keygen_engine") == 0) {
! 215: if (--argc < 1)
! 216: goto bad;
! 217: gen_eng = ENGINE_by_id(*(++argv));
! 218: if (gen_eng == NULL) {
! 219: BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
! 220: goto end;
! 221: }
! 222: }
! 223: #endif
! 224: else if (strcmp(*argv, "-key") == 0) {
! 225: if (--argc < 1)
! 226: goto bad;
! 227: keyfile = *(++argv);
! 228: } else if (strcmp(*argv, "-pubkey") == 0) {
! 229: pubkey = 1;
! 230: } else if (strcmp(*argv, "-new") == 0) {
! 231: newreq = 1;
! 232: } else if (strcmp(*argv, "-config") == 0) {
! 233: if (--argc < 1)
! 234: goto bad;
! 235: template = *(++argv);
! 236: } else if (strcmp(*argv, "-keyform") == 0) {
! 237: if (--argc < 1)
! 238: goto bad;
! 239: keyform = str2fmt(*(++argv));
! 240: } else if (strcmp(*argv, "-in") == 0) {
! 241: if (--argc < 1)
! 242: goto bad;
! 243: infile = *(++argv);
! 244: } else if (strcmp(*argv, "-out") == 0) {
! 245: if (--argc < 1)
! 246: goto bad;
! 247: outfile = *(++argv);
! 248: } else if (strcmp(*argv, "-keyout") == 0) {
! 249: if (--argc < 1)
! 250: goto bad;
! 251: keyout = *(++argv);
! 252: } else if (strcmp(*argv, "-passin") == 0) {
! 253: if (--argc < 1)
! 254: goto bad;
! 255: passargin = *(++argv);
! 256: } else if (strcmp(*argv, "-passout") == 0) {
! 257: if (--argc < 1)
! 258: goto bad;
! 259: passargout = *(++argv);
! 260: } else if (strcmp(*argv, "-newkey") == 0) {
! 261: if (--argc < 1)
! 262: goto bad;
! 263: keyalg = *(++argv);
! 264: newreq = 1;
! 265: } else if (strcmp(*argv, "-pkeyopt") == 0) {
! 266: if (--argc < 1)
! 267: goto bad;
! 268: if (!pkeyopts)
! 269: pkeyopts = sk_OPENSSL_STRING_new_null();
! 270: if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
! 271: goto bad;
! 272: } else if (strcmp(*argv, "-sigopt") == 0) {
! 273: if (--argc < 1)
! 274: goto bad;
! 275: if (!sigopts)
! 276: sigopts = sk_OPENSSL_STRING_new_null();
! 277: if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
! 278: goto bad;
! 279: } else if (strcmp(*argv, "-batch") == 0)
! 280: batch = 1;
! 281: else if (strcmp(*argv, "-newhdr") == 0)
! 282: newhdr = 1;
! 283: else if (strcmp(*argv, "-modulus") == 0)
! 284: modulus = 1;
! 285: else if (strcmp(*argv, "-verify") == 0)
! 286: verify = 1;
! 287: else if (strcmp(*argv, "-nodes") == 0)
! 288: nodes = 1;
! 289: else if (strcmp(*argv, "-noout") == 0)
! 290: noout = 1;
! 291: else if (strcmp(*argv, "-verbose") == 0)
! 292: verbose = 1;
! 293: else if (strcmp(*argv, "-utf8") == 0)
! 294: chtype = MBSTRING_UTF8;
! 295: else if (strcmp(*argv, "-nameopt") == 0) {
! 296: if (--argc < 1)
! 297: goto bad;
! 298: if (!set_name_ex(&nmflag, *(++argv)))
! 299: goto bad;
! 300: } else if (strcmp(*argv, "-reqopt") == 0) {
! 301: if (--argc < 1)
! 302: goto bad;
! 303: if (!set_cert_ex(&reqflag, *(++argv)))
! 304: goto bad;
! 305: } else if (strcmp(*argv, "-subject") == 0)
! 306: subject = 1;
! 307: else if (strcmp(*argv, "-text") == 0)
! 308: text = 1;
! 309: else if (strcmp(*argv, "-x509") == 0)
! 310: x509 = 1;
! 311: else if (strcmp(*argv, "-asn1-kludge") == 0)
! 312: kludge = 1;
! 313: else if (strcmp(*argv, "-no-asn1-kludge") == 0)
! 314: kludge = 0;
! 315: else if (strcmp(*argv, "-subj") == 0) {
! 316: if (--argc < 1)
! 317: goto bad;
! 318: subj = *(++argv);
! 319: } else if (strcmp(*argv, "-multivalue-rdn") == 0)
! 320: multirdn = 1;
! 321: else if (strcmp(*argv, "-days") == 0) {
! 322: const char *errstr;
! 323:
! 324: if (--argc < 1)
! 325: goto bad;
! 326: days = strtonum(*(++argv), 1, INT_MAX, &errstr);
! 327: if (errstr) {
! 328: BIO_printf(bio_err, "bad -days %s, using 0: %s\n",
! 329: *argv, errstr);
! 330: days = 30;
! 331: }
! 332: } else if (strcmp(*argv, "-set_serial") == 0) {
! 333: if (--argc < 1)
! 334: goto bad;
! 335: serial = s2i_ASN1_INTEGER(NULL, *(++argv));
! 336: if (!serial)
! 337: goto bad;
! 338: } else if (strcmp(*argv, "-extensions") == 0) {
! 339: if (--argc < 1)
! 340: goto bad;
! 341: extensions = *(++argv);
! 342: } else if (strcmp(*argv, "-reqexts") == 0) {
! 343: if (--argc < 1)
! 344: goto bad;
! 345: req_exts = *(++argv);
! 346: } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
! 347: /* ok */
! 348: digest = md_alg;
! 349: } else {
! 350: BIO_printf(bio_err, "unknown option %s\n", *argv);
! 351: badops = 1;
! 352: break;
! 353: }
! 354: argc--;
! 355: argv++;
! 356: }
! 357:
! 358: if (badops) {
! 359: bad:
! 360: BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
! 361: BIO_printf(bio_err, "where options are\n");
! 362: BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
! 363: BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
! 364: BIO_printf(bio_err, " -in arg input file\n");
! 365: BIO_printf(bio_err, " -out arg output file\n");
! 366: BIO_printf(bio_err, " -text text form of request\n");
! 367: BIO_printf(bio_err, " -pubkey output public key\n");
! 368: BIO_printf(bio_err, " -noout do not output REQ\n");
! 369: BIO_printf(bio_err, " -verify verify signature on REQ\n");
! 370: BIO_printf(bio_err, " -modulus RSA modulus\n");
! 371: BIO_printf(bio_err, " -nodes don't encrypt the output key\n");
! 372: #ifndef OPENSSL_NO_ENGINE
! 373: BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device\n");
