Annotation of src/usr.bin/openssl/pkcs7.c, Revision 1.1
1.1 ! jsing 1: /* $OpenBSD: pkcs7.c,v 1.21 2014/07/14 00:35:10 deraadt Exp $ */
! 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:
! 64: #include "apps.h"
! 65:
! 66: #include <openssl/err.h>
! 67: #include <openssl/evp.h>
! 68: #include <openssl/objects.h>
! 69: #include <openssl/pem.h>
! 70: #include <openssl/pkcs7.h>
! 71: #include <openssl/x509.h>
! 72:
! 73: /* -inform arg - input format - default PEM (DER or PEM)
! 74: * -outform arg - output format - default PEM
! 75: * -in arg - input file - default stdin
! 76: * -out arg - output file - default stdout
! 77: * -print_certs
! 78: */
! 79:
! 80: int pkcs7_main(int, char **);
! 81:
! 82: int
! 83: pkcs7_main(int argc, char **argv)
! 84: {
! 85: PKCS7 *p7 = NULL;
! 86: int i, badops = 0;
! 87: BIO *in = NULL, *out = NULL;
! 88: int informat, outformat;
! 89: char *infile, *outfile, *prog;
! 90: int print_certs = 0, text = 0, noout = 0, p7_print = 0;
! 91: int ret = 1;
! 92: #ifndef OPENSSL_NO_ENGINE
! 93: char *engine = NULL;
! 94: #endif
! 95:
! 96: infile = NULL;
! 97: outfile = NULL;
! 98: informat = FORMAT_PEM;
! 99: outformat = FORMAT_PEM;
! 100:
! 101: prog = argv[0];
! 102: argc--;
! 103: argv++;
! 104: while (argc >= 1) {
! 105: if (strcmp(*argv, "-inform") == 0) {
! 106: if (--argc < 1)
! 107: goto bad;
! 108: informat = str2fmt(*(++argv));
! 109: } else if (strcmp(*argv, "-outform") == 0) {
! 110: if (--argc < 1)
! 111: goto bad;
! 112: outformat = str2fmt(*(++argv));
! 113: } else if (strcmp(*argv, "-in") == 0) {
! 114: if (--argc < 1)
! 115: goto bad;
! 116: infile = *(++argv);
! 117: } else if (strcmp(*argv, "-out") == 0) {
! 118: if (--argc < 1)
! 119: goto bad;
! 120: outfile = *(++argv);
! 121: } else if (strcmp(*argv, "-noout") == 0)
! 122: noout = 1;
! 123: else if (strcmp(*argv, "-text") == 0)
! 124: text = 1;
! 125: else if (strcmp(*argv, "-print") == 0)
! 126: p7_print = 1;
! 127: else if (strcmp(*argv, "-print_certs") == 0)
! 128: print_certs = 1;
! 129: #ifndef OPENSSL_NO_ENGINE
! 130: else if (strcmp(*argv, "-engine") == 0) {
! 131: if (--argc < 1)
! 132: goto bad;
! 133: engine = *(++argv);
! 134: }
! 135: #endif
! 136: else {
! 137: BIO_printf(bio_err, "unknown option %s\n", *argv);
! 138: badops = 1;
! 139: break;
! 140: }
! 141: argc--;
! 142: argv++;
! 143: }
! 144:
! 145: if (badops) {
! 146: bad:
! 147: BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
! 148: BIO_printf(bio_err, "where options are\n");
! 149: BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
! 150: BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
! 151: BIO_printf(bio_err, " -in arg input file\n");
! 152: BIO_printf(bio_err, " -out arg output file\n");
! 153: BIO_printf(bio_err, " -print_certs print any certs or crl in the input\n");
! 154: BIO_printf(bio_err, " -text print full details of certificates\n");
! 155: BIO_printf(bio_err, " -noout don't output encoded data\n");
! 156: #ifndef OPENSSL_NO_ENGINE
! 157: BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n");
! 158: #endif
! 159: ret = 1;
! 160: goto end;
