1/* apps/spkac.c */ 2 3/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 4 * project 1999. Based on an original idea by Massimiliano Pala 5 * (madwolf@openca.org). 6 */ 7/* ==================================================================== 8 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in 19 * the documentation and/or other materials provided with the 20 * distribution. 21 * 22 * 3. All advertising materials mentioning features or use of this 23 * software must display the following acknowledgment: 24 * "This product includes software developed by the OpenSSL Project 25 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 26 * 27 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 28 * endorse or promote products derived from this software without 29 * prior written permission. For written permission, please contact 30 * licensing@OpenSSL.org. 31 * 32 * 5. Products derived from this software may not be called "OpenSSL" 33 * nor may "OpenSSL" appear in their names without prior written 34 * permission of the OpenSSL Project. 35 * 36 * 6. Redistributions of any form whatsoever must retain the following 37 * acknowledgment: 38 * "This product includes software developed by the OpenSSL Project 39 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 42 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 44 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 50 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 51 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 52 * OF THE POSSIBILITY OF SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This product includes cryptographic software written by Eric Young 56 * (eay@cryptsoft.com). This product includes software written by Tim 57 * Hudson (tjh@cryptsoft.com). 58 * 59 */ 60#include <stdio.h> 61#include <stdlib.h> 62#include <string.h> 63#include <time.h> 64#include "apps.h" 65#include <openssl/bio.h> 66#include <openssl/conf.h> 67#include <openssl/err.h> 68#include <openssl/evp.h> 69#include <openssl/lhash.h> 70#include <openssl/x509.h> 71#include <openssl/pem.h> 72 73#undef PROG 74#define PROG spkac_main 75 76/* -in arg - input file - default stdin 77 * -out arg - output file - default stdout 78 */ 79 80int MAIN(int, char **); 81 82int MAIN(int argc, char **argv) 83 { 84 ENGINE *e = NULL; 85 int i,badops=0, ret = 1; 86 BIO *in = NULL,*out = NULL; 87 int verify=0,noout=0,pubkey=0; 88 char *infile = NULL,*outfile = NULL,*prog; 89 char *passargin = NULL, *passin = NULL; 90 char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL; 91 char *challenge = NULL, *keyfile = NULL; 92 CONF *conf = NULL; 93 NETSCAPE_SPKI *spki = NULL; 94 EVP_PKEY *pkey = NULL; 95#ifndef OPENSSL_NO_ENGINE 96 char *engine=NULL; 97#endif 98 99 apps_startup(); 100 101 if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 102 103 if (!load_config(bio_err, NULL)) 104 goto end; 105 106 prog=argv[0]; 107 argc--; 108 argv++; 109 while (argc >= 1) 110 { 111 if (strcmp(*argv,"-in") == 0) 112 { 113 if (--argc < 1) goto bad; 114 infile= *(++argv); 115 } 116 else if (strcmp(*argv,"-out") == 0) 117 { 118 if (--argc < 1) goto bad; 119 outfile= *(++argv); 120 } 121 else if (strcmp(*argv,"-passin") == 0) 122 { 123 if (--argc < 1) goto bad; 124 passargin= *(++argv); 125 } 126 else if (strcmp(*argv,"-key") == 0) 127 { 128 if (--argc < 1) goto bad; 129 keyfile= *(++argv); 130 } 131 else if (strcmp(*argv,"-challenge") == 0) 132 { 133 if (--argc < 1) goto bad; 134 challenge= *(++argv); 135 } 136 else if (strcmp(*argv,"-spkac") == 0) 137 { 138 if (--argc < 1) goto bad; 139 spkac= *(++argv); 140 } 141 else if (strcmp(*argv,"-spksect") == 0) 142 { 143 if (--argc < 1) goto bad; 144 spksect= *(++argv); 145 } 146#ifndef OPENSSL_NO_ENGINE 147 else if (strcmp(*argv,"-engine") == 0) 148 { 149 if (--argc < 1) goto bad; 150 engine= *(++argv); 151 } 152#endif 153 else if (strcmp(*argv,"-noout") == 0) 154 noout=1; 155 