! 374: #endif
! 375: BIO_printf(bio_err, " -subject output the request's subject\n");
! 376: BIO_printf(bio_err, " -passin private key password source\n");
! 377: BIO_printf(bio_err, " -key file use the private key contained in file\n");
! 378: BIO_printf(bio_err, " -keyform arg key file format\n");
! 379: BIO_printf(bio_err, " -keyout arg file to send the key to\n");
! 380: BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
! 381: BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
! 382: BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
! 383: BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
! 384: BIO_printf(bio_err, " -config file request template file.\n");
! 385: BIO_printf(bio_err, " -subj arg set or modify request subject\n");
! 386: BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n");
! 387: BIO_printf(bio_err, " -new new request.\n");
! 388: BIO_printf(bio_err, " -batch do not ask anything during request generation\n");
! 389: BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n");
! 390: BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n");
! 391: BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n");
! 392: BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n");
! 393: BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n");
! 394: BIO_printf(bio_err, " have been reported as requiring\n");
! 395: BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n");
! 396: BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n");
! 397: BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n");
! 398: BIO_printf(bio_err, " -nameopt arg - various certificate name options\n");
! 399: BIO_printf(bio_err, " -reqopt arg - various request text options\n\n");
! 400: goto end;
! 401: }
! 402: ERR_load_crypto_strings();
! 403: if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
! 404: BIO_printf(bio_err, "Error getting passwords\n");
! 405: goto end;
! 406: }
! 407: if (template != NULL) {
! 408: long errline = -1;
! 409:
! 410: if (verbose)
! 411: BIO_printf(bio_err, "Using configuration from %s\n", template);
! 412: req_conf = NCONF_new(NULL);
! 413: i = NCONF_load(req_conf, template, &errline);
! 414: if (i == 0) {
! 415: BIO_printf(bio_err, "error on line %ld of %s\n", errline, template);
! 416: goto end;
! 417: }
! 418: } else {
! 419: req_conf = config;
! 420:
! 421: if (req_conf == NULL) {
! 422: BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file);
! 423: if (newreq)
! 424: goto end;
! 425: } else if (verbose)
! 426: BIO_printf(bio_err, "Using configuration from %s\n",
! 427: default_config_file);
! 428: }
! 429:
! 430: if (req_conf != NULL) {
! 431: if (!load_config(bio_err, req_conf))
! 432: goto end;
! 433: p = NCONF_get_string(req_conf, NULL, "oid_file");
! 434: if (p == NULL)
! 435: ERR_clear_error();
! 436: if (p != NULL) {
! 437: BIO *oid_bio;
! 438:
! 439: oid_bio = BIO_new_file(p, "r");
! 440: if (oid_bio == NULL) {
! 441: /*
! 442: BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
! 443: ERR_print_errors(bio_err);
! 444: */
! 445: } else {
! 446: OBJ_create_objects(oid_bio);
! 447: BIO_free(oid_bio);
! 448: }
! 449: }
! 450: }
! 451: if (!add_oid_section(bio_err, req_conf))
! 452: goto end;
! 453:
! 454: if (md_alg == NULL) {
! 455: p = NCONF_get_string(req_conf, SECTION, "default_md");
! 456: if (p == NULL)
! 457: ERR_clear_error();
! 458: if (p != NULL) {
! 459: if ((md_alg = EVP_get_digestbyname(p)) != NULL)
! 460: digest = md_alg;
! 461: }
! 462: }
! 463: if (!extensions) {
! 464: extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
! 465: if (!extensions)
! 466: ERR_clear_error();
! 467: }
! 468: if (extensions) {
! 469: /* Check syntax of file */
! 470: X509V3_CTX ctx;
! 471: X509V3_set_ctx_test(&ctx);
! 472: X509V3_set_nconf(&ctx, req_conf);
! 473: if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
! 474: BIO_printf(bio_err,
! 475: "Error Loading extension section %s\n", extensions);
! 476: goto end;
! 477: }
! 478: }
! 479: if (!passin) {
! 480: passin = NCONF_get_string(req_conf, SECTION, "input_password");
! 481: if (!passin)
! 482: ERR_clear_error();
! 483: }
! 484: if (!passout) {
! 485: passout = NCONF_get_string(req_conf, SECTION, "output_password");
! 486: if (!passout)
! 487: ERR_clear_error();
! 488: }
! 489: p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
! 490: if (!p)
! 491: ERR_clear_error();
! 492:
! 493: if (p && !ASN1_STRING_set_default_mask_asc(p)) {
! 494: BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
! 495: goto end;
! 496: }
! 497: if (chtype != MBSTRING_UTF8) {
! 498: p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
! 499: if (!p)
! 500: ERR_clear_error();
! 501: else if (!strcmp(p, "yes"))
! 502: chtype = MBSTRING_UTF8;
! 503: }
! 504: if (!req_exts) {
! 505: req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
! 506: if (!req_exts)
! 507: ERR_clear_error();
! 508: }
! 509: if (req_exts) {
! 510: /* Check syntax of file */
! 511: X509V3_CTX ctx;
! 512: X509V3_set_ctx_test(&ctx);
! 513: X509V3_set_nconf(&ctx, req_conf);
! 514: if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
! 515: BIO_printf(bio_err,
! 516: "Error Loading request extension section %s\n",
