/* apps/spkac.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. Based on an original idea by Massimiliano Pala * (madwolf@openca.org). */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. * * 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 above 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 acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED 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 OpenSSL PROJECT OR * ITS 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. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <time.h> #include "apps.h" #include <openssl/bio.h> #include <openssl/conf.h> #include <openssl/err.h> #include <openssl/evp.h> #include <openssl/lhash.h> #include <openssl/x509.h> #include <openssl/pem.h> #undef PROG #define PROG spkac_main /* -in arg - input file - default stdin * -out arg - output file - default stdout */ int MAIN(int, char **); int MAIN(int argc, char **argv) { ENGINE *e = NULL; int i,badops=0, ret = 1; BIO *in = NULL,*out = NULL; int verify=0,noout=0,pubkey=0; char *infile = NULL,*outfile = NULL,*prog; char *passargin = NULL, *passin = NULL; const char *spkac = "SPKAC", *spksect = "default"; char *spkstr = NULL; char *challenge = NULL, *keyfile = NULL; CONF *conf = NULL; NETSCAPE_SPKI *spki = NULL; EVP_PKEY *pkey = NULL; #ifndef OPENSSL_NO_ENGINE char *engine=NULL; #endif apps_startup(); if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); if (!load_config(bio_err, NULL)) goto end; prog=argv[0]; argc--; argv++; while (argc >= 1) { if (strcmp(*argv,"-in") == 0) { if (--argc < 1) goto bad; infile= *(++argv); } else if (strcmp(*argv,"-out") == 0) { if (--argc < 1) goto bad; outfile= *(++argv); } else if (strcmp(*argv,"-passin") == 0) { if (--argc < 1) goto bad; passargin= *(++argv); } else if (strcmp(*argv,"-key") == 0) { if (--argc < 1) goto bad; keyfile= *(++argv); } else if (strcmp(*argv,"-challenge") == 0) { if (--argc < 1) goto bad; challenge= *(++argv); } else if (strcmp(*argv,"-spkac") == 0) { if (--argc < 1) goto bad; spkac= *(++argv); } else if (strcmp(*argv,"-spksect") == 0) { if (--argc < 1) goto bad; spksect= *(++argv); } #ifndef OPENSSL_NO_ENGINE else if (strcmp(*argv,"-engine") == 0) { if (--argc < 1) goto bad; engine= *(++argv); } #endif else if (strcmp(*argv,"-noout") == 0) noout=1; else if (strcmp(*argv,"-pubkey") == 0) pubkey=1; else if (strcmp(*argv,"-verify") == 0) verify=1; else badops = 1; argc--; argv++; } if (badops) { bad: BIO_printf(bio_err,"%s [options]\n",prog); BIO_printf(bio_err,"where options are\n"); BIO_printf(bio_err," -in arg input file\n"); BIO_printf(bio_err," -out arg output file\n"); BIO_printf(bio_err," -key arg create SPKAC using private key\n"); BIO_printf(bio_err," -passin arg input file pass phrase source\n"); BIO_printf(bio_err," -challenge arg challenge string\n"); BIO_printf(bio_err," -spkac arg alternative SPKAC name\n"); BIO_printf(bio_err," -noout don't print SPKAC\n"); BIO_printf(bio_err," -pubkey output public key\n"); BIO_printf(bio_err," -verify verify SPKAC signature\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); #endif goto end; } ERR_load_crypto_strings(); if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { BIO_printf(bio_err, "Error getting password\n"); goto end; } #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine, 0); #endif if(keyfile) { pkey = load_key(bio_err, strcmp(keyfile, "-") ? keyfile : NULL, FORMAT_PEM, 1, passin, e, "private key"); if(!pkey) { goto end; } spki = NETSCAPE_SPKI_new(); if(challenge) ASN1_STRING_set(spki->spkac->challenge, challenge, (int)strlen(challenge)); NETSCAPE_SPKI_set_pubkey(spki, pkey); NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); spkstr = NETSCAPE_SPKI_b64_encode(spki); if (outfile) out = BIO_new_file(outfile, "w"); else { out = BIO_new_fp(stdout, BIO_NOCLOSE); #ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); out = BIO_push(tmpbio, out); } #endif } if(!out) { BIO_printf(bio_err, "Error opening output file\n"); ERR_print_errors(bio_err); goto end; } BIO_printf(out, "SPKAC=%s\n", spkstr); OPENSSL_free(spkstr); ret = 0; goto end; } if (infile) in = BIO_new_file(infile, "r"); else in = BIO_new_fp(stdin, BIO_NOCLOSE); if(!in) { BIO_printf(bio_err, "Error opening input file\n"); ERR_print_errors(bio_err); goto end; } conf = NCONF_new(NULL); i = NCONF_load_bio(conf, in, NULL); if(!i) { BIO_printf(bio_err, "Error parsing config file\n"); ERR_print_errors(bio_err); goto end; } spkstr = NCONF_get_string(conf, spksect, spkac); if(!spkstr) { BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac); ERR_print_errors(bio_err); goto end; } spki = NETSCAPE_SPKI_b64_decode(spkstr, -1); if(!spki) { BIO_printf(bio_err, "Error loading SPKAC\n"); ERR_print_errors(bio_err); goto end; } if (outfile) out = BIO_new_file(outfile, "w"); else { out = BIO_new_fp(stdout, BIO_NOCLOSE); #ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); out = BIO_push(tmpbio, out); } #endif } if(!out) { BIO_printf(bio_err, "Error opening output file\n"); ERR_print_errors(bio_err); goto end; } if(!noout) NETSCAPE_SPKI_print(out, spki); pkey = NETSCAPE_SPKI_get_pubkey(spki); if(verify) { i = NETSCAPE_SPKI_verify(spki, pkey); if(i) BIO_printf(bio_err, "Signature OK\n"); else { BIO_printf(bio_err, "Signature Failure\n"); ERR_print_errors(bio_err); goto end; } } if(pubkey) PEM_write_bio_PUBKEY(out, pkey); ret = 0; end: NCONF_free(conf); NETSCAPE_SPKI_free(spki); BIO_free(in); BIO_free_all(out); EVP_PKEY_free(pkey); if(passin) OPENSSL_free(passin); apps_shutdown(); OPENSSL_EXIT(ret); }