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 80 int MAIN(int, char **); 81 82 int 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 char *engine=NULL; 96 97 apps_startup(); 98 99 if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 100 101 if (!load_config(bio_err, NULL)) 102 goto end; 103 104 prog=argv[0]; 105 argc--; 106 argv++; 107 while (argc >= 1) 108 { 109 if (strcmp(*argv,"-in") == 0) 110 { 111 if (--argc < 1) goto bad; 112 infile= *(++argv); 113 } 114 else if (strcmp(*argv,"-out") == 0) 115 { 116 if (--argc < 1) goto bad; 117 outfile= *(++argv); 118 } 119 else if (strcmp(*argv,"-passin") == 0) 120 { 121 if (--argc < 1) goto bad; 122 passargin= *(++argv); 123 } 124 else if (strcmp(*argv,"-key") == 0) 125 { 126 if (--argc < 1) goto bad; 127 keyfile= *(++argv); 128 } 129 else if (strcmp(*argv,"-challenge") == 0) 130 { 131 if (--argc < 1) goto bad; 132 challenge= *(++argv); 133 } 134 else if (strcmp(*argv,"-spkac") == 0) 135 { 136 if (--argc < 1) goto bad; 137 spkac= *(++argv); 138 } 139 else if (strcmp(*argv,"-spksect") == 0) 140 { 141 if (--argc < 1) goto bad; 142 spksect= *(++argv); 143 } 144 else if (strcmp(*argv,"-engine") == 0) 145 { 146 if (--argc < 1) goto bad; 147 engine= *(++argv); 148 } 149 else if (strcmp(*argv,"-noout") == 0) 150 noout=1; 151 else if (strcmp(*argv,"-pubkey") == 0) 152 pubkey=1; 153 else if (strcmp(*argv,"-verify") == 0) 154 verify=1; 155 else badops = 1; 156 argc--; 157 argv++; 158 } 159 160 if (badops) 161 { 162 bad: 163 BIO_printf(bio_err,"%s [options]\n",prog); 164 BIO_printf(bio_err,"where options are\n"); 165 BIO_printf(bio_err," -in arg input file\n"); 166 BIO_printf(bio_err," -out arg output file\n"); 167 BIO_printf(bio_err," -key arg create SPKAC using private key\n"); 168 BIO_printf(bio_err," -passin arg input file pass phrase source\n"); 169 BIO_printf(bio_err," -challenge arg challenge string\n"); 170 BIO_printf(bio_err," -spkac arg alternative SPKAC name\n"); 171 BIO_printf(bio_err," -noout don't print SPKAC\n"); 172 BIO_printf(bio_err," -pubkey output public key\n"); 173 BIO_printf(bio_err," -verify verify SPKAC signature\n"); 174 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); 175 goto end; 176 } 177 178 ERR_load_crypto_strings(); 179 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 180 BIO_printf(bio_err, "Error getting password\n"); 181 goto end; 182 } 183 184 e = setup_engine(bio_err, engine, 0); 185 186 if(keyfile) { 187 pkey = load_key(bio_err, 188 strcmp(keyfile, "-") ? keyfile : NULL, 189 FORMAT_PEM, 1, passin, e, "private key"); 190 if(!pkey) { 191 goto end; 192 } 193 spki = NETSCAPE_SPKI_new(); 194 if(challenge) ASN1_STRING_set(spki->spkac->challenge, 195 challenge, strlen(challenge)); 196 NETSCAPE_SPKI_set_pubkey(spki, pkey); 197 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); 198 spkstr = NETSCAPE_SPKI_b64_encode(spki); 199 200 if (outfile) out = BIO_new_file(outfile, "w"); 201 else { 202 out = BIO_new_fp(stdout, BIO_NOCLOSE); 203 #ifdef OPENSSL_SYS_VMS 204 { 205 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 206 out = BIO_push(tmpbio, out); 207 } 208 #endif 209 } 210 211 if(!out) { 212 BIO_printf(bio_err, "Error opening output file\n"); 213 ERR_print_errors(bio_err); 214 goto end; 215 } 216 BIO_printf(out, "SPKAC=%s\n", spkstr); 217 OPENSSL_free(spkstr); 218 ret = 0; 219 goto end; 220 } 221 222 223 224 if (infile) in = BIO_new_file(infile, "r"); 225 else in = BIO_new_fp(stdin, BIO_NOCLOSE); 226 227 if(!in) { 228 BIO_printf(bio_err, "Error opening input file\n"); 229 ERR_print_errors(bio_err); 230 goto end; 231 } 232 233 conf = NCONF_new(NULL); 234 i = NCONF_load_bio(conf, in, NULL); 235 236 if(!i) { 237 BIO_printf(bio_err, "Error parsing config file\n"); 238 ERR_print_errors(bio_err); 239 goto end; 240 } 241 242 spkstr = NCONF_get_string(conf, spksect, spkac); 243 244 if(!spkstr) { 245 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac); 246 ERR_print_errors(bio_err); 247 goto end; 248 } 249 250 spki = NETSCAPE_SPKI_b64_decode(spkstr, -1); 251 252 if(!spki) { 253 BIO_printf(bio_err, "Error loading SPKAC\n"); 254 ERR_print_errors(bio_err); 255 goto end; 256 } 257 258 if (outfile) out = BIO_new_file(outfile, "w"); 259 else { 260 out = BIO_new_fp(stdout, BIO_NOCLOSE); 261 #ifdef OPENSSL_SYS_VMS 262 { 263 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 264 out = BIO_push(tmpbio, out); 265 } 266 #endif 267 } 268 269 if(!out) { 270 BIO_printf(bio_err, "Error opening output file\n"); 271 ERR_print_errors(bio_err); 272 goto end; 273 } 274 275 if(!noout) NETSCAPE_SPKI_print(out, spki); 276 pkey = NETSCAPE_SPKI_get_pubkey(spki); 277 if(verify) { 278 i = NETSCAPE_SPKI_verify(spki, pkey); 279 if(i) BIO_printf(bio_err, "Signature OK\n"); 280 else { 281 BIO_printf(bio_err, "Signature Failure\n"); 282 ERR_print_errors(bio_err); 283 goto end; 284 } 285 } 286 if(pubkey) PEM_write_bio_PUBKEY(out, pkey); 287 288 ret = 0; 289 290 end: 291 NCONF_free(conf); 292 NETSCAPE_SPKI_free(spki); 293 BIO_free(in); 294 BIO_free_all(out); 295 EVP_PKEY_free(pkey); 296 if(passin) OPENSSL_free(passin); 297 apps_shutdown(); 298 OPENSSL_EXIT(ret); 299 } 300