! 517: req_exts);
! 518: goto end;
! 519: }
! 520: }
! 521: in = BIO_new(BIO_s_file());
! 522: out = BIO_new(BIO_s_file());
! 523: if ((in == NULL) || (out == NULL))
! 524: goto end;
! 525:
! 526: #ifndef OPENSSL_NO_ENGINE
! 527: e = setup_engine(bio_err, engine, 0);
! 528: #endif
! 529:
! 530: if (keyfile != NULL) {
! 531: pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
! 532: "Private Key");
! 533: if (!pkey) {
! 534: /*
! 535: * load_key() has already printed an appropriate
! 536: * message
! 537: */
! 538: goto end;
! 539: }
! 540: }
! 541: if (newreq && (pkey == NULL)) {
! 542: if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
! 543: newkey = DEFAULT_KEY_LENGTH;
! 544: }
! 545: if (keyalg) {
! 546: genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
! 547: &keyalgstr, gen_eng);
! 548: if (!genctx)
! 549: goto end;
! 550: }
! 551: if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
! 552: BIO_printf(bio_err, "private key length is too short,\n");
! 553: BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey);
! 554: goto end;
! 555: }
! 556: if (!genctx) {
! 557: genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
! 558: &keyalgstr, gen_eng);
! 559: if (!genctx)
! 560: goto end;
! 561: }
! 562: if (pkeyopts) {
! 563: char *genopt;
! 564: for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
! 565: genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
! 566: if (pkey_ctrl_string(genctx, genopt) <= 0) {
! 567: BIO_printf(bio_err,
! 568: "parameter error \"%s\"\n",
! 569: genopt);
! 570: ERR_print_errors(bio_err);
! 571: goto end;
! 572: }
! 573: }
! 574: }
! 575: BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
! 576: newkey, keyalgstr);
! 577:
! 578: EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
! 579: EVP_PKEY_CTX_set_app_data(genctx, bio_err);
! 580:
! 581: if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
! 582: BIO_puts(bio_err, "Error Generating Key\n");
! 583: goto end;
! 584: }
! 585: EVP_PKEY_CTX_free(genctx);
! 586: genctx = NULL;
! 587:
! 588: if (keyout == NULL) {
! 589: keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
! 590: if (keyout == NULL)
! 591: ERR_clear_error();
! 592: }
! 593: if (keyout == NULL) {
! 594: BIO_printf(bio_err, "writing new private key to stdout\n");
! 595: BIO_set_fp(out, stdout, BIO_NOCLOSE);
! 596: } else {
! 597: BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
! 598: if (BIO_write_filename(out, keyout) <= 0) {
! 599: perror(keyout);
! 600: goto end;
! 601: }
! 602: }
! 603:
! 604: p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
! 605: if (p == NULL) {
! 606: ERR_clear_error();
! 607: p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
! 608: if (p == NULL)
! 609: ERR_clear_error();
! 610: }
! 611: if ((p != NULL) && (strcmp(p, "no") == 0))
! 612: cipher = NULL;
! 613: if (nodes)
! 614: cipher = NULL;
! 615:
! 616: i = 0;
! 617: loop:
! 618: if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
! 619: NULL, 0, NULL, passout)) {
! 620: if ((ERR_GET_REASON(ERR_peek_error()) ==
! 621: PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
! 622: ERR_clear_error();
! 623: i++;
! 624: goto loop;
! 625: }
! 626: goto end;
! 627: }
! 628: BIO_printf(bio_err, "-----\n");
! 629: }
! 630: if (!newreq) {
! 631: /*
! 632: * Since we are using a pre-existing certificate request, the
! 633: * kludge 'format' info should not be changed.
! 634: */
! 635: kludge = -1;
! 636: if (infile == NULL)
! 637: BIO_set_fp(in, stdin, BIO_NOCLOSE);
! 638: else {
! 639: if (BIO_read_filename(in, infile) <= 0) {
! 640: perror(infile);
! 641: goto end;
! 642: }
! 643: }
! 644:
! 645: if (informat == FORMAT_ASN1)
! 646: req = d2i_X509_REQ_bio(in, NULL);
! 647: else if (informat == FORMAT_PEM)
! 648: req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
! 649: else {
! 650: BIO_printf(bio_err, "bad input format specified for X509 request\n");
! 651: goto end;
! 652: }
! 653: if (req == NULL) {
! 654: BIO_printf(bio_err, "unable to load X509 request\n");
! 655: goto end;
! 656: }
! 657: }
! 658: if (newreq || x509) {
! 659: if (pkey == NULL) {
! 660: BIO_printf(bio_err, "you need to specify a private key\n");
! 661: goto end;
! 662: }
! 663: if (req == NULL) {
! 664: req = X509_REQ_new();
! 665: if (req == NULL) {
! 666: goto end;
! 667: }
! 668: i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
! 669: subj = NULL; /* done processing '-subj' option */
! 670: if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
! 671: sk_X509_ATTRIBUTE_free(req->req_info->attributes);
! 672: req->req_info->attributes = NULL;
! 673: }
! 674: if (!i) {
! 675: BIO_printf(bio_err, "problems making Certificate Request\n");
! 676: goto end;
! 677: }
! 678: }
! 679: if (x509) {
! 680: EVP_PKEY *tmppkey;
! 681: X509V3_CTX ext_ctx;
! 682: if ((x509ss = X509_new()) == NULL)
! 683: goto end;
! 684:
! 685: /* Set version to V3 */
! 686: if (extensions && !X509_set_version(x509ss, 2))
! 687: goto end;
! 688: if (serial) {
! 689: if (!X509_set_serialNumber(x509ss, serial))
! 690: goto end;
! 691: } else {
! 692: if (!rand_serial(NULL,
! 693: X509_get_serialNumber(x509ss)))
! 694: goto end;
! 695: }
! 696:
