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 /* -inform arg - input format - default PEM (one of DER, TXT or PEM) 75 * -outform arg - output format - default PEM 76 * -in arg - input file - default stdin 77 * -out arg - output file - default stdout 78 * -des - encrypt output if PEM format with DES in cbc mode 79 * -des3 - encrypt output if PEM format 80 * -idea - encrypt output if PEM format 81 * -print_certs 82 */ 83 84 int MAIN(int argc, char **argv) 85 { 86 PKCS7 *p7=NULL; 87 int i,badops=0; 88 #if !defined(NO_DES) || !defined(NO_IDEA) 89 EVP_CIPHER *enc=NULL; 90 #endif 91 BIO *in=NULL,*out=NULL; 92 int informat,outformat; 93 char *infile,*outfile,*prog,buf[256]; 94 int print_certs=0; 95 int ret=0; 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 infile=NULL; 104 outfile=NULL; 105 informat=FORMAT_PEM; 106 outformat=FORMAT_PEM; 107 108 prog=argv[0]; 109 argc--; 110 argv++; 111 while (argc >= 1) 112 { 113 if (strcmp(*argv,"-inform") == 0) 114 { 115 if (--argc < 1) goto bad; 116 informat=str2fmt(*(++argv)); 117 } 118 else if (strcmp(*argv,"-outform") == 0) 119 { 120 if (--argc < 1) goto bad; 121 outformat=str2fmt(*(++argv)); 122 } 123 else if (strcmp(*argv,"-in") == 0) 124 { 125 if (--argc < 1) goto bad; 126 infile= *(++argv); 127 } 128 else if (strcmp(*argv,"-out") == 0) 129 { 130 if (--argc < 1) goto bad; 131 outfile= *(++argv); 132 } 133 else if (strcmp(*argv,"-print_certs") == 0) 134 print_certs=1; 135 #ifndef NO_DES 136 else if (strcmp(*argv,"-des") == 0) 137 enc=EVP_des_cbc(); 138 else if (strcmp(*argv,"-des3") == 0) 139 enc=EVP_des_ede3_cbc(); 140 #endif 141 #ifndef NO_IDEA 142 else if (strcmp(*argv,"-idea") == 0) 143 enc=EVP_idea_cbc(); 144 #endif 145 else 146 { 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 { 157 bad: 158 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 159 BIO_printf(bio_err,"where options are\n"); 160 BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n"); 161 BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n"); 162 BIO_printf(bio_err," -in arg input file\n"); 163 BIO_printf(bio_err," -out arg output file\n"); 164 BIO_printf(bio_err," -print_certs print any certs or crl in the input\n"); 165 BIO_printf(bio_err," -des encrypt PEM output with cbc des\n"); 166 BIO_printf(bio_err," -des3 encrypt PEM output with ede cbc des using 168 bit key\n"); 167 #ifndef NO_IDEA 168 BIO_printf(bio_err," -idea encrypt PEM output with cbc idea\n"); 169 #endif 170 EXIT(1); 171 } 172 173 ERR_load_crypto_strings(); 174 175 in=BIO_new(BIO_s_file()); 176 out=BIO_new(BIO_s_file()); 177 if ((in == NULL) || (out == NULL)) 178 { 179 ERR_print_errors(bio_err); 180 goto end; 181 } 182 183 if (infile == NULL) 184 BIO_set_fp(in,stdin,BIO_NOCLOSE); 185 else 186 { 187 if (BIO_read_filename(in,infile) <= 0) 188 if (in == NULL) 189 { 190 perror(infile); 191 goto end; 192 } 193 } 194 195 if (informat == FORMAT_ASN1) 196 p7=d2i_PKCS7_bio(in,NULL); 197 else if (informat == FORMAT_PEM) 198 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL); 199 else 200 { 201 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n"); 202 goto end; 203 } 204 if (p7 == NULL) 205 { 206 BIO_printf(bio_err,"unable to load PKCS7 object\n"); 207 ERR_print_errors(bio_err); 208 goto end; 209 } 210 211 if (outfile == NULL) 212 BIO_set_fp(out,stdout,BIO_NOCLOSE); 213 else 214 { 215 if (BIO_write_filename(out,outfile) <= 0) 216 { 217 perror(outfile); 218 goto end; 219 } 220 } 221 222 if (print_certs) 223 { 224 STACK_OF(X509) *certs=NULL; 225 STACK_OF(X509_CRL) *crls=NULL; 226 227 i=OBJ_obj2nid(p7->type); 228 switch (i) 229 { 230 case NID_pkcs7_signed: 231 certs=p7->d.sign->cert; 232 crls=p7->d.sign->crl; 233 break; 234 case NID_pkcs7_signedAndEnveloped: 235 certs=p7->d.signed_and_enveloped->cert; 236 crls=p7->d.signed_and_enveloped->crl; 237 break; 238 default: 239 break; 240 } 241 242 if (certs != NULL) 243 { 244 X509 *x; 245 246 for (i=0; i<sk_X509_num(certs); i++) 247 { 248 x=sk_X509_value(certs,i); 249 250 X509_NAME_oneline(X509_get_subject_name(x), 251 buf,256); 252 BIO_puts(out,"subject="); 253 BIO_puts(out,buf); 254 255 X509_NAME_oneline(X509_get_issuer_name(x), 256 buf,256); 257 BIO_puts(out,"\nissuer= "); 258 BIO_puts(out,buf); 259 BIO_puts(out,"\n"); 260 261 PEM_write_bio_X509(out,x); 262 BIO_puts(out,"\n"); 263 } 264 } 265 if (crls != NULL) 266 { 267 X509_CRL *crl; 268 269 for (i=0; i<sk_X509_CRL_num(crls); i++) 270 { 271 crl=sk_X509_CRL_value(crls,i); 272 273 X509_NAME_oneline(crl->crl->issuer,buf,256); 274 BIO_puts(out,"issuer= "); 275 BIO_puts(out,buf); 276 277 BIO_puts(out,"\nlast update="); 278 ASN1_TIME_print(out,crl->crl->lastUpdate); 279 BIO_puts(out,"\nnext update="); 280 ASN1_TIME_print(out,crl->crl->nextUpdate); 281 BIO_puts(out,"\n"); 282 283 PEM_write_bio_X509_CRL(out,crl); 284 BIO_puts(out,"\n"); 285 } 286 } 287 288 ret=0; 289 goto end; 290 } 291 292 if (outformat == FORMAT_ASN1) 293 i=i2d_PKCS7_bio(out,p7); 294 else if (outformat == FORMAT_PEM) 295 i=PEM_write_bio_PKCS7(out,p7); 296 else { 297 BIO_printf(bio_err,"bad output format specified for outfile\n"); 298 goto end; 299 } 300 301 if (!i) 302 { 303 BIO_printf(bio_err,"unable to write pkcs7 object\n"); 304 ERR_print_errors(bio_err); 305 goto end; 306 } 307 ret=0; 308 end: 309 if (p7 != NULL) PKCS7_free(p7); 310 if (in != NULL) BIO_free(in); 311 if (out != NULL) BIO_free(out); 312 EXIT(ret); 313 } 314