! 161: }
! 162: ERR_load_crypto_strings();
! 163:
! 164: #ifndef OPENSSL_NO_ENGINE
! 165: setup_engine(bio_err, engine, 0);
! 166: #endif
! 167:
! 168: in = BIO_new(BIO_s_file());
! 169: out = BIO_new(BIO_s_file());
! 170: if ((in == NULL) || (out == NULL)) {
! 171: ERR_print_errors(bio_err);
! 172: goto end;
! 173: }
! 174: if (infile == NULL)
! 175: BIO_set_fp(in, stdin, BIO_NOCLOSE);
! 176: else {
! 177: if (BIO_read_filename(in, infile) <= 0)
! 178: if (in == NULL) {
! 179: perror(infile);
! 180: goto end;
! 181: }
! 182: }
! 183:
! 184: if (informat == FORMAT_ASN1)
! 185: p7 = d2i_PKCS7_bio(in, NULL);
! 186: else if (informat == FORMAT_PEM)
! 187: p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
! 188: else {
! 189: BIO_printf(bio_err, "bad input format specified for pkcs7 object\n");
! 190: goto end;
! 191: }
! 192: if (p7 == NULL) {
! 193: BIO_printf(bio_err, "unable to load PKCS7 object\n");
! 194: ERR_print_errors(bio_err);
! 195: goto end;
! 196: }
! 197: if (outfile == NULL) {
! 198: BIO_set_fp(out, stdout, BIO_NOCLOSE);
! 199: } else {
! 200: if (BIO_write_filename(out, outfile) <= 0) {
! 201: perror(outfile);
! 202: goto end;
! 203: }
! 204: }
! 205:
! 206: if (p7_print)
! 207: PKCS7_print_ctx(out, p7, 0, NULL);
! 208:
! 209: if (print_certs) {
! 210: STACK_OF(X509) * certs = NULL;
! 211: STACK_OF(X509_CRL) * crls = NULL;
! 212:
! 213: i = OBJ_obj2nid(p7->type);
! 214: switch (i) {
! 215: case NID_pkcs7_signed:
! 216: certs = p7->d.sign->cert;
! 217: crls = p7->d.sign->crl;
! 218: break;
! 219: case NID_pkcs7_signedAndEnveloped:
! 220: certs = p7->d.signed_and_enveloped->cert;
! 221: crls = p7->d.signed_and_enveloped->crl;
! 222: break;
! 223: default:
! 224: break;
! 225: }
! 226:
! 227: if (certs != NULL) {
! 228: X509 *x;
! 229:
! 230: for (i = 0; i < sk_X509_num(certs); i++) {
! 231: x = sk_X509_value(certs, i);
! 232: if (text)
! 233: X509_print(out, x);
! 234: else
! 235: dump_cert_text(out, x);
! 236:
! 237: if (!noout)
! 238: PEM_write_bio_X509(out, x);
! 239: BIO_puts(out, "\n");
! 240: }
! 241: }
! 242: if (crls != NULL) {
! 243: X509_CRL *crl;
! 244:
! 245: for (i = 0; i < sk_X509_CRL_num(crls); i++) {
! 246: crl = sk_X509_CRL_value(crls, i);
! 247:
! 248: X509_CRL_print(out, crl);
! 249:
! 250: if (!noout)
! 251: PEM_write_bio_X509_CRL(out, crl);
! 252: BIO_puts(out, "\n");
! 253: }
! 254: }
! 255: ret = 0;
! 256: goto end;
! 257: }
! 258: if (!noout) {
! 259: if (outformat == FORMAT_ASN1)
! 260: i = i2d_PKCS7_bio(out, p7);
! 261: else if (outformat == FORMAT_PEM)
! 262: i = PEM_write_bio_PKCS7(out, p7);
! 263: else {
! 264: BIO_printf(bio_err, "bad output format specified for outfile\n");
! 265: goto end;
! 266: }
! 267:
! 268: if (!i) {
! 269: BIO_printf(bio_err, "unable to write pkcs7 object\n");
! 270: ERR_print_errors(bio_err);
! 271: goto end;
! 272: }
! 273: }
! 274: ret = 0;
! 275: end:
! 276: if (p7 != NULL)
! 277: PKCS7_free(p7);
! 278: if (in != NULL)
! 279: BIO_free(in);
! 280: if (out != NULL)
! 281: BIO_free_all(out);
! 282:
! 283: return (ret);
! 284: }
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