! 697: if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
! 698: goto end;
! 699: if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
! 700: goto end;
! 701: if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL))
! 702: goto end;
! 703: if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req)))
! 704: goto end;
! 705: tmppkey = X509_REQ_get_pubkey(req);
! 706: if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
! 707: goto end;
! 708: EVP_PKEY_free(tmppkey);
! 709:
! 710: /* Set up V3 context struct */
! 711:
! 712: X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
! 713: X509V3_set_nconf(&ext_ctx, req_conf);
! 714:
! 715: /* Add extensions */
! 716: if (extensions && !X509V3_EXT_add_nconf(req_conf,
! 717: &ext_ctx, extensions, x509ss)) {
! 718: BIO_printf(bio_err,
! 719: "Error Loading extension section %s\n",
! 720: extensions);
! 721: goto end;
! 722: }
! 723: i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
! 724: if (!i) {
! 725: ERR_print_errors(bio_err);
! 726: goto end;
! 727: }
! 728: } else {
! 729: X509V3_CTX ext_ctx;
! 730:
! 731: /* Set up V3 context struct */
! 732:
! 733: X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
! 734: X509V3_set_nconf(&ext_ctx, req_conf);
! 735:
! 736: /* Add extensions */
! 737: if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
! 738: &ext_ctx, req_exts, req)) {
! 739: BIO_printf(bio_err,
! 740: "Error Loading extension section %s\n",
! 741: req_exts);
! 742: goto end;
! 743: }
! 744: i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
! 745: if (!i) {
! 746: ERR_print_errors(bio_err);
! 747: goto end;
! 748: }
! 749: }
! 750: }
! 751: if (subj && x509) {
! 752: BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
! 753: goto end;
! 754: }
! 755: if (subj && !x509) {
! 756: if (verbose) {
! 757: BIO_printf(bio_err, "Modifying Request's Subject\n");
! 758: print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
! 759: }
! 760: if (build_subject(req, subj, chtype, multirdn) == 0) {
! 761: BIO_printf(bio_err, "ERROR: cannot modify subject\n");
! 762: ex = 1;
! 763: goto end;
! 764: }
! 765: req->req_info->enc.modified = 1;
! 766:
! 767: if (verbose) {
! 768: print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
! 769: }
! 770: }
! 771: if (verify && !x509) {
! 772: int tmp = 0;
! 773:
! 774: if (pkey == NULL) {
! 775: pkey = X509_REQ_get_pubkey(req);
! 776: tmp = 1;
! 777: if (pkey == NULL)
! 778: goto end;
! 779: }
! 780: i = X509_REQ_verify(req, pkey);
! 781: if (tmp) {
! 782: EVP_PKEY_free(pkey);
! 783: pkey = NULL;
! 784: }
! 785: if (i < 0) {
! 786: goto end;
! 787: } else if (i == 0) {
! 788: BIO_printf(bio_err, "verify failure\n");
! 789: ERR_print_errors(bio_err);
! 790: } else /* if (i > 0) */
! 791: BIO_printf(bio_err, "verify OK\n");
! 792: }
! 793: if (noout && !text && !modulus && !subject && !pubkey) {
! 794: ex = 0;
! 795: goto end;
! 796: }
! 797: if (outfile == NULL) {
! 798: BIO_set_fp(out, stdout, BIO_NOCLOSE);
! 799: } else {
! 800: if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
! 801: i = (int) BIO_append_filename(out, outfile);
! 802: else
! 803: i = (int) BIO_write_filename(out, outfile);
! 804: if (!i) {
! 805: perror(outfile);
! 806: goto end;
! 807: }
! 808: }
! 809:
! 810: if (pubkey) {
! 811: EVP_PKEY *tpubkey;
! 812: tpubkey = X509_REQ_get_pubkey(req);
! 813: if (tpubkey == NULL) {
! 814: BIO_printf(bio_err, "Error getting public key\n");
! 815: ERR_print_errors(bio_err);
! 816: goto end;
! 817: }
! 818: PEM_write_bio_PUBKEY(out, tpubkey);
! 819: EVP_PKEY_free(tpubkey);
! 820: }
! 821: if (text) {
! 822: if (x509)
! 823: X509_print_ex(out, x509ss, nmflag, reqflag);
! 824: else
! 825: X509_REQ_print_ex(out, req, nmflag, reqflag);
! 826: }
! 827: if (subject) {
! 828: if (x509)
! 829: print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
! 830: else
! 831: print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
! 832: }
! 833: if (modulus) {
! 834: EVP_PKEY *tpubkey;
! 835:
! 836: if (x509)
! 837: tpubkey = X509_get_pubkey(x509ss);
! 838: else
! 839: tpubkey = X509_REQ_get_pubkey(req);
! 840: if (tpubkey == NULL) {
! 841: fprintf(stdout, "Modulus=unavailable\n");
! 842: goto end;
! 843: }
! 844: fprintf(stdout, "Modulus=");
! 845: if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
! 846: BN_print(out, tpubkey->pkey.rsa->n);
! 847: else
! 848: fprintf(stdout, "Wrong Algorithm type");
! 849: EVP_PKEY_free(tpubkey);
! 850: fprintf(stdout, "\n");
! 851: }
! 852: if (!noout && !x509) {
! 853: if (outformat == FORMAT_ASN1)
! 854: i = i2d_X509_REQ_bio(out, req);
! 855: else if (outformat == FORMAT_PEM) {
! 856: if (newhdr)
! 857: i = PEM_write_bio_X509_REQ_NEW(out, req);
! 858: else
! 859: i = PEM_write_bio_X509_REQ(out, req);
! 860: } else {
! 861: BIO_printf(bio_err, "bad output format specified for outfile\n");
! 862: goto end;
! 863: }
! 864: if (!i) {
! 865: BIO_printf(bio_err, "unable to write X509 request\n");
! 866: goto end;
! 867: }
! 868: }
! 869: if (!noout && x509 && (x509ss != NULL)) {
! 870: if (outformat == FORMAT_ASN1)
! 871: i = i2d_X509_bio(out, x509ss);
! 872: else if (outformat == FORMAT_PEM)
! 873: i = PEM_write_bio_X509(out, x509ss);
! 874: else {