else if (strcmp(*argv,"-pubkey") == 0) 156 pubkey=1; 157 else if (strcmp(*argv,"-verify") == 0) 158 verify=1; 159 else badops = 1; 160 argc--; 161 argv++; 162 } 163 164 if (badops) 165 { 166bad: 167 BIO_printf(bio_err,"%s [options]\n",prog); 168 BIO_printf(bio_err,"where options are\n"); 169 BIO_printf(bio_err," -in arg input file\n"); 170 BIO_printf(bio_err," -out arg output file\n"); 171 BIO_printf(bio_err," -key arg create SPKAC using private key\n"); 172 BIO_printf(bio_err," -passin arg input file pass phrase source\n"); 173 BIO_printf(bio_err," -challenge arg challenge string\n"); 174 BIO_printf(bio_err," -spkac arg alternative SPKAC name\n"); 175 BIO_printf(bio_err," -noout don't print SPKAC\n"); 176 BIO_printf(bio_err," -pubkey output public key\n"); 177 BIO_printf(bio_err," -verify verify SPKAC signature\n"); 178#ifndef OPENSSL_NO_ENGINE 179 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); 180#endif 181 goto end; 182 } 183 184 ERR_load_crypto_strings(); 185 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 186 BIO_printf(bio_err, "Error getting password\n"); 187 goto end; 188 } 189 190#ifndef OPENSSL_NO_ENGINE 191 e = setup_engine(bio_err, engine, 0); 192#endif 193 194 if(keyfile) { 195 pkey = load_key(bio_err, 196 strcmp(keyfile, "-") ? keyfile : NULL, 197 FORMAT_PEM, 1, passin, e, "private key"); 198 if(!pkey) { 199 goto end; 200 } 201 spki = NETSCAPE_SPKI_new(); 202 if(challenge) ASN1_STRING_set(spki->spkac->challenge, 203 challenge, strlen(challenge)); 204 NETSCAPE_SPKI_set_pubkey(spki, pkey); 205 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); 206 spkstr = NETSCAPE_SPKI_b64_encode(spki); 207 208 if (outfile) out = BIO_new_file(outfile, "w"); 209 else { 210 out = BIO_new_fp(stdout, BIO_NOCLOSE); 211#ifdef OPENSSL_SYS_VMS 212 { 213 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 214 out = BIO_push(tmpbio, out); 215 } 216#endif 217 } 218 219 if(!out) { 220 BIO_printf(bio_err, "Error opening output file\n"); 221 ERR_print_errors(bio_err); 222 goto end; 223 } 224 BIO_printf(out, "SPKAC=%s\n", spkstr); 225 OPENSSL_free(spkstr); 226 ret = 0; 227 goto end; 228 } 229 230 231 232 if (infile) in = BIO_new_file(infile, "r"); 233 else in = BIO_new_fp(stdin, BIO_NOCLOSE); 234 235 if(!in) { 236 BIO_printf(bio_err, "Error opening input file\n"); 237 ERR_print_errors(bio_err); 238 goto end; 239 } 240 241 conf = NCONF_new(NULL); 242 i = NCONF_load_bio(conf, in, NULL); 243 244 if(!i) { 245 BIO_printf(bio_err, "Error parsing config file\n"); 246 ERR_print_errors(bio_err); 247 goto end; 248 } 249 250 spkstr = NCONF_get_string(conf, spksect, spkac); 251 252 if(!spkstr) { 253 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac); 254 ERR_print_errors(bio_err); 255 goto end; 256 } 257 258 spki = NETSCAPE_SPKI_b64_decode(spkstr, -1); 259 260 if(!spki) { 261 BIO_printf(bio_err, "Error loading SPKAC\n"); 262 ERR_print_errors(bio_err); 263 goto end; 264 } 265 266 if (outfile) out = BIO_new_file(outfile, "w"); 267 else { 268 out = BIO_new_fp(stdout, BIO_NOCLOSE); 269#ifdef OPENSSL_SYS_VMS 270 { 271 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 272 out = BIO_push(tmpbio, out); 273 } 274#endif 275 } 276 277 if(!out) { 278 BIO_printf(bio_err, "Error opening output file\n"); 279 ERR_print_errors(bio_err); 280 goto end; 281 } 282 283 if(!noout) NETSCAPE_SPKI_print(out, spki); 284 pkey = NETSCAPE_SPKI_get_pubkey(spki); 285 if(verify) { 286 i = NETSCAPE_SPKI_verify(spki, pkey); 287 if(i) BIO_printf(bio_err, "Signature OK\n"); 288 else { 289 BIO_printf(bio_err, "Signature Failure\n"); 290 ERR_print_errors(bio_err); 291 goto end; 292 } 293 } 294 if(pubkey) PEM_write_bio_PUBKEY(out, pkey); 295 296 ret = 0; 297 298end: 299 NCONF_free(conf); 300 NETSCAPE_SPKI_free(spki); 301 BIO_free(in); 302 BIO_free_all(out); 303 EVP_PKEY_free(pkey); 304 if(passin) OPENSSL_free(passin); 305 apps_shutdown(); 306 OPENSSL_EXIT(ret); 307 } 308