1 /* apps/pkcs7.c */ 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 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #include <time.h> 63 #include "apps.h" 64 #include <openssl/err.h> 65 #include <openssl/objects.h> 66 #include <openssl/evp.h> 67 #include <openssl/x509.h> 68 #include <openssl/pkcs7.h> 69 #include <openssl/pem.h> 70 71 #undef PROG 72 #define PROG pkcs7_main 73 74 /*- 75 * -inform arg - input format - default PEM (DER or PEM) 76 * -outform arg - output format - default PEM 77 * -in arg - input file - default stdin 78 * -out arg - output file - default stdout 79 * -print_certs 80 */ 81 82 int MAIN(int, char **); 83 84 int MAIN(int argc, char **argv) 85 { 86 PKCS7 *p7 = NULL; 87 int i, badops = 0; 88 BIO *in = NULL, *out = NULL; 89 int informat, outformat; 90 char *infile, *outfile, *prog; 91 int print_certs = 0, text = 0, noout = 0, p7_print = 0; 92 int ret = 1; 93 #ifndef OPENSSL_NO_ENGINE 94 char *engine = NULL; 95 #endif 96 97 apps_startup(); 98 99 if (bio_err == NULL) 100 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 101 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 102 103 if (!load_config(bio_err, NULL)) 104 goto end; 105 106 infile = NULL; 107 outfile = NULL; 108 informat = FORMAT_PEM; 109 outformat = FORMAT_PEM; 110 111 prog = argv[0]; 112 argc--; 113 argv++; 114 while (argc >= 1) { 115 if (strcmp(*argv, "-inform") == 0) { 116 if (--argc < 1) 117 goto bad; 118 informat = str2fmt(*(++argv)); 119 } else if (strcmp(*argv, "-outform") == 0) { 120 if (--argc < 1) 121 goto bad; 122 outformat = str2fmt(*(++argv)); 123 } else if (strcmp(*argv, "-in") == 0) { 124 if (--argc < 1) 125 goto bad; 126 infile = *(++argv); 127 } else if (strcmp(*argv, "-out") == 0) { 128 if (--argc < 1) 129 goto bad; 130 outfile = *(++argv); 131 } else if (strcmp(*argv, "-noout") == 0) 132 noout = 1; 133 else if (strcmp(*argv, "-text") == 0) 134 text = 1; 135 else if (strcmp(*argv, "-print") == 0) 136 p7_print = 1; 137 else if (strcmp(*argv, "-print_certs") == 0) 138 print_certs = 1; 139 #ifndef OPENSSL_NO_ENGINE 140 else if (strcmp(*argv, "-engine") == 0) { 141 if (--argc < 1) 142 goto bad; 143 engine = *(++argv); 144 } 145 #endif 146 else { 147 BIO_printf(bio_err, "unknown option %s\n", *argv); 148 badops = 1; 149 break; 150 } 151 argc--; 152 argv++; 153 } 154 155 if (badops) { 156 bad: 157 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 158 BIO_printf(bio_err, "where options are\n"); 159 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 160 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 161 BIO_printf(bio_err, " -in arg input file\n"); 162 BIO_printf(bio_err, " -out arg output file\n"); 163 BIO_printf(bio_err, 164 " -print_certs print any certs or crl in the input\n"); 165 BIO_printf(bio_err, 166 " -text print full details of certificates\n"); 167 BIO_printf(bio_err, " -noout don't output encoded data\n"); 168 #ifndef OPENSSL_NO_ENGINE 169 BIO_printf(bio_err, 170 " -engine e use engine e, possibly a hardware device.\n"); 171 #endif 172 ret = 1; 173 goto end; 174 } 175 176 ERR_load_crypto_strings(); 177 178 #ifndef OPENSSL_NO_ENGINE 179 setup_engine(bio_err, engine, 0); 180 #endif 181 182 in = BIO_new(BIO_s_file()); 183 out = BIO_new(BIO_s_file()); 184 if ((in == NULL) || (out == NULL)) { 185 ERR_print_errors(bio_err); 186 goto end; 187 } 188 189 if (infile == NULL) 190 BIO_set_fp(in, stdin, BIO_NOCLOSE); 191 else { 192 if (BIO_read_filename(in, infile) <= 0) { 193 BIO_printf(bio_err, "unable to load input file\n"); 194 ERR_print_errors(bio_err); 195 goto end; 196 } 197 } 198 199 if (informat == FORMAT_ASN1) 200 p7 = d2i_PKCS7_bio(in, NULL); 201 else if (informat == FORMAT_PEM) 202 p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); 203 else { 204 BIO_printf(bio_err, "bad input format specified for pkcs7 object\n"); 205 goto end; 206 } 207 if (p7 == NULL) { 208 BIO_printf(bio_err, "unable to load PKCS7 object\n"); 209 ERR_print_errors(bio_err); 210 goto end; 211 } 212 213 if (outfile == NULL) { 214 BIO_set_fp(out, stdout, BIO_NOCLOSE); 215 #ifdef OPENSSL_SYS_VMS 216 { 217 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 218 out = BIO_push(tmpbio, out); 219 } 220 #endif 221 } else { 222 if (BIO_write_filename(out, outfile) <= 0) { 223 perror(outfile); 224 goto end; 225 } 226 } 227 228 if (p7_print) 229 PKCS7_print_ctx(out, p7, 0, NULL); 230 231 if (print_certs) { 232 STACK_OF(X509) *certs = NULL; 233 STACK_OF(X509_CRL) *crls = NULL; 234 235 i = OBJ_obj2nid(p7->type); 236 switch (i) { 237 case NID_pkcs7_signed: 238 certs = p7->d.sign->cert; 239 crls = p7->d.sign->crl; 240 break; 241 case NID_pkcs7_signedAndEnveloped: 242 certs = p7->d.signed_and_enveloped->cert; 243 crls = p7->d.signed_and_enveloped->crl; 244 break; 245 default: 246 break; 247 } 248 249 if (certs != NULL) { 250 X509 *x; 251 252 for (i = 0; i < sk_X509_num(certs); i++) { 253 x = sk_X509_value(certs, i); 254 if (text) 255 X509_print(out, x); 256 else 257 dump_cert_text(out, x); 258 259 if (!noout) 260 PEM_write_bio_X509(out, x); 261 BIO_puts(out, "\n"); 262 } 263 } 264 if (crls != NULL) { 265 X509_CRL *crl; 266 267 for (i = 0; i < sk_X509_CRL_num(crls); i++) { 268 crl = sk_X509_CRL_value(crls, i); 269 270 X509_CRL_print(out, crl); 271 272 if (!noout) 273 PEM_write_bio_X509_CRL(out, crl); 274 BIO_puts(out, "\n"); 275 } 276 } 277 278 ret = 0; 279 goto end; 280 } 281 282 if (!noout) { 283 if (outformat == FORMAT_ASN1) 284 i = i2d_PKCS7_bio(out, p7); 285 else if (outformat == FORMAT_PEM) 286 i = PEM_write_bio_PKCS7(out, p7); 287 else { 288 BIO_printf(bio_err, "bad output format specified for outfile\n"); 289 goto end; 290 } 291 292 if (!i) { 293 BIO_printf(bio_err, "unable to write pkcs7 object\n"); 294 ERR_print_errors(bio_err); 295 goto end; 296 } 297 } 298 ret = 0; 299 end: 300 if (p7 != NULL) 301 PKCS7_free(p7); 302 if (in != NULL) 303 BIO_free(in); 304 if (out != NULL) 305 BIO_free_all(out); 306 apps_shutdown(); 307 OPENSSL_EXIT(ret); 308 } 309