! 875: BIO_printf(bio_err, "bad output format specified for outfile\n");
! 876: goto end;
! 877: }
! 878: if (!i) {
! 879: BIO_printf(bio_err, "unable to write X509 certificate\n");
! 880: goto end;
! 881: }
! 882: }
! 883: ex = 0;
! 884: end:
! 885: if (ex) {
! 886: ERR_print_errors(bio_err);
! 887: }
! 888: if ((req_conf != NULL) && (req_conf != config))
! 889: NCONF_free(req_conf);
! 890: BIO_free(in);
! 891: BIO_free_all(out);
! 892: EVP_PKEY_free(pkey);
! 893: if (genctx)
! 894: EVP_PKEY_CTX_free(genctx);
! 895: if (pkeyopts)
! 896: sk_OPENSSL_STRING_free(pkeyopts);
! 897: if (sigopts)
! 898: sk_OPENSSL_STRING_free(sigopts);
! 899: #ifndef OPENSSL_NO_ENGINE
! 900: if (gen_eng)
! 901: ENGINE_free(gen_eng);
! 902: #endif
! 903: free(keyalgstr);
! 904: X509_REQ_free(req);
! 905: X509_free(x509ss);
! 906: ASN1_INTEGER_free(serial);
! 907: if (passargin && passin)
! 908: free(passin);
! 909: if (passargout && passout)
! 910: free(passout);
! 911: OBJ_cleanup();
! 912:
! 913: return (ex);
! 914: }
! 915:
! 916: static int
! 917: make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn,
! 918: int attribs, unsigned long chtype)
! 919: {
! 920: int ret = 0, i;
! 921: char no_prompt = 0;
! 922: STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL;
! 923: char *tmp, *dn_sect, *attr_sect;
! 924:
! 925: tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
! 926: if (tmp == NULL)
! 927: ERR_clear_error();
! 928: if ((tmp != NULL) && !strcmp(tmp, "no"))
! 929: no_prompt = 1;
! 930:
! 931: dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
! 932: if (dn_sect == NULL) {
! 933: BIO_printf(bio_err, "unable to find '%s' in config\n",
! 934: DISTINGUISHED_NAME);
! 935: goto err;
! 936: }
! 937: dn_sk = NCONF_get_section(req_conf, dn_sect);
! 938: if (dn_sk == NULL) {
! 939: BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
! 940: goto err;
! 941: }
! 942: attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
! 943: if (attr_sect == NULL) {
! 944: ERR_clear_error();
! 945: attr_sk = NULL;
! 946: } else {
! 947: attr_sk = NCONF_get_section(req_conf, attr_sect);
! 948: if (attr_sk == NULL) {
! 949: BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
! 950: goto err;
! 951: }
! 952: }
! 953:
! 954: /* setup version number */
! 955: if (!X509_REQ_set_version(req, 0L))
! 956: goto err; /* version 1 */
! 957:
! 958: if (no_prompt)
! 959: i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
! 960: else {
! 961: if (subj)
! 962: i = build_subject(req, subj, chtype, multirdn);
! 963: else
! 964: i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
! 965: }
! 966: if (!i)
! 967: goto err;
! 968:
! 969: if (!X509_REQ_set_pubkey(req, pkey))
! 970: goto err;
! 971:
! 972: ret = 1;
! 973: err:
! 974: return (ret);
! 975: }
! 976:
! 977: /*
! 978: * subject is expected to be in the format /type0=value0/type1=value1/type2=...
! 979: * where characters may be escaped by \
! 980: */
! 981: static int
! 982: build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn)
! 983: {
! 984: X509_NAME *n;
! 985:
! 986: if (!(n = parse_name(subject, chtype, multirdn)))
! 987: return 0;
! 988:
! 989: if (!X509_REQ_set_subject_name(req, n)) {
! 990: X509_NAME_free(n);
! 991: return 0;
! 992: }
! 993: X509_NAME_free(n);
! 994: return 1;
! 995: }
! 996:
! 997:
! 998: static int
! 999: prompt_info(X509_REQ * req,
! 1000: STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect,
! 1001: STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs,
! 1002: unsigned long chtype)
! 1003: {
! 1004: int i;
! 1005: char *p, *q;
! 1006: char buf[100];
! 1007: int nid, mval;
! 1008: long n_min, n_max;
! 1009: char *type, *value;
! 1010: const char *def;
! 1011: CONF_VALUE *v;
! 1012: X509_NAME *subj;
! 1013: subj = X509_REQ_get_subject_name(req);
! 1014:
! 1015: if (!batch) {
! 1016: BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n");
! 1017: BIO_printf(bio_err, "into your certificate request.\n");
! 1018: BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n");
! 1019: BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n");
! 1020: BIO_printf(bio_err, "For some fields there will be a default value,\n");
! 1021: BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n");
! 1022: BIO_printf(bio_err, "-----\n");
! 1023: }
! 1024: if (sk_CONF_VALUE_num(dn_sk)) {
! 1025: i = -1;
! 1026: start: for (;;) {
! 1027: int ret;
! 1028: i++;
! 1029: if (sk_CONF_VALUE_num(dn_sk) <= i)
! 1030: break;
! 1031:
! 1032: v = sk_CONF_VALUE_value(dn_sk, i);
! 1033: p = q = NULL;
! 1034: type = v->name;
! 1035: if (!check_end(type, "_min") || !check_end(type, "_max") ||
! 1036: !check_end(type, "_default") ||
! 1037: !check_end(type, "_value"))
! 1038: continue;
! 1039: /*
! 1040: * Skip past any leading X. X: X, etc to allow for
! 1041: * multiple instances
! 1042: */
! 1043: for (p = v->name; *p; p++)
! 1044: if ((*p == ':') || (*p == ',') ||
! 1045: (*p == '.')) {
! 1046: p++;
! 1047: if (*p)
! 1048: type = p;
! 1049: break;
! 1050: }
! 1051: if (*type == '+') {
! 1052: mval = -1;
! 1053: type++;
! 1054: } else
! 1055: mval = 0;
! 1056: /* If OBJ not recognised ignore it */
! 1057: if ((nid = OBJ_txt2nid(type)) == NID_undef)
! 1058: goto start;
! 1059: ret = snprintf(buf, sizeof buf, "%s_default", v->name);
! 1060: if (ret == -1 || ret >= sizeof(buf)) {
! 1061: BIO_printf(bio_err, "Name '%s' too long for default\n",
! 1062: v->name);
! 1063: return 0;
! 1064: }
! 1065: if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
! 1066: ERR_clear_error();
! 1067: def = "";
! 1068: }
! 1069: ret = snprintf(buf, sizeof buf, "%s_value", v->name);
! 1070: if (ret == -1 || ret >= sizeof(buf)) {
! 1071: BIO_printf(bio_err, "Name '%s' too long for value\n",
! 1072: v->name);
! 1073: return 0;
! 1074: }
! 1075: if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
! 1076: ERR_clear_error();
! 1077: value = NULL;
! 1078: }
! 1079: ret = snprintf(buf, sizeof buf, "%s_min", v->name);
! 1080: if (ret == -1 || ret >= sizeof(buf)) {
! 1081: BIO_printf(bio_err, "Name '%s' too long for min\n",
! 1082: v->name);
! 1083: return 0;
! 1084: }
! 1085: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
! 1086: ERR_clear_error();
! 1087: n_min = -1;
! 1088: }
! 1089: ret = snprintf(buf, sizeof buf, "%s_max", v->name);
! 1090: if (ret == -1 || ret >= sizeof(buf)) {
! 1091: BIO_printf(bio_err, "Name '%s' too long for max\n",
! 1092: v->name);
! 1093: return 0;
! 1094: }
! 1095: if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
! 1096: ERR_clear_error();
! 1097: n_max = -1;
! 1098: }
! 1099: if (!add_DN_object(subj, v->value, def, value, nid,
! 1100: n_min, n_max, chtype, mval))
! 1101: return 0;
! 1102: }
! 1103: if (X509_NAME_entry_count(subj) == 0) {
! 1104: BIO_printf(bio_err, "error, no objects specified in config file\n");
! 1105: return 0;
! 1106: }
! 1107: if (attribs) {
! 1108: if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) &&
! 1109: (!batch)) {
! 1110: BIO_printf(bio_err,
! 1111: "\nPlease enter the following 'extra' attributes\n");
! 1112: BIO_printf(bio_err,
! 1113: "to be sent with your certificate request\n");
! 1114: }
! 1115: i = -1;
! 1116: start2: for (;;) {
! 1117: int ret;
! 1118: i++;
! 1119: if ((attr_sk == NULL) ||
! 1120: (sk_CONF_VALUE_num(attr_sk) <= i))
! 1121: break;
! 1122:
! 1123: v = sk_CONF_VALUE_value(attr_sk, i);
! 1124: type = v->name;
! 1125: if ((nid = OBJ_txt2nid(type)) == NID_undef)
! 1126: goto start2;
! 1127: ret = snprintf(buf, sizeof buf, "%s_default", type);
! 1128: if (ret == -1 || ret >= sizeof(buf)) {
! 1129: BIO_printf(bio_err, "Name '%s' too long for default\n",
! 1130: v->name);
! 1131: return 0;
! 1132: }
! 1133: if ((def = NCONF_get_string(req_conf, attr_sect, buf))
! 1134: == NULL) {
! 1135: ERR_clear_error();
! 1136: def = "";
! 1137: }
! 1138: ret = snprintf(buf, sizeof buf, "%s_value", type);
! 1139: if (ret == -1 || ret >= sizeof(buf)) {
! 1140: BIO_printf(bio_err, "Name '%s' too long for value\n",
! 1141: v->name);
! 1142: return 0;
! 1143: }
! 1144: if ((value = NCONF_get_string(req_conf, attr_sect, buf))
! 1145: == NULL) {
! 1146: ERR_clear_error();
! 1147: value = NULL;
! 1148: }
! 1149: ret = snprintf(buf, sizeof buf, "%s_min", type);
! 1150: if (ret == -1 || ret >= sizeof(buf)) {
! 1151: BIO_printf(bio_err, "Name '%s' too long for min\n",
! 1152: v->name);
! 1153: return 0;
! 1154: }
! 1155: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
! 1156: ERR_clear_error();
! 1157: n_min = -1;
! 1158: }
! 1159: ret = snprintf(buf, sizeof buf, "%s_max", type);
! 1160: if (ret == -1 || ret >= sizeof(buf)) {
! 1161: BIO_printf(bio_err, "Name '%s' too long for max\n",
! 1162: v->name);
! 1163: return 0;
! 1164: }
! 1165: if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
! 1166: ERR_clear_error();
! 1167: n_max = -1;
! 1168: }
! 1169: if (!add_attribute_object(req,
! 1170: v->value, def, value, nid, n_min, n_max, chtype))
! 1171: return 0;
! 1172: }
! 1173: }
! 1174: } else {
! 1175: BIO_printf(bio_err, "No template, please set one up.\n");
! 1176: return 0;
! 1177: }
! 1178:
! 1179: return 1;
! 1180:
! 1181: }
! 1182:
! 1183: static int
! 1184: auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk,
! 1185: STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype)
! 1186: {
! 1187: int i;
! 1188: char *p, *q;
! 1189: char *type;
! 1190: CONF_VALUE *v;
! 1191: X509_NAME *subj;
! 1192:
! 1193: subj = X509_REQ_get_subject_name(req);
! 1194:
! 1195: for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
! 1196: int mval;
! 1197: v = sk_CONF_VALUE_value(dn_sk, i);
! 1198: p = q = NULL;
! 1199: type = v->name;
! 1200: /*
! 1201: * Skip past any leading X. X: X, etc to allow for multiple
! 1202: * instances
! 1203: */
! 1204: for (p = v->name; *p; p++)
! 1205: if ((*p == ':') || (*p == ',') || (*p == '.')) {
! 1206: p++;
! 1207: if (*p)
! 1208: type = p;
! 1209: break;
! 1210: }
! 1211: if (*p == '+') {
! 1212: p++;
! 1213: mval = -1;
! 1214: } else
! 1215: mval = 0;
! 1216: if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
! 1217: (unsigned char *) v->value, -1, -1, mval))
! 1218: return 0;
! 1219:
! 1220: }
! 1221:
! 1222: if (!X509_NAME_entry_count(subj)) {
! 1223: BIO_printf(bio_err, "error, no objects specified in config file\n");
! 1224: return 0;
! 1225: }
! 1226: if (attribs) {
! 1227: for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
! 1228: v = sk_CONF_VALUE_value(attr_sk, i);
