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 int i,badops=0, ret = 1; 85 BIO *in = NULL,*out = NULL, *key = NULL; 86 int verify=0,noout=0,pubkey=0; 87 char *infile = NULL,*outfile = NULL,*prog; 88 char *passargin = NULL, *passin = NULL; 89 char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL; 90 char *challenge = NULL, *keyfile = NULL; 91 LHASH *conf = NULL; 92 NETSCAPE_SPKI *spki = NULL; 93 EVP_PKEY *pkey = NULL; 94 95 apps_startup(); 96 97 if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 98 99 prog=argv[0]; 100 argc--; 101 argv++; 102 while (argc >= 1) 103 { 104 if (strcmp(*argv,"-in") == 0) 105 { 106 if (--argc < 1) goto bad; 107 infile= *(++argv); 108 } 109 else if (strcmp(*argv,"-out") == 0) 110 { 111 if (--argc < 1) goto bad; 112 outfile= *(++argv); 113 } 114 else if (strcmp(*argv,"-passin") == 0) 115 { 116 if (--argc < 1) goto bad; 117 passargin= *(++argv); 118 } 119 else if (strcmp(*argv,"-key") == 0) 120 { 121 if (--argc < 1) goto bad; 122 keyfile= *(++argv); 123 } 124 else if (strcmp(*argv,"-challenge") == 0) 125 { 126 if (--argc < 1) goto bad; 127 challenge= *(++argv); 128 } 129 else if (strcmp(*argv,"-spkac") == 0) 130 { 131 if (--argc < 1) goto bad; 132 spkac= *(++argv); 133 } 134 else if (strcmp(*argv,"-spksect") == 0) 135 { 136 if (--argc < 1) goto bad; 137 spksect= *(++argv); 138 } 139 else if (strcmp(*argv,"-noout") == 0) 140 noout=1; 141 else if (strcmp(*argv,"-pubkey") == 0) 142 pubkey=1; 143 else if (strcmp(*argv,"-verify") == 0) 144 verify=1; 145 else badops = 1; 146 argc--; 147 argv++; 148 } 149 150 if (badops) 151 { 152 bad: 153 BIO_printf(bio_err,"%s [options]\n",prog); 154 BIO_printf(bio_err,"where options are\n"); 155 BIO_printf(bio_err," -in arg input file\n"); 156 BIO_printf(bio_err," -out arg output file\n"); 157 BIO_printf(bio_err," -key arg create SPKAC using private key\n"); 158 BIO_printf(bio_err," -passin arg input file pass phrase source\n"); 159 BIO_printf(bio_err," -challenge arg challenge string\n"); 160 BIO_printf(bio_err," -spkac arg alternative SPKAC name\n"); 161 BIO_printf(bio_err," -noout don't print SPKAC\n"); 162 BIO_printf(bio_err," -pubkey output public key\n"); 163 BIO_printf(bio_err," -verify verify SPKAC signature\n"); 164 goto end; 165 } 166 167 ERR_load_crypto_strings(); 168 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 169 BIO_printf(bio_err, "Error getting password\n"); 170 goto end; 171 } 172 173 if(keyfile) { 174 if(strcmp(keyfile, "-")) key = BIO_new_file(keyfile, "r"); 175 else key = BIO_new_fp(stdin, BIO_NOCLOSE); 176 if(!key) { 177 BIO_printf(bio_err, "Error opening key file\n"); 178 ERR_print_errors(bio_err); 179 goto end; 180 } 181 pkey = PEM_read_bio_PrivateKey(key, NULL, NULL, passin); 182 if(!pkey) { 183 BIO_printf(bio_err, "Error reading private key\n"); 184 ERR_print_errors(bio_err); 185 goto end; 186 } 187 spki = NETSCAPE_SPKI_new(); 188 if(challenge) ASN1_STRING_set(spki->spkac->challenge, 189 challenge, strlen(challenge)); 190 NETSCAPE_SPKI_set_pubkey(spki, pkey); 191 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); 192 spkstr = NETSCAPE_SPKI_b64_encode(spki); 193 194 if (outfile) out = BIO_new_file(outfile, "w"); 195 else { 196 out = BIO_new_fp(stdout, BIO_NOCLOSE); 197 #ifdef VMS 198 { 199 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 200 out = BIO_push(tmpbio, out); 201 } 202 #endif 203 } 204 205 if(!out) { 206 BIO_printf(bio_err, "Error opening output file\n"); 207 ERR_print_errors(bio_err); 208 goto end; 209 } 210 BIO_printf(out, "SPKAC=%s\n", spkstr); 211 OPENSSL_free(spkstr); 212 ret = 0; 213 goto end; 214 } 215 216 217 218 if (infile) in = BIO_new_file(infile, "r"); 219 else in = BIO_new_fp(stdin, BIO_NOCLOSE); 220 221 if(!in) { 222 BIO_printf(bio_err, "Error opening input file\n"); 223 ERR_print_errors(bio_err); 224 goto end; 225 } 226 227 conf = CONF_load_bio(NULL, in, NULL); 228 229 if(!conf) { 230 BIO_printf(bio_err, "Error parsing config file\n"); 231 ERR_print_errors(bio_err); 232 goto end; 233 } 234 235 spkstr = CONF_get_string(conf, spksect, spkac); 236 237 if(!spkstr) { 238 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac); 239 ERR_print_errors(bio_err); 240 goto end; 241 } 242 243 spki = NETSCAPE_SPKI_b64_decode(spkstr, -1); 244 245 if(!spki) { 246 BIO_printf(bio_err, "Error loading SPKAC\n"); 247 ERR_print_errors(bio_err); 248 goto end; 249 } 250 251 if (outfile) out = BIO_new_file(outfile, "w"); 252 else { 253 out = BIO_new_fp(stdout, BIO_NOCLOSE); 254 #ifdef VMS 255 { 256 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 257 out = BIO_push(tmpbio, out); 258 } 259 #endif 260 } 261 262 if(!out) { 263 BIO_printf(bio_err, "Error opening output file\n"); 264 ERR_print_errors(bio_err); 265 goto end; 266 } 267 268 if(!noout) NETSCAPE_SPKI_print(out, spki); 269 pkey = NETSCAPE_SPKI_get_pubkey(spki); 270 if(verify) { 271 i = NETSCAPE_SPKI_verify(spki, pkey); 272 if(i) BIO_printf(bio_err, "Signature OK\n"); 273 else { 274 BIO_printf(bio_err, "Signature Failure\n"); 275 ERR_print_errors(bio_err); 276 goto end; 277 } 278 } 279 if(pubkey) PEM_write_bio_PUBKEY(out, pkey); 280 281 ret = 0; 282 283 end: 284 CONF_free(conf); 285 NETSCAPE_SPKI_free(spki); 286 BIO_free(in); 287 BIO_free_all(out); 288 BIO_free(key); 289 EVP_PKEY_free(pkey); 290 if(passin) OPENSSL_free(passin); 291 EXIT(ret); 292 } 293