! 1229: if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
! 1230: (unsigned char *) v->value, -1))
! 1231: return 0;
! 1232: }
! 1233: }
! 1234: return 1;
! 1235: }
! 1236:
! 1237:
! 1238: static int
! 1239: add_DN_object(X509_NAME * n, char *text, const char *def, char *value,
! 1240: int nid, int n_min, int n_max, unsigned long chtype, int mval)
! 1241: {
! 1242: int i, ret = 0;
! 1243: char buf[1024];
! 1244: start:
! 1245: if (!batch)
! 1246: BIO_printf(bio_err, "%s [%s]:", text, def);
! 1247: (void) BIO_flush(bio_err);
! 1248: if (value != NULL) {
! 1249: strlcpy(buf, value, sizeof buf);
! 1250: strlcat(buf, "\n", sizeof buf);
! 1251: BIO_printf(bio_err, "%s\n", value);
! 1252: } else {
! 1253: buf[0] = '\0';
! 1254: if (!batch) {
! 1255: if (!fgets(buf, sizeof buf, stdin))
! 1256: return 0;
! 1257: } else {
! 1258: buf[0] = '\n';
! 1259: buf[1] = '\0';
! 1260: }
! 1261: }
! 1262:
! 1263: if (buf[0] == '\0')
! 1264: return (0);
! 1265: else if (buf[0] == '\n') {
! 1266: if ((def == NULL) || (def[0] == '\0'))
! 1267: return (1);
! 1268: strlcpy(buf, def, sizeof buf);
! 1269: strlcat(buf, "\n", sizeof buf);
! 1270: } else if ((buf[0] == '.') && (buf[1] == '\n'))
! 1271: return (1);
! 1272:
! 1273: i = strlen(buf);
! 1274: if (buf[i - 1] != '\n') {
! 1275: BIO_printf(bio_err, "weird input :-(\n");
! 1276: return (0);
! 1277: }
! 1278: buf[--i] = '\0';
! 1279: if (!req_check_len(i, n_min, n_max))
! 1280: goto start;
! 1281: if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
! 1282: (unsigned char *) buf, -1, -1, mval))
! 1283: goto err;
! 1284: ret = 1;
! 1285: err:
! 1286: return (ret);
! 1287: }
! 1288:
! 1289: static int
! 1290: add_attribute_object(X509_REQ * req, char *text, const char *def,
! 1291: char *value, int nid, int n_min,
! 1292: int n_max, unsigned long chtype)
! 1293: {
! 1294: int i;
! 1295: static char buf[1024];
! 1296:
! 1297: start:
! 1298: if (!batch)
! 1299: BIO_printf(bio_err, "%s [%s]:", text, def);
! 1300: (void) BIO_flush(bio_err);
! 1301: if (value != NULL) {
! 1302: strlcpy(buf, value, sizeof buf);
! 1303: strlcat(buf, "\n", sizeof buf);
! 1304: BIO_printf(bio_err, "%s\n", value);
! 1305: } else {
! 1306: buf[0] = '\0';
! 1307: if (!batch) {
! 1308: if (!fgets(buf, sizeof buf, stdin))
! 1309: return 0;
! 1310: } else {
! 1311: buf[0] = '\n';
! 1312: buf[1] = '\0';
! 1313: }
! 1314: }
! 1315:
! 1316: if (buf[0] == '\0')
! 1317: return (0);
! 1318: else if (buf[0] == '\n') {
! 1319: if ((def == NULL) || (def[0] == '\0'))
! 1320: return (1);
! 1321: strlcpy(buf, def, sizeof buf);
! 1322: strlcat(buf, "\n", sizeof buf);
! 1323: } else if ((buf[0] == '.') && (buf[1] == '\n'))
! 1324: return (1);
! 1325:
! 1326: i = strlen(buf);
! 1327: if (buf[i - 1] != '\n') {
! 1328: BIO_printf(bio_err, "weird input :-(\n");
! 1329: return (0);
! 1330: }
! 1331: buf[--i] = '\0';
! 1332: if (!req_check_len(i, n_min, n_max))
! 1333: goto start;
! 1334:
! 1335: if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
! 1336: (unsigned char *) buf, -1)) {
! 1337: BIO_printf(bio_err, "Error adding attribute\n");
! 1338: ERR_print_errors(bio_err);
! 1339: goto err;
! 1340: }
! 1341: return (1);
! 1342: err:
! 1343: return (0);
! 1344: }
! 1345:
! 1346: static int
! 1347: req_check_len(int len, int n_min, int n_max)
! 1348: {
! 1349: if ((n_min > 0) && (len < n_min)) {
! 1350: BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min);
! 1351: return (0);
! 1352: }
! 1353: if ((n_max >= 0) && (len > n_max)) {
! 1354: BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max);
! 1355: return (0);
! 1356: }
! 1357: return (1);
! 1358: }
! 1359:
! 1360: /* Check if the end of a string matches 'end' */
! 1361: static int
! 1362: check_end(const char *str, const char *end)
! 1363: {
! 1364: int elen, slen;
! 1365: const char *tmp;
! 1366: elen = strlen(end);
! 1367: slen = strlen(str);
! 1368: if (elen > slen)
! 1369: return 1;
! 1370: tmp = str + slen - elen;
! 1371: return strcmp(tmp, end);
! 1372: }
! 1373:
! 1374: static EVP_PKEY_CTX *
! 1375: set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type,
! 1376: long *pkeylen, char **palgnam,
! 1377: ENGINE * keygen_engine)
! 1378: {
! 1379: EVP_PKEY_CTX *gctx = NULL;
! 1380: EVP_PKEY *param = NULL;
! 1381: long keylen = -1;
! 1382: BIO *pbio = NULL;
! 1383: const char *paramfile = NULL;
! 1384: const char *errstr;
! 1385:
! 1386: if (gstr == NULL) {
! 1387: *pkey_type = EVP_PKEY_RSA;
! 1388: keylen = *pkeylen;
! 1389: } else if (gstr[0] >= '0' && gstr[0] <= '9') {
! 1390: *pkey_type = EVP_PKEY_RSA;
! 1391: keylen = strtonum(gstr, 0, LONG_MAX, &errstr);
! 1392: if (errstr) {
! 1393: BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr);
! 1394: return NULL;
! 1395: }
! 1396: *pkeylen = keylen;
! 1397: } else if (!strncmp(gstr, "param:", 6))
! 1398: paramfile = gstr + 6;
! 1399: else {
! 1400: const char *p = strchr(gstr, ':');
! 1401: int len;
! 1402: ENGINE *tmpeng;
! 1403: const EVP_PKEY_ASN1_METHOD *ameth;
! 1404:
! 1405: if (p)
! 1406: len = p - gstr;
! 1407: else
! 1408: len = strlen(gstr);
! 1409: /*
! 1410: * The lookup of a the string will cover all engines so keep
! 1411: * a note of the implementation.
! 1412: */
! 1413:
! 1414: ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
! 1415:
! 1416: if (!ameth) {
! 1417: BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
! 1418: return NULL;
! 1419: }
! 1420: EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
! 1421: ameth);
! 1422: #ifndef OPENSSL_NO_ENGINE
! 1423: if (tmpeng)
! 1424: ENGINE_finish(tmpeng);
! 1425: #endif
! 1426: if (*pkey_type == EVP_PKEY_RSA) {
! 1427: if (p) {
! 1428: keylen = strtonum(p + 1, 0, LONG_MAX, &errstr);
! 1429: if (errstr) {
! 1430: BIO_printf(err, "bad algorithm %s: %s\n",
! 1431: p + 1, errstr);
! 1432: return NULL;
! 1433: }
! 1434: *pkeylen = keylen;
! 1435: } else
! 1436: keylen = *pkeylen;
! 1437: } else if (p)
! 1438: paramfile = p + 1;
! 1439: }
! 1440:
! 1441: if (paramfile) {
! 1442: pbio = BIO_new_file(paramfile, "r");
! 1443: if (!pbio) {
! 1444: BIO_printf(err, "Can't open parameter file %s\n",
! 1445: paramfile);
! 1446: return NULL;
! 1447: }
! 1448: param = PEM_read_bio_Parameters(pbio, NULL);
! 1449:
! 1450: if (!param) {
! 1451: X509 *x;
! 1452: (void) BIO_reset(pbio);
! 1453: x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
! 1454: if (x) {
! 1455: param = X509_get_pubkey(x);
! 1456: X509_free(x);
! 1457: }
! 1458: }
! 1459: BIO_free(pbio);
! 1460:
! 1461: if (!param) {
! 1462: BIO_printf(err, "Error reading parameter file %s\n",
! 1463: paramfile);
! 1464: return NULL;
! 1465: }
! 1466: if (*pkey_type == -1)
! 1467: *pkey_type = EVP_PKEY_id(param);
! 1468: else if (*pkey_type != EVP_PKEY_base_id(param)) {
! 1469: BIO_printf(err, "Key Type does not match parameters\n");
! 1470: EVP_PKEY_free(param);
! 1471: return NULL;
! 1472: }
! 1473: }
! 1474: if (palgnam) {
! 1475: const EVP_PKEY_ASN1_METHOD *ameth;
! 1476: ENGINE *tmpeng;
! 1477: const char *anam;
! 1478: ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
! 1479: if (!ameth) {
! 1480: BIO_puts(err, "Internal error: can't find key algorithm\n");
! 1481: return NULL;
! 1482: }
! 1483: EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
! 1484: *palgnam = BUF_strdup(anam);
! 1485: #ifndef OPENSSL_NO_ENGINE
! 1486: if (tmpeng)
! 1487: ENGINE_finish(tmpeng);
! 1488: #endif
! 1489: }
! 1490: if (param) {
! 1491: gctx = EVP_PKEY_CTX_new(param, keygen_engine);
! 1492: *pkeylen = EVP_PKEY_bits(param);
! 1493: EVP_PKEY_free(param);
! 1494: } else
! 1495: gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
! 1496:
! 1497: if (!gctx) {
! 1498: BIO_puts(err, "Error allocating keygen context\n");
! 1499: ERR_print_errors(err);
! 1500: return NULL;
! 1501: }
! 1502: if (EVP_PKEY_keygen_init(gctx) <= 0) {
! 1503: BIO_puts(err, "Error initializing keygen context\n");
! 1504: ERR_print_errors(err);
! 1505: return NULL;
! 1506: }
! 1507: if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
! 1508: if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
! 1509: BIO_puts(err, "Error setting RSA keysize\n");
! 1510: ERR_print_errors(err);
! 1511: EVP_PKEY_CTX_free(gctx);
! 1512: return NULL;
! 1513: }
! 1514: }
! 1515:
! 1516: return gctx;
! 1517: }
! 1518:
! 1519: static int
! 1520: genpkey_cb(EVP_PKEY_CTX * ctx)
! 1521: {
! 1522: char c = '*';
! 1523: BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
! 1524: int p;
! 1525: p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
! 1526: if (p == 0)
! 1527: c = '.';
! 1528: if (p == 1)
! 1529: c = '+';
! 1530: if (p == 2)
! 1531: c = '*';
! 1532: if (p == 3)
! 1533: c = '\n';
! 1534: BIO_write(b, &c, 1);
! 1535: (void) BIO_flush(b);
! 1536: return 1;
! 1537: }
! 1538:
! 1539: static int
! 1540: do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey,
! 1541: const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts)
! 1542: {
! 1543: EVP_PKEY_CTX *pkctx = NULL;
! 1544: int i;
! 1545: EVP_MD_CTX_init(ctx);
! 1546: if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
! 1547: return 0;
! 1548: for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
! 1549: char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
! 1550: if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
! 1551: BIO_printf(err, "parameter error \"%s\"\n", sigopt);
! 1552: ERR_print_errors(bio_err);
! 1553: return 0;
! 1554: }
! 1555: }
! 1556: return 1;
! 1557: }
! 1558:
! 1559: int
! 1560: do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md,
! 1561: STACK_OF(OPENSSL_STRING) * sigopts)
! 1562: {
! 1563: int rv;
! 1564: EVP_MD_CTX mctx;
! 1565: EVP_MD_CTX_init(&mctx);
! 1566: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
! 1567: if (rv > 0)
! 1568: rv = X509_sign_ctx(x, &mctx);
! 1569: EVP_MD_CTX_cleanup(&mctx);
! 1570: return rv > 0 ? 1 : 0;
! 1571: }
! 1572:
! 1573:
! 1574: int
! 1575: do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md,
! 1576: STACK_OF(OPENSSL_STRING) * sigopts)
! 1577: {
! 1578: int rv;
! 1579: EVP_MD_CTX mctx;
! 1580: EVP_MD_CTX_init(&mctx);
! 1581: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
! 1582: if (rv > 0)
! 1583: rv = X509_REQ_sign_ctx(x, &mctx);
! 1584: EVP_MD_CTX_cleanup(&mctx);
! 1585: return rv > 0 ? 1 : 0;
! 1586: }
! 1587:
! 1588:
! 1589:
! 1590: int
! 1591: do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md,
! 1592: STACK_OF(OPENSSL_STRING) * sigopts)
! 1593: {
! 1594: int rv;
! 1595: EVP_MD_CTX mctx;
! 1596: EVP_MD_CTX_init(&mctx);
! 1597: rv = do_sign_init(err, &mctx, pkey, md, sigopts);
! 1598: if (rv > 0)
! 1599: rv = X509_CRL_sign_ctx(x, &mctx);
! 1600: EVP_MD_CTX_cleanup(&mctx);
! 1601: return rv > 0 ? 1 : 0;
